The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossingfrequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声，改进了过零测频方法。
2
LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram.
标签LFMCW雷达非线性剩余频差过零检测周期图。
3
Frequency spectrum analysis and the crossing point of voltage are adopted to control the corresponding filter branch switch.