频域动态测试 frequency-field dynamic testing method
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文中给出了长线“频域测试法”的理论分析和测试实例。
Besides the theory of test means frequency domain, a test example is illustrated in the text.
论文不仅给出了频域测试结果图还给出了时域测试图，并对两种测试方式的优势和原理进行了介绍。
This paper not only gives the test results of frequency-domain but also gives the test patterns of time-domain, and introduces the advantage and principle of the two test methods.
前一种方法是利用信号在频域的能量分布特征识别目标，实际测试取得约83%的平均识别率。
The preceding method is uses the signal in the frequency range energy distribution trick recognition goal, the actual test obtains approximately 83% average recognition rate.
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