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Adjust wideband specan gain to match other modes.

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This commit is contained in:
Jared Boone
2015-08-27 14:57:05 -07:00
parent b13081696d
commit 3fea68d777
1 changed files with 3 additions and 2 deletions
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5
firmware/baseband/proc_wideband_spectrum.cpp
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@@ -171,6 +171,7 @@ void WidebandSpectrum::execute(buffer_c8_t buffer) {
if( channel_spectrum_request_update == false ) { if( channel_spectrum_request_update == false ) {
channel_spectrum_request_update = true; channel_spectrum_request_update = true;
constexpr int32_t k = 128 * 4 * 8;
for(size_t i=0; i<channel_spectrum.size(); i++) { for(size_t i=0; i<channel_spectrum.size(); i++) {
int32_t real = 0; int32_t real = 0;
int32_t imag = 0; int32_t imag = 0;
@@ -182,8 +183,8 @@ void WidebandSpectrum::execute(buffer_c8_t buffer) {
imag += buffer.p[i + 512].imag() * window_blackmanharris_1024[i + 512]; imag += buffer.p[i + 512].imag() * window_blackmanharris_1024[i + 512];
real += buffer.p[i + 768].real() * window_blackmanharris_1024[i + 768]; real += buffer.p[i + 768].real() * window_blackmanharris_1024[i + 768];
imag += buffer.p[i + 768].imag() * window_blackmanharris_1024[i + 768]; imag += buffer.p[i + 768].imag() * window_blackmanharris_1024[i + 768];
channel_spectrum[i].real(real / 512); channel_spectrum[i].real(real / k);
channel_spectrum[i].imag(imag / 512); channel_spectrum[i].imag(imag / k);
} }
channel_spectrum_sampling_rate = buffer.sampling_rate; channel_spectrum_sampling_rate = buffer.sampling_rate;