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根据干涉仪测量的基本原理即利用在二条互成90°角基线上两对天线座之间所接收的电波的相位差和两对座体之间的距离(即基线长)的关系来确定二条基线上的方向余弦来进行测量空中目标。如图所示:
According to the basic principle of interferometer measurement that the use of two 90 ° angle in the baseline between the two antenna assemblies received between the two radio waves and the distance between the two pairs of seat body distance (ie, the baseline length) to determine the relationship between the two The direction of the baseline cosine to measure the air target. as the picture shows: