intermediate frequency echo
intermediate frequency echo
中频回波
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The design principle of radar intermediate-frequency echo is introduced; different kinds of expression of echo signals are deduced, and 4 categories of wave of target cross section are modeled.
介绍了雷达中频回波信号的设计原理，推导了不同波形种类的回波信号表达式，并为目标建立了4种截面积起伏模型。
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