给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。

Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.

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系统各齿轮都具有安装误差时，各齿轮副承载情况受误差累加或相反作用的影响。

When every gear has different installation errors, the load situations are influenced by the error accumulation and opposition.

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利用随机过程的方法来分析系统误差的变化过程，建立了系统误差的随机过程模型——误差累加模型和维纳过程模型。

Rules of the system error along with time is represented and stochastic process models are established: error accumulating model and Wiener model.

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