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- sound intensity fluctuation 声强起伏
- Intensity fluctuation of any or all components of a received signal. 接收信号的部分或所有成分的强度起伏波动。
- A measure of sound intensity equivalent to one decibel at 1000 Hz. 一种声强的量度单位,其值等价于1000Hz 1分贝。
- The range of sound intensity of noise in the productive depart was 85-89 dB(A). 生产车间噪声声强范围在85~89 dB(A)之间;
- Fahy, F. J., Sound Intensity , Elsevier Science Publishers LTD, 1989. 白明宪，声学理论与应用，全华科技，1999。
- The time-spatial cross-correlation coefficient of the intensity fluctuation of the speckle is calculated for three surface correlation in ease of moving weak scatterer. 本文计算了三种不同表面相关下弱散射体平动时,散斑强度涨落的时-空交叉相关系数;
- An expression for logarithmic light intensity fluctuation variance of partially coherent light passing through atmospheric turbulence is derived by using Andrews scintillation model on the basis of Rytov variance. 在Rytov方差的基础上,利用Andrews的唯像闪烁模型,推导出部分相干光通过强大气湍流后其对数光强起伏方差的公式,并用此公式对部分相干光通过强湍流后给光强闪烁造成的影响进行了仿真。
- The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range,good sensitivity and restraining the intensity fluctuation noise. 本文采用双光路激光系统，对亚麻尘的相对浓度进行了连续测量，具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
- It was found that the sonochemical yield is linearly related to sound intensity and irradiation time. 但是,直到目前,人们对空化泡数量与声化学产额之间定量关系的描述还很缺乏。
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/ml条件下，苯胺溶液的TOC降解率比声强为0
- This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc. 摘要探讨了超声波应用于木材阻燃浸渍处理过程的可行性，同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/mL条件下，苯胺溶液的TOC降解率比声强为0
- Degradation rate of TOC in aniline-containing solution at sound intensity of 0.3W/ml.was slightly lower than that at sound intensity of 0.2W/ml. 在声强0.;3W/mL条件下，苯胺溶液的TOC降解率比声强为0
- The accuracy and efficiency of the measurement method has been proved bythe measuring results for two kinds of sound intensity probe B &K3519 and CM25. 比较B&K3519声强探头和由两只国产CM25传声器构成的声强探头的测量结果，说明该方法准确、有效。
- Acoustic horn is a key component in power ultrasonic equipment and plays a role in improving sound intensity and matching impedance. 超声变幅杆是功率超声设备中的关键部件,它起着增大声强和阻抗匹配的作用。
- intensity fluctuation spectroscopy (IFS) [化] (谱线)强度涨落波谱法
- The influence of the DFT leakage errors on the sound intensity measurement is analyzed and the simulation examples are presented. 分析DFT泄露误差对声强测量的影响,进行模拟计算。
- intensity fluctuation spectroscopy (谱线)强度涨落波谱(法)
- This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan. 该文介绍了声强法的原理和通风机噪声的声强测量方法,有一定实际应用价值。
- The more the sound intensity was, the more degradation was. CCl 4 was chosen as adjuvant to degradation process, which feasible mount was 5mL/L solution. 声强越大,降解率越大,降解助剂CCl4适宜的量为5mL/L。
