设计了电磁计程仪测速传感器微弱信号的检测电路, 利用频谱分析、互相关运算等方法对信号进行了处理, 与现有传感器信号处理方法相比, 具有精度高、抑制噪声能力强、检测电路体积小、携带方便的优点。为检测传感器工作状态提供了有力的帮助。

Inspection circuits of electromagnetic log velocity measurement sensor for weak signals are designed. The signals are processed by spectrum analysis and cross correlation operation method. Comparing with the present methods of sensor signal process, the method has the characteristics of high accuracy, good noise suppression, small inspection circuits and easy to carry. It is helpful to inspect the operation states of sensors.