The digitaltester for frequency response characteristic, which is also called frequency-sweeping instrument, plays a very important role in modern electronic measurement.
扫频仪也称频率特性测试仪，用于测试网络的幅频特性和相频特性，在现代电子测量中占有重要的位置。
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The absence of IP aliasing and support for client-side digital certificates have kept me from using Rational performance Tester for some of the types of applications I typically performance test.
The studied simulation tester in this paper is a set of test system that can measure the working state of digital automatic level controller of paving machinery.