一种基于DSP的电磁传感器信号频谱检测方法

电磁传感器输出信号易受到各种噪声的干扰,需要检测调理电路输出信号的信噪比,以达到衡量调理电路好坏的目的,针对这一问题,设计了一种基于D S P的简易式频谱分析仪。实验测试结果表明,该分析仪操作方便,精度较高,且相对于频谱仪成本更低,完全达到了预期目的。

The output signal of electromagnetic sensor is susceptible to a variety of noise interference ,according to this, we need to detect the SNR of the output signal of regulate circuit, so as to measure the regulate circuit is good or not, a simple spectrum analyzer based on DSP is designed. The results of the test show that the analyzer is easy to operate and own high precision and also much lower than spectrum analyzer, so it fully achieve the expected purpose.