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 fluctuationtest 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。
2
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。
3
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.