autotest/psd: increasing default minimum FFT size for analysis
@@ -268,7 +268,7 @@ int liquid_autotest_validate_psd_signal(float complex * _buf, unsigned int _buf_
autotest_psd_s * _regions, unsigned int num_regions, const char * debug_filename)
{
// compute signal's power spectral density
- unsigned int nfft = 4 << liquid_nextpow2(_buf_len < 8 ? 8 : _buf_len);
+ unsigned int nfft = 4 << liquid_nextpow2(_buf_len < 64 ? 64 : _buf_len);
float complex * buf_time = (float complex*) malloc(nfft*sizeof(float complex));
float complex * buf_freq = (float complex*) malloc(nfft*sizeof(float complex));
float * buf_psd = (float * ) malloc(nfft*sizeof(float ));
