给出了一个形式简洁的方位随时间线性变化的可量测函数，并利用工作点漂移的技术解决了滤波器在方位小变化量时系统的不稳定现象。
In this paper, a linear function of bearing variation versus time is given, and the method of work-point drifting are used to solve filter system which is unstable in bearing small change.
在对模拟得到的原始数据进行成像压缩过程中，本文提出了一种由实际距离拟合生成方位向参考函数的方法，成功的提高方位向压缩效果。
And an optimum method of producing the azimuth reference function based on polynomial model is brought out, which has improved the azimuth compression effect successfully.
该方法利用惯性矩是方位角的函数，且函数有极值的特征推出普遍性结论。
The general conclusion is derived by using the features that moment of inertia is a function of the Angle of rotation and the function has extreme value.
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