介绍了自动测试系统中基于MAX262的程控滤波器的设计原理及流程，给出了具体电路及程序。
The design principle and process of digital programmable filter based on MAX262 in automatic detection system, and its circuits and program are introduced.
利用复解调技术将设计带通滤波器组转化为设计相对简单的低通滤波器组问题，给出了分解与重构的系统流程。
Each required bandpass filter is reduced to two lowpass filters which are relatively simple in design by using complex demodulation. The decomposition and reconstruction architecture are introduecd.
依据输入滤波器输出阻抗极大值最小原则对基于阻尼补偿的直流发电机带恒功率负载系统输入滤波器参数进行了最优设计，给出了设计方法和流程。
Optimal design for input filter parameters in the system is accomplished to obtain the minimization of peak output impedance, and the design process is discussed in detail.
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