论文以增加频率变化率和波达角变化率两个观测量的定位与跟踪方法为基础，讨论其 定位与跟踪算法、频率变化率精确估计、波达角及其变化率的精确估计三个方面的关键技 术。-Paper to increase the frequency rate and the rate of change of direction of arrival of two measurements with positioning and tracking method based on discussion of p

采用Maxim公司的可编程滤波器MAX264设计的锁相跟踪滤波器，能够实现自动跟踪频率功能，使得滤波范围增加，免去调整滤波中心频率的麻烦，采用单片机编程。-The programmable filter Maxim MAX264 design phase-locked tracking filter, automatic tracking frequency, the increase in filter range, eliminating the need to adjust the fil