此系统应用小波降噪的方法提高测试信号的质量，然后提取信号特征点，得到溢流阀动态特性的各项参数。
Applying wavelet denoise to improve the test signal, the dynamic characteristic parameters of a overflow valve were obtained by selecting characteristic point of the signal.
提取命令参数时根据命令响应函数的特性，设计了从左往右、依次迭代提取的方法。
Because of the response characteristic of the command, a left-to-right iterative process is proposed to estimate the parameters in turn.
一个完整的MEMS表面加工工艺pcm系统应当包括三个部分：电学参数提取、几何学参数提取和材料特性参数提取。
An entire PCM system of MEMS surface manufacturing process should include three parts: electronic parameters extraction, geometric parameters extraction and material property parameters extraction.
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