Then after amplitude limiting, to be preamplified, demodulated, bandpass filtered, the doppler frequency shift signal is extracted.
经过限幅保护，接收放大，检波和带通滤波后，将多普勒频移信号提取出来。
Since the false target jamming will cause D/A converter overflowing, the thesis also studies the influence to false target jamming profile by D/A quantizing and amplitude limiting.
由于假目标的叠加会引起D/A量化位数的溢出，因而本文还通过具体的仿真实验，研究了量化和限幅对假目标干扰像的影响；
The invention can implement amplitude-limiting function without affecting the posterior demodulation, voltage stabilization, and normal operation of the clock and the reset circuit.
本发明既能完成限幅功能，又不会影响 芯片内部后续解调、稳压、时钟、复位电路的正常工作。
The experiments verify that the use of amplitude-limiting filtering algorithm WSN data pretreatment has better leverage error rate, the rate of false positives search even lower.
最后通过实验验证表明应用限幅滤波算法进行WSN数据预处理具有更好的疏失误差查找准确率，误报率更低。
The experiments verify that the use of amplitude-limiting filtering algorithm WSN data pretreatment has better leverage error rate, the rate of false positives search even lower.
最后通过实验验证表明应用限幅滤波算法进行WSN数据预处理具有更好的疏失误差查找准确率，误报率更低。
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