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FIR Polyphase filterbank channelizer prototype implementation

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- Can now handle several 200khz FM streams with SDRPlay at 8Mhz+ on my
old 2010 Macbook Pro :)
- Demod bandwidth max now limited to 400khz, temporary until alternate
path for high-bandwidth is available
This commit is contained in:
Charles J. Cliffe
2015-10-14 00:54:48 -04:00
parent 3570cef3f2
commit edd154296c
9 changed files with 219 additions and 131 deletions
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src/visual/TuningCanvas.cpp
+2 -2
View File
@@ -190,8 +190,8 @@ void TuningCanvas::StepTuner(ActiveState state, int exponent, bool up) {
bw += amount;
}
if (bw > wxGetApp().getSampleRate()) {
bw = wxGetApp().getSampleRate();
if (bw > CHANNELIZER_RATE_MAX) {
bw = CHANNELIZER_RATE_MAX;
}
wxGetApp().getDemodMgr().setLastBandwidth(bw);
src/visual/WaterfallCanvas.cpp
+2 -2
View File
@@ -435,8 +435,8 @@ void WaterfallCanvas::OnMouseMoved(wxMouseEvent& event) {
int currentBW = demod->getBandwidth();
currentBW = currentBW + bwDiff;
if (currentBW > wxGetApp().getSampleRate()) {
currentBW = wxGetApp().getSampleRate();
if (currentBW > CHANNELIZER_RATE_MAX) {
currentBW = CHANNELIZER_RATE_MAX;
}
if (currentBW < MIN_BANDWIDTH) {
currentBW = MIN_BANDWIDTH;