通过改进搜索策略、调整视频包络信号的门限值和设置相应的过渡状态等方法，提高了自动磁迹跟踪的速度和准确性。
The speed and accuracy are increased by improving the search strategy, adjusting the threshold of the video signal envelope and setting the corresponding transitive state.
对最小包络矩形求取方法进行了改进，提高了算法的运算速度；
In order to enhance the operation speed of the algorithm, the algorithm to calculate the least surrounding boxes was improved.
传统的卫星振动测试由于采用加速度谱包络的方式获取振动台控制谱，导致了“过试验”的发生。
The over-testing problem is mainly caused by the traditional method in which the acceleration spectrum was enveloped and used as the control spectrum of the vibration table.
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