The improvement of the measuring system performance such as stability, drift, noise-suppression and interference-resistance by adopting these measures has been discussed.

讨论了这些措施对测量系统的稳定性、漂移、噪声抑制、抗干扰等性能指标的改善。

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Measurement system of PL channel characteristic is designed, and the characteristic of noise, transmission and impedance are analyzed based on the measuring result.

设计了电力线信道特性测量系统，根据测量结果对噪声特性、传输特性和阻抗特性等相关问题进行了分析。

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The Kalman filter is suitable to the measuring system of a remote sensing satellite, by which an attitude measurement information with lower noise can be obtained.

本文设计的卡尔曼滤波器适用于对地观测卫星的测量系统，能获取较低噪声的姿态测量信息。

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