The minimum PSD value is set as -70dBm

demvlad · demvlad · commit 2cde4dd33b2d · 2025-05-05T14:33:37.000+03:00
diff --git a/src/graph_spectrum_calc.js b/src/graph_spectrum_calc.js
@@ -570,7 +570,7 @@ GraphSpectrumCalc._psd  = function(samples, pointsPerSegment, overlapCount, scal
       psdOutput[i] += p;
     }
 
-    const min_avg = 1e-5; // limit min value for -50db
+    const min_avg = 1e-7; // limit min value for -70db
     let avg = psdOutput[i] / segmentsCount;
     avg = Math.max(avg, min_avg);
     psdOutput[i] = 10 * Math.log10(avg);

Original file line number	Diff line number	Diff line change
`@@ -570,7 +570,7 @@ GraphSpectrumCalc._psd = function(samples, pointsPerSegment, overlapCount, scal`
`570`	`570`	`psdOutput[i] += p;`
`571`	`571`	`}`
`572`	`572`
`573`		`- const min_avg = 1e-5; // limit min value for -50db`
	`573`	`+ const min_avg = 1e-7; // limit min value for -70db`
`574`	`574`	`let avg = psdOutput[i] / segmentsCount;`
`575`	`575`	`avg = Math.max(avg, min_avg);`
`576`	`576`	`psdOutput[i] = 10 * Math.log10(avg);`