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分析了伪随机信号系统辨识的传统算法,应用于电法勘查仪器所遇到的问题,指出传统算法不能直接用于伪随机信号电法仪;必需对其进行改造,建立新的算法.基于Wiener-Hopf方程,导出了伪随机信号系统辨识的“第二方案”(相关谱分析)算法.通过一个选定的电阻和电容组合电路的计算机仿真模拟,证明了“第二方案”算法的正确性和可行性.基于“第二方案”算法,研制了伪随机信号电法仪器系列的第一款仪器——Abollo IP激电仪,介绍了该仪器的特点.
This paper analyzes the traditional algorithm of pseudo-random signal system identification and applies it to the problems encountered in the electrical prospecting instruments. It points out that the traditional algorithm can not be used directly in the pseudo-random signal power meter; it must be modified to build a new algorithm. -Hopf equation, the “second scheme” (correlation spectrum analysis) algorithm of pseudo-random signal system identification is derived.A computer simulation of a selected resistor and capacitor combination circuit proves that the “second scheme” The correctness and feasibility of the algorithm.Based on “second scheme ” algorithm, the first instrument of pseudo-random signal electrical method instrument series - Abollo IP dynamometer is introduced, and the characteristics of the instrument are introduced.