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本文证明了各态历经的随机信号经符号化处理后,得到的极性信号是干稳的,极性相关函数是各态历经的。在此基础上,建立了一般的极性相关函数的数学模型。从而论证了极性相关法的理论依据,拓宽了极性相关法的适用范围。为高精度,低造价、数字化、集成化的专用极性相关仪的研制,提供了一种切实有效的方法。文中还介绍了已研制成功的数字极性相关测速系统的设计方案。
This paper proves that after the random signal undergoes symbolic processing, the polarity signal obtained is stable and the polarity correlation function is ergodic. On this basis, the mathematical model of the general polarity correlation function is established. Thus it proves the theoretical basis of the law of polar correlation and widens the scope of application of the law of polar correlation. For high-precision, low cost, digital, integrated dedicated polar correlation instrument developed to provide a practical and effective method. The paper also introduced the design scheme of the digital velocity-related velocity measuring system which has been developed successfully.