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sdr-wideband-suite
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Wideband autonomous SDR analysis engine forked from sdr-visual-suite
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sdr-wideband-suite/internal/config/config.go

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Originale Blame Cronologia 

  1. package config

  2. 

  3. import (

  4. 	"math"

  5. 	"os"

  6. 	"strings"

  7. 	"time"

  8. 

  9. 	"gopkg.in/yaml.v3"

  10. )

  11. 

  12. type Band struct {

  13. 	Name    string  `yaml:"name" json:"name"`

  14. 	StartHz float64 `yaml:"start_hz" json:"start_hz"`

  15. 	EndHz   float64 `yaml:"end_hz" json:"end_hz"`

  16. }

  17. 

  18. type MonitorWindow struct {

  19. 	Label      string  `yaml:"label" json:"label"`

  20. 	StartHz    float64 `yaml:"start_hz" json:"start_hz"`

  21. 	EndHz      float64 `yaml:"end_hz" json:"end_hz"`

  22. 	CenterHz   float64 `yaml:"center_hz" json:"center_hz"`

  23. 	SpanHz     float64 `yaml:"span_hz" json:"span_hz"`

  24. 	Priority   float64 `yaml:"priority" json:"priority"`

  25. 	AutoRecord bool    `yaml:"auto_record" json:"auto_record"`

  26. 	AutoDecode bool    `yaml:"auto_decode" json:"auto_decode"`

  27. }

  28. 

  29. type DetectorConfig struct {

  30. 	ThresholdDb      float64 `yaml:"threshold_db" json:"threshold_db"`

  31. 	MinDurationMs    int     `yaml:"min_duration_ms" json:"min_duration_ms"`

  32. 	HoldMs           int     `yaml:"hold_ms" json:"hold_ms"`

  33. 	EmaAlpha         float64 `yaml:"ema_alpha" json:"ema_alpha"`

  34. 	HysteresisDb     float64 `yaml:"hysteresis_db" json:"hysteresis_db"`

  35. 	MinStableFrames  int     `yaml:"min_stable_frames" json:"min_stable_frames"`

  36. 	GapToleranceMs   int     `yaml:"gap_tolerance_ms" json:"gap_tolerance_ms"`

  37. 	CFARMode         string  `yaml:"cfar_mode" json:"cfar_mode"`

  38. 	CFARGuardHz      float64 `yaml:"cfar_guard_hz" json:"cfar_guard_hz"`

  39. 	CFARTrainHz      float64 `yaml:"cfar_train_hz" json:"cfar_train_hz"`

  40. 	CFARGuardCells   int     `yaml:"cfar_guard_cells,omitempty" json:"cfar_guard_cells,omitempty"`

  41. 	CFARTrainCells   int     `yaml:"cfar_train_cells,omitempty" json:"cfar_train_cells,omitempty"`

  42. 	CFARRank         int     `yaml:"cfar_rank" json:"cfar_rank"`

  43. 	CFARScaleDb      float64 `yaml:"cfar_scale_db" json:"cfar_scale_db"`

  44. 	CFARWrapAround   bool    `yaml:"cfar_wrap_around" json:"cfar_wrap_around"`

  45. 	EdgeMarginDb     float64 `yaml:"edge_margin_db" json:"edge_margin_db"`

  46. 	MaxSignalBwHz    float64 `yaml:"max_signal_bw_hz" json:"max_signal_bw_hz"`

  47. 	MergeGapHz       float64 `yaml:"merge_gap_hz" json:"merge_gap_hz"`

  48. 	ClassHistorySize int     `yaml:"class_history_size" json:"class_history_size"`

  49. 	ClassSwitchRatio float64 `yaml:"class_switch_ratio" json:"class_switch_ratio"`

  50. 

  51. 	// Deprecated (backward compatibility)

  52. 	CFAREnabled *bool `yaml:"cfar_enabled,omitempty" json:"cfar_enabled,omitempty"`

  53. }

  54. 

  55. type RecorderConfig struct {

  56. 	Enabled     bool     `yaml:"enabled" json:"enabled"`

  57. 	MinSNRDb    float64  `yaml:"min_snr_db" json:"min_snr_db"`

  58. 	MinDuration string   `yaml:"min_duration" json:"min_duration"`

  59. 	MaxDuration string   `yaml:"max_duration" json:"max_duration"`

  60. 	PrerollMs   int      `yaml:"preroll_ms" json:"preroll_ms"`

  61. 	RecordIQ    bool     `yaml:"record_iq" json:"record_iq"`

  62. 	RecordAudio bool     `yaml:"record_audio" json:"record_audio"`

  63. 	AutoDemod   bool     `yaml:"auto_demod" json:"auto_demod"`

  64. 	AutoDecode  bool     `yaml:"auto_decode" json:"auto_decode"`

  65. 	MaxDiskMB   int      `yaml:"max_disk_mb" json:"max_disk_mb"`

  66. 	OutputDir   string   `yaml:"output_dir" json:"output_dir"`

  67. 	ClassFilter []string `yaml:"class_filter" json:"class_filter"`

  68. 	RingSeconds int      `yaml:"ring_seconds" json:"ring_seconds"`

  69. 

  70. 	// Audio quality settings (AQ-2, AQ-3, AQ-5)

  71. 	DeemphasisUs     float64 `yaml:"deemphasis_us" json:"deemphasis_us"`             // De-emphasis time constant in µs. 50=Europe, 75=US/Japan, 0=disabled. Default: 50

  72. 	ExtractionTaps   int     `yaml:"extraction_fir_taps" json:"extraction_fir_taps"` // FIR tap count for extraction filter. Default: 101, max 301

  73. 	ExtractionBwMult float64 `yaml:"extraction_bw_mult" json:"extraction_bw_mult"`   // BW multiplier for extraction. Default: 1.2 (20% wider than detected)

  74. }

  75. 

  76. type DecoderConfig struct {

  77. 	FT8Cmd   string `yaml:"ft8_cmd" json:"ft8_cmd"`

  78. 	WSPRCmd  string `yaml:"wspr_cmd" json:"wspr_cmd"`

  79. 	DMRCmd   string `yaml:"dmr_cmd" json:"dmr_cmd"`

  80. 	DStarCmd string `yaml:"dstar_cmd" json:"dstar_cmd"`

  81. 	FSKCmd   string `yaml:"fsk_cmd" json:"fsk_cmd"`

  82. 	PSKCmd   string `yaml:"psk_cmd" json:"psk_cmd"`

  83. }

  84. 

  85. type PipelineGoalConfig struct {

  86. 	Intent            string          `yaml:"intent" json:"intent"`

  87. 	MonitorStartHz    float64         `yaml:"monitor_start_hz" json:"monitor_start_hz"`

  88. 	MonitorEndHz      float64         `yaml:"monitor_end_hz" json:"monitor_end_hz"`

  89. 	MonitorSpanHz     float64         `yaml:"monitor_span_hz" json:"monitor_span_hz"`

  90. 	MonitorWindows    []MonitorWindow `yaml:"monitor_windows" json:"monitor_windows"`

  91. 	SignalPriorities  []string        `yaml:"signal_priorities" json:"signal_priorities"`

  92. 	AutoRecordClasses []string        `yaml:"auto_record_classes" json:"auto_record_classes"`

  93. 	AutoDecodeClasses []string        `yaml:"auto_decode_classes" json:"auto_decode_classes"`

  94. }

  95. 

  96. type PipelineConfig struct {

  97. 	Mode    string             `yaml:"mode" json:"mode"`

  98. 	Profile string             `yaml:"profile,omitempty" json:"profile,omitempty"`

  99. 	Goals   PipelineGoalConfig `yaml:"goals" json:"goals"`

  100. }

  101. 

  102. type SurveillanceConfig struct {

  103. 	AnalysisFFTSize  int    `yaml:"analysis_fft_size" json:"analysis_fft_size"`

  104. 	FrameRate        int    `yaml:"frame_rate" json:"frame_rate"`

  105. 	Strategy         string `yaml:"strategy" json:"strategy"`

  106. 	DisplayBins      int    `yaml:"display_bins" json:"display_bins"`

  107. 	DisplayFPS       int    `yaml:"display_fps" json:"display_fps"`

  108. 	DerivedDetection string `yaml:"derived_detection" json:"derived_detection"`

  109. }

  110. 

  111. type RefinementConfig struct {

  112. 	Enabled           bool    `yaml:"enabled" json:"enabled"`

  113. 	MaxConcurrent     int     `yaml:"max_concurrent" json:"max_concurrent"`

  114. 	DetailFFTSize     int     `yaml:"detail_fft_size" json:"detail_fft_size"`

  115. 	MinCandidateSNRDb float64 `yaml:"min_candidate_snr_db" json:"min_candidate_snr_db"`

  116. 	MinSpanHz         float64 `yaml:"min_span_hz" json:"min_span_hz"`

  117. 	MaxSpanHz         float64 `yaml:"max_span_hz" json:"max_span_hz"`

  118. 	AutoSpan          *bool   `yaml:"auto_span" json:"auto_span"`

  119. }

  120. 

  121. type ResourceConfig struct {

  122. 	PreferGPU           bool `yaml:"prefer_gpu" json:"prefer_gpu"`

  123. 	MaxRefinementJobs   int  `yaml:"max_refinement_jobs" json:"max_refinement_jobs"`

  124. 	MaxRecordingStreams int  `yaml:"max_recording_streams" json:"max_recording_streams"`

  125. 	MaxDecodeJobs       int  `yaml:"max_decode_jobs" json:"max_decode_jobs"`

  126. 	DecisionHoldMs      int  `yaml:"decision_hold_ms" json:"decision_hold_ms"`

  127. }

  128. 

  129. type ProfileConfig struct {

  130. 	Name         string              `yaml:"name" json:"name"`

  131. 	Description  string              `yaml:"description" json:"description"`

  132. 	Pipeline     *PipelineConfig     `yaml:"pipeline,omitempty" json:"pipeline,omitempty"`

  133. 	Surveillance *SurveillanceConfig `yaml:"surveillance,omitempty" json:"surveillance,omitempty"`

  134. 	Refinement   *RefinementConfig   `yaml:"refinement,omitempty" json:"refinement,omitempty"`

  135. 	Resources    *ResourceConfig     `yaml:"resources,omitempty" json:"resources,omitempty"`

  136. }

  137. 

  138. type Config struct {

  139. 	Bands          []Band             `yaml:"bands" json:"bands"`

  140. 	CenterHz       float64            `yaml:"center_hz" json:"center_hz"`

  141. 	SampleRate     int                `yaml:"sample_rate" json:"sample_rate"`

  142. 	FFTSize        int                `yaml:"fft_size" json:"fft_size"`

  143. 	GainDb         float64            `yaml:"gain_db" json:"gain_db"`

  144. 	TunerBwKHz     int                `yaml:"tuner_bw_khz" json:"tuner_bw_khz"`

  145. 	UseGPUFFT      bool               `yaml:"use_gpu_fft" json:"use_gpu_fft"`

  146. 	ClassifierMode string             `yaml:"classifier_mode" json:"classifier_mode"`

  147. 	AGC            bool               `yaml:"agc" json:"agc"`

  148. 	DCBlock        bool               `yaml:"dc_block" json:"dc_block"`

  149. 	IQBalance      bool               `yaml:"iq_balance" json:"iq_balance"`

  150. 	Pipeline       PipelineConfig     `yaml:"pipeline" json:"pipeline"`

  151. 	Surveillance   SurveillanceConfig `yaml:"surveillance" json:"surveillance"`

  152. 	Refinement     RefinementConfig   `yaml:"refinement" json:"refinement"`

  153. 	Resources      ResourceConfig     `yaml:"resources" json:"resources"`

  154. 	Profiles       []ProfileConfig    `yaml:"profiles" json:"profiles"`

  155. 	Detector       DetectorConfig     `yaml:"detector" json:"detector"`

  156. 	Recorder       RecorderConfig     `yaml:"recorder" json:"recorder"`

  157. 	Decoder        DecoderConfig      `yaml:"decoder" json:"decoder"`

  158. 	WebAddr        string             `yaml:"web_addr" json:"web_addr"`

  159. 	EventPath      string             `yaml:"event_path" json:"event_path"`

  160. 	FrameRate      int                `yaml:"frame_rate" json:"frame_rate"`

  161. 	WaterfallLines int                `yaml:"waterfall_lines" json:"waterfall_lines"`

  162. 	WebRoot        string             `yaml:"web_root" json:"web_root"`

  163. }

  164. 

  165. func Default() Config {

  166. 	return Config{

  167. 		Bands: []Band{

  168. 			{Name: "example", StartHz: 99.5e6, EndHz: 100.5e6},

  169. 		},

  170. 		CenterHz:       100.0e6,

  171. 		SampleRate:     2_048_000,

  172. 		FFTSize:        2048,

  173. 		GainDb:         30,

  174. 		TunerBwKHz:     1536,

  175. 		UseGPUFFT:      false,

  176. 		ClassifierMode: "combined",

  177. 		AGC:            false,

  178. 		DCBlock:        false,

  179. 		IQBalance:      false,

  180. 		Pipeline: PipelineConfig{

  181. 			Mode: "legacy",

  182. 			Goals: PipelineGoalConfig{

  183. 				Intent: "general-monitoring",

  184. 			},

  185. 		},

  186. 		Surveillance: SurveillanceConfig{

  187. 			AnalysisFFTSize:  2048,

  188. 			FrameRate:        15,

  189. 			Strategy:         "single-resolution",

  190. 			DisplayBins:      2048,

  191. 			DisplayFPS:       15,

  192. 			DerivedDetection: "auto",

  193. 		},

  194. 		Refinement: RefinementConfig{

  195. 			Enabled:           true,

  196. 			MaxConcurrent:     8,

  197. 			DetailFFTSize:     0,

  198. 			MinCandidateSNRDb: 0,

  199. 			MinSpanHz:         0,

  200. 			MaxSpanHz:         0,

  201. 			AutoSpan:          boolPtr(true),

  202. 		},

  203. 		Resources: ResourceConfig{

  204. 			PreferGPU:           true,

  205. 			MaxRefinementJobs:   8,

  206. 			MaxRecordingStreams: 16,

  207. 			MaxDecodeJobs:       16,

  208. 			DecisionHoldMs:      2000,

  209. 		},

  210. 		Profiles: []ProfileConfig{

  211. 			{

  212. 				Name:        "legacy",

  213. 				Description: "Current single-band pipeline behavior",

  214. 				Pipeline:    &PipelineConfig{Mode: "legacy", Profile: "legacy", Goals: PipelineGoalConfig{Intent: "general-monitoring"}},

  215. 				Surveillance: &SurveillanceConfig{

  216. 					AnalysisFFTSize:  2048,

  217. 					FrameRate:        15,

  218. 					Strategy:         "single-resolution",

  219. 					DisplayBins:      2048,

  220. 					DisplayFPS:       15,

  221. 					DerivedDetection: "auto",

  222. 				},

  223. 				Refinement: &RefinementConfig{

  224. 					Enabled:           true,

  225. 					MaxConcurrent:     8,

  226. 					DetailFFTSize:     0,

  227. 					MinCandidateSNRDb: 0,

  228. 					MinSpanHz:         0,

  229. 					MaxSpanHz:         0,

  230. 					AutoSpan:          boolPtr(true),

  231. 				},

  232. 				Resources: &ResourceConfig{

  233. 					PreferGPU:           false,

  234. 					MaxRefinementJobs:   8,

  235. 					MaxRecordingStreams: 16,

  236. 					MaxDecodeJobs:       16,

  237. 					DecisionHoldMs:      2000,

  238. 				},

  239. 			},

  240. 			{

  241. 				Name:        "wideband-balanced",

  242. 				Description: "Baseline multi-resolution wideband surveillance",

  243. 				Pipeline: &PipelineConfig{Mode: "wideband-balanced", Profile: "wideband-balanced", Goals: PipelineGoalConfig{

  244. 					Intent:           "wideband-surveillance",

  245. 					SignalPriorities: []string{"digital", "wfm"},

  246. 				}},

  247. 				Surveillance: &SurveillanceConfig{

  248. 					AnalysisFFTSize:  4096,

  249. 					FrameRate:        12,

  250. 					Strategy:         "multi-resolution",

  251. 					DisplayBins:      2048,

  252. 					DisplayFPS:       12,

  253. 					DerivedDetection: "auto",

  254. 				},

  255. 				Refinement: &RefinementConfig{

  256. 					Enabled:           true,

  257. 					MaxConcurrent:     16,

  258. 					DetailFFTSize:     0,

  259. 					MinCandidateSNRDb: 0,

  260. 					MinSpanHz:         4000,

  261. 					MaxSpanHz:         200000,

  262. 					AutoSpan:          boolPtr(true),

  263. 				},

  264. 				Resources: &ResourceConfig{

  265. 					PreferGPU:           true,

  266. 					MaxRefinementJobs:   16,

  267. 					MaxRecordingStreams: 16,

  268. 					MaxDecodeJobs:       12,

  269. 					DecisionHoldMs:      2000,

  270. 				},

  271. 			},

  272. 			{

  273. 				Name:        "wideband-aggressive",

  274. 				Description: "Higher surveillance/refinement budgets for dense wideband monitoring",

  275. 				Pipeline: &PipelineConfig{Mode: "wideband-aggressive", Profile: "wideband-aggressive", Goals: PipelineGoalConfig{

  276. 					Intent:           "high-density-wideband-surveillance",

  277. 					SignalPriorities: []string{"digital", "wfm", "trunk"},

  278. 				}},

  279. 				Surveillance: &SurveillanceConfig{

  280. 					AnalysisFFTSize:  8192,

  281. 					FrameRate:        10,

  282. 					Strategy:         "multi-resolution",

  283. 					DisplayBins:      4096,

  284. 					DisplayFPS:       10,

  285. 					DerivedDetection: "auto",

  286. 				},

  287. 				Refinement: &RefinementConfig{

  288. 					Enabled:           true,

  289. 					MaxConcurrent:     32,

  290. 					DetailFFTSize:     0,

  291. 					MinCandidateSNRDb: 0,

  292. 					MinSpanHz:         6000,

  293. 					MaxSpanHz:         250000,

  294. 					AutoSpan:          boolPtr(true),

  295. 				},

  296. 				Resources: &ResourceConfig{

  297. 					PreferGPU:           true,

  298. 					MaxRefinementJobs:   32,

  299. 					MaxRecordingStreams: 24,

  300. 					MaxDecodeJobs:       16,

  301. 					DecisionHoldMs:      2000,

  302. 				},

  303. 			},

  304. 			{

  305. 				Name:        "archive",

  306. 				Description: "Record-first monitoring profile",

  307. 				Pipeline: &PipelineConfig{Mode: "archive", Profile: "archive", Goals: PipelineGoalConfig{

  308. 					Intent:           "archive-and-triage",

  309. 					SignalPriorities: []string{"wfm", "nfm", "digital"},

  310. 				}},

  311. 				Surveillance: &SurveillanceConfig{

  312. 					AnalysisFFTSize:  4096,

  313. 					FrameRate:        12,

  314. 					Strategy:         "single-resolution",

  315. 					DisplayBins:      2048,

  316. 					DisplayFPS:       12,

  317. 					DerivedDetection: "auto",

  318. 				},

  319. 				Refinement: &RefinementConfig{

  320. 					Enabled:           true,

  321. 					MaxConcurrent:     12,

  322. 					DetailFFTSize:     0,

  323. 					MinCandidateSNRDb: 0,

  324. 					MinSpanHz:         4000,

  325. 					MaxSpanHz:         200000,

  326. 					AutoSpan:          boolPtr(true),

  327. 				},

  328. 				Resources: &ResourceConfig{

  329. 					PreferGPU:           true,

  330. 					MaxRefinementJobs:   12,

  331. 					MaxRecordingStreams: 24,

  332. 					MaxDecodeJobs:       12,

  333. 					DecisionHoldMs:      2500,

  334. 				},

  335. 			},

  336. 			{

  337. 				Name:        "digital-hunting",

  338. 				Description: "Digital-first refinement and decode focus",

  339. 				Pipeline: &PipelineConfig{Mode: "digital-hunting", Profile: "digital-hunting", Goals: PipelineGoalConfig{

  340. 					Intent:           "digital-surveillance",

  341. 					SignalPriorities: []string{"ft8", "wspr", "fsk", "psk", "dmr"},

  342. 				}},

  343. 				Surveillance: &SurveillanceConfig{

  344. 					AnalysisFFTSize:  4096,

  345. 					FrameRate:        12,

  346. 					Strategy:         "multi-resolution",

  347. 					DisplayBins:      2048,

  348. 					DisplayFPS:       12,

  349. 					DerivedDetection: "auto",

  350. 				},

  351. 				Refinement: &RefinementConfig{

  352. 					Enabled:           true,

  353. 					MaxConcurrent:     16,

  354. 					DetailFFTSize:     0,

  355. 					MinCandidateSNRDb: 0,

  356. 					MinSpanHz:         3000,

  357. 					MaxSpanHz:         120000,

  358. 					AutoSpan:          boolPtr(true),

  359. 				},

  360. 				Resources: &ResourceConfig{

  361. 					PreferGPU:           true,

  362. 					MaxRefinementJobs:   16,

  363. 					MaxRecordingStreams: 12,

  364. 					MaxDecodeJobs:       16,

  365. 					DecisionHoldMs:      2000,

  366. 				},

  367. 			},

  368. 		},

  369. 		Detector: DetectorConfig{

  370. 			ThresholdDb:      -20,

  371. 			MinDurationMs:    250,

  372. 			HoldMs:           500,

  373. 			EmaAlpha:         0.2,

  374. 			HysteresisDb:     3,

  375. 			MinStableFrames:  3,

  376. 			GapToleranceMs:   500,

  377. 			CFARMode:         "GOSCA",

  378. 			CFARGuardHz:      500,

  379. 			CFARTrainHz:      5000,

  380. 			CFARGuardCells:   3,

  381. 			CFARTrainCells:   24,

  382. 			CFARRank:         36,

  383. 			CFARScaleDb:      6,

  384. 			CFARWrapAround:   true,

  385. 			EdgeMarginDb:     3.0,

  386. 			MaxSignalBwHz:    150000,

  387. 			MergeGapHz:       5000,

  388. 			ClassHistorySize: 10,

  389. 			ClassSwitchRatio: 0.6,

  390. 		},

  391. 		Recorder: RecorderConfig{

  392. 			Enabled:          false,

  393. 			MinSNRDb:         10,

  394. 			MinDuration:      "1s",

  395. 			MaxDuration:      "300s",

  396. 			PrerollMs:        500,

  397. 			RecordIQ:         true,

  398. 			RecordAudio:      false,

  399. 			AutoDemod:        true,

  400. 			AutoDecode:       false,

  401. 			MaxDiskMB:        0,

  402. 			OutputDir:        "data/recordings",

  403. 			RingSeconds:      8,

  404. 			DeemphasisUs:     50,

  405. 			ExtractionTaps:   101,

  406. 			ExtractionBwMult: 1.2,

  407. 		},

  408. 		Decoder:        DecoderConfig{},

  409. 		WebAddr:        ":8080",

  410. 		EventPath:      "data/events.jsonl",

  411. 		FrameRate:      15,

  412. 		WaterfallLines: 200,

  413. 		WebRoot:        "web",

  414. 	}

  415. }

  416. 

  417. func Load(path string) (Config, error) {

  418. 	cfg := Default()

  419. 	if b, err := os.ReadFile(autosavePath(path)); err == nil {

  420. 		if err := yaml.Unmarshal(b, &cfg); err == nil {

  421. 			return applyDefaults(cfg), nil

  422. 		}

  423. 	}

  424. 	b, err := os.ReadFile(path)

  425. 	if err != nil {

  426. 		return cfg, err

  427. 	}

  428. 	if err := yaml.Unmarshal(b, &cfg); err != nil {

  429. 		return cfg, err

  430. 	}

  431. 	return applyDefaults(cfg), nil

  432. }

  433. 

  434. func applyDefaults(cfg Config) Config {

  435. 	if cfg.Detector.MinDurationMs <= 0 {

  436. 		cfg.Detector.MinDurationMs = 250

  437. 	}

  438. 	if cfg.Detector.HoldMs <= 0 {

  439. 		cfg.Detector.HoldMs = 500

  440. 	}

  441. 	if cfg.Detector.MinStableFrames <= 0 {

  442. 		cfg.Detector.MinStableFrames = 3

  443. 	}

  444. 	if cfg.Detector.GapToleranceMs <= 0 {

  445. 		cfg.Detector.GapToleranceMs = cfg.Detector.HoldMs

  446. 	}

  447. 	if cfg.Detector.CFARMode == "" {

  448. 		if cfg.Detector.CFAREnabled != nil {

  449. 			if *cfg.Detector.CFAREnabled {

  450. 				cfg.Detector.CFARMode = "OS"

  451. 			} else {

  452. 				cfg.Detector.CFARMode = "OFF"

  453. 			}

  454. 		} else {

  455. 			cfg.Detector.CFARMode = "GOSCA"

  456. 		}

  457. 	}

  458. 	if cfg.Detector.CFARGuardHz <= 0 && cfg.Detector.CFARGuardCells > 0 {

  459. 		cfg.Detector.CFARGuardHz = float64(cfg.Detector.CFARGuardCells) * 62.5

  460. 	}

  461. 	if cfg.Detector.CFARTrainHz <= 0 && cfg.Detector.CFARTrainCells > 0 {

  462. 		cfg.Detector.CFARTrainHz = float64(cfg.Detector.CFARTrainCells) * 62.5

  463. 	}

  464. 	if cfg.Detector.CFARGuardHz <= 0 {

  465. 		cfg.Detector.CFARGuardHz = 500

  466. 	}

  467. 	if cfg.Detector.CFARTrainHz <= 0 {

  468. 		cfg.Detector.CFARTrainHz = 5000

  469. 	}

  470. 	if cfg.Detector.CFARGuardCells <= 0 {

  471. 		cfg.Detector.CFARGuardCells = 3

  472. 	}

  473. 	if cfg.Detector.CFARTrainCells <= 0 {

  474. 		cfg.Detector.CFARTrainCells = 24

  475. 	}

  476. 	if cfg.Detector.CFARRank <= 0 || cfg.Detector.CFARRank > 2*cfg.Detector.CFARTrainCells {

  477. 		cfg.Detector.CFARRank = int(math.Round(0.75 * float64(2*cfg.Detector.CFARTrainCells)))

  478. 		if cfg.Detector.CFARRank <= 0 {

  479. 			cfg.Detector.CFARRank = 1

  480. 		}

  481. 	}

  482. 	if cfg.Detector.CFARScaleDb <= 0 {

  483. 		cfg.Detector.CFARScaleDb = 6

  484. 	}

  485. 	if cfg.Detector.EdgeMarginDb <= 0 {

  486. 		cfg.Detector.EdgeMarginDb = 3.0

  487. 	}

  488. 	if cfg.Detector.MaxSignalBwHz <= 0 {

  489. 		cfg.Detector.MaxSignalBwHz = 150000

  490. 	}

  491. 	if cfg.Detector.MergeGapHz <= 0 {

  492. 		cfg.Detector.MergeGapHz = 5000

  493. 	}

  494. 	if cfg.Detector.ClassHistorySize <= 0 {

  495. 		cfg.Detector.ClassHistorySize = 10

  496. 	}

  497. 	if cfg.Detector.ClassSwitchRatio <= 0 || cfg.Detector.ClassSwitchRatio > 1 {

  498. 		cfg.Detector.ClassSwitchRatio = 0.6

  499. 	}

  500. 	if cfg.Pipeline.Mode == "" {

  501. 		cfg.Pipeline.Mode = "legacy"

  502. 	}

  503. 	if cfg.Pipeline.Goals.Intent == "" {

  504. 		cfg.Pipeline.Goals.Intent = "general-monitoring"

  505. 	}

  506. 	if cfg.Pipeline.Goals.MonitorSpanHz <= 0 && cfg.Pipeline.Goals.MonitorStartHz != 0 && cfg.Pipeline.Goals.MonitorEndHz != 0 && cfg.Pipeline.Goals.MonitorEndHz > cfg.Pipeline.Goals.MonitorStartHz {

  507. 		cfg.Pipeline.Goals.MonitorSpanHz = cfg.Pipeline.Goals.MonitorEndHz - cfg.Pipeline.Goals.MonitorStartHz

  508. 	}

  509. 	if cfg.Surveillance.AnalysisFFTSize <= 0 {

  510. 		cfg.Surveillance.AnalysisFFTSize = cfg.FFTSize

  511. 	}

  512. 	if cfg.Surveillance.FrameRate <= 0 {

  513. 		cfg.Surveillance.FrameRate = cfg.FrameRate

  514. 	}

  515. 	if cfg.Surveillance.Strategy == "" {

  516. 		cfg.Surveillance.Strategy = "single-resolution"

  517. 	}

  518. 	if cfg.Surveillance.DerivedDetection == "" {

  519. 		cfg.Surveillance.DerivedDetection = "auto"

  520. 	}

  521. 	switch strings.ToLower(strings.TrimSpace(cfg.Surveillance.DerivedDetection)) {

  522. 	case "auto", "on", "off", "true", "false", "enabled", "disabled", "enable", "disable":

  523. 	default:

  524. 		cfg.Surveillance.DerivedDetection = "auto"

  525. 	}

  526. 	if cfg.Surveillance.DisplayBins <= 0 {

  527. 		cfg.Surveillance.DisplayBins = cfg.FFTSize

  528. 	}

  529. 	if cfg.Surveillance.DisplayFPS <= 0 {

  530. 		cfg.Surveillance.DisplayFPS = cfg.FrameRate

  531. 	}

  532. 	if !cfg.Refinement.Enabled {

  533. 		// keep explicit false if user disabled it; enable by default only when unset-like zero config

  534. 		if cfg.Refinement.MaxConcurrent == 0 && cfg.Refinement.MinCandidateSNRDb == 0 {

  535. 			cfg.Refinement.Enabled = true

  536. 		}

  537. 	}

  538. 	if cfg.Refinement.MaxConcurrent <= 0 {

  539. 		cfg.Refinement.MaxConcurrent = 8

  540. 	}

  541. 	if cfg.Refinement.DetailFFTSize <= 0 {

  542. 		cfg.Refinement.DetailFFTSize = cfg.Surveillance.AnalysisFFTSize

  543. 	}

  544. 	if cfg.Refinement.DetailFFTSize&(cfg.Refinement.DetailFFTSize-1) != 0 {

  545. 		cfg.Refinement.DetailFFTSize = cfg.Surveillance.AnalysisFFTSize

  546. 	}

  547. 	if cfg.Refinement.MinSpanHz < 0 {

  548. 		cfg.Refinement.MinSpanHz = 0

  549. 	}

  550. 	if cfg.Refinement.MaxSpanHz < 0 {

  551. 		cfg.Refinement.MaxSpanHz = 0

  552. 	}

  553. 	if cfg.Refinement.MaxSpanHz > 0 && cfg.Refinement.MinSpanHz > cfg.Refinement.MaxSpanHz {

  554. 		cfg.Refinement.MaxSpanHz = cfg.Refinement.MinSpanHz

  555. 	}

  556. 	if cfg.Refinement.AutoSpan == nil {

  557. 		cfg.Refinement.AutoSpan = boolPtr(true)

  558. 	}

  559. 	if cfg.Resources.MaxRefinementJobs <= 0 {

  560. 		cfg.Resources.MaxRefinementJobs = cfg.Refinement.MaxConcurrent

  561. 	}

  562. 	if cfg.Resources.MaxRecordingStreams <= 0 {

  563. 		cfg.Resources.MaxRecordingStreams = 16

  564. 	}

  565. 	if cfg.Resources.DecisionHoldMs < 0 {

  566. 		cfg.Resources.DecisionHoldMs = 0

  567. 	}

  568. 	if cfg.Resources.DecisionHoldMs == 0 {

  569. 		cfg.Resources.DecisionHoldMs = 2000

  570. 	}

  571. 	if cfg.FrameRate <= 0 {

  572. 		cfg.FrameRate = 15

  573. 	}

  574. 	if cfg.WaterfallLines <= 0 {

  575. 		cfg.WaterfallLines = 200

  576. 	}

  577. 	if cfg.WebRoot == "" {

  578. 		cfg.WebRoot = "web"

  579. 	}

  580. 	if cfg.WebAddr == "" {

  581. 		cfg.WebAddr = ":8080"

  582. 	}

  583. 	if cfg.EventPath == "" {

  584. 		cfg.EventPath = "data/events.jsonl"

  585. 	}

  586. 	if cfg.SampleRate <= 0 {

  587. 		cfg.SampleRate = 2_048_000

  588. 	}

  589. 	if cfg.ClassifierMode == "" {

  590. 		cfg.ClassifierMode = "combined"

  591. 	}

  592. 	switch cfg.ClassifierMode {

  593. 	case "rule", "math", "combined":

  594. 	default:

  595. 		cfg.ClassifierMode = "combined"

  596. 	}

  597. 	if cfg.FFTSize <= 0 {

  598. 		cfg.FFTSize = 2048

  599. 	}

  600. 	if cfg.Surveillance.AnalysisFFTSize > 0 {

  601. 		cfg.FFTSize = cfg.Surveillance.AnalysisFFTSize

  602. 	} else {

  603. 		cfg.Surveillance.AnalysisFFTSize = cfg.FFTSize

  604. 	}

  605. 	if cfg.TunerBwKHz <= 0 {

  606. 		cfg.TunerBwKHz = 1536

  607. 	}

  608. 	if cfg.CenterHz == 0 {

  609. 		cfg.CenterHz = 100.0e6

  610. 	}

  611. 	if cfg.Recorder.OutputDir == "" {

  612. 		cfg.Recorder.OutputDir = "data/recordings"

  613. 	}

  614. 	if cfg.Recorder.RingSeconds <= 0 {

  615. 		cfg.Recorder.RingSeconds = 8

  616. 	}

  617. 	if cfg.Recorder.DeemphasisUs == 0 {

  618. 		cfg.Recorder.DeemphasisUs = 50

  619. 	}

  620. 	if cfg.Recorder.ExtractionTaps <= 0 {

  621. 		cfg.Recorder.ExtractionTaps = 101

  622. 	}

  623. 	if cfg.Recorder.ExtractionTaps > 301 {

  624. 		cfg.Recorder.ExtractionTaps = 301

  625. 	}

  626. 	if cfg.Recorder.ExtractionTaps%2 == 0 {

  627. 		cfg.Recorder.ExtractionTaps++ // must be odd

  628. 	}

  629. 	if cfg.Recorder.ExtractionBwMult <= 0 {

  630. 		cfg.Recorder.ExtractionBwMult = 1.2

  631. 	}

  632. 	return cfg

  633. }

  634. 

  635. func (c Config) FrameInterval() time.Duration {

  636. 	fps := c.FrameRate

  637. 	if fps <= 0 {

  638. 		fps = 15

  639. 	}

  640. 	return time.Second / time.Duration(fps)

  641. }