The continuous wave radar is the main tracking equipment for trajectory observing at present. Estimation and calibration of system errors have important significance.
连续波雷达是目前外火箭轨道测量的主要高精度设备，用数学方法估计和修正其系统误差有特别重要的意义。
2
Azimuth resolution of meter wave radar can be improved by using super resolution spectrum estimation methods without extending the antenna aperture.
超分辨谱估计技术可以在不增大天线口径的情况下提高米波雷达的方位角分辨力。
3
Then the linear superposition method is used to simulate irregular wave, and is verified by the autocorrelation method of wave spectrum estimation.