add sleep if open impedence

filter_test.py

@@ -56,7 +56,7 @@ EMPTY_FRAME = b""
 
 # 仿真信号配置
 TARGET_CHANNEL = 0
-SIGNAL_FREQ_LIST = [3, 13]
+SIGNAL_FREQ_LIST = [13]
 SIGNAL_AMP = 1.8
 NOISE_GAUSSIAN_AMP = 0.4
 NOISE_POWER50_AMP = 0.3
@@ -128,8 +128,8 @@ def generate_eeg_packet(pkt_idx: int) -> np.ndarray:
         sig = 0.0
         for freq in SIGNAL_FREQ_LIST:
             sig += SIGNAL_AMP * np.sin(2 * np.pi * freq * t_arr)
-        sig += NOISE_POWER50_AMP * np.sin(2 * np.pi * 50 * t_arr)
-        sig += NOISE_GAUSSIAN_AMP * np.random.randn(n_point)
+        # sig += NOISE_POWER50_AMP * np.sin(2 * np.pi * 50 * t_arr)
+        # sig += NOISE_GAUSSIAN_AMP * np.random.randn(n_point)
         data[:, ch] = sig
 
     # 事件通道、保留通道