Remove detrend

src/science_signal/signal.py

@@ -124,6 +124,7 @@ class Signal:
             logical_or(abs(freq_x) <= start, abs(freq_x) >= end)
         )
         freq_y[index_to_remove] = 0
+
         y = irfft(freq_y)
         return Signal(
             self.x[: len(y)],
@@ -138,7 +139,6 @@ class Signal:
             self.y,
             self.rate,
             nperseg=fft_length * self.rate,
-            detrend="linear",
         )
 
         return Signal(freq, psd)