In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.
介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。
The RF pulse-to-pulse phase noise through microwave test circuit becomes a VF pulse signal of random fluctuation.
射频脉间相位噪声经过微波检测电路、视频电路后变成随机起伏的视频脉冲信号。
The test results showed that the influence of drawing ratio, speed and temperature on the tension, tension fluctuation and irregularity of the fiber were obvious.
结果表明，拉伸比、拉伸速度和拉伸温度对纤维张力、张力波动和不匀率均存在着明显的影响。
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