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- Non-typical vector sound intensity array 非典型声强向量阵
- vector sound intensity array 声强向量阵
- 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 noise characteristics of the idle bandsaw were measured with sound intensity method.The values of sound intensity, vector chart, contour chart and mesh chart of noise were obtained. 使用声强法对木工带锯机的噪声特性进行了测量，测得三面的声强值和噪声的矢量图、高线图、三维图。
- vector acoustic intensity array(VAIA) 声强向量阵
- The noise characteristics of the idle bandsaw were measured with sound intensity method.Thevalues of sound intensity. vector chart, contour chart and mesh chart of noise were obtained. 使用声强法对木工带锯机的噪声特性进行了测量，测得三面的声强值和噪声的矢量图、等高线图、三维图。
- non-typical vector acoustic intensity array 非典型声强向量阵
- 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。
- Theoretical and Experimental Exploration on Two-Dimensional DOA Estimation for Low Frequency Sound Source with Non-typical Vector Acoustic Intensity Array 三轴四元非典型声强向量阵对低频声源全空间定向的理论与实验研究
- 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。
- 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。
- Bearing Estimation of the Separate Sections of a Volume Target with Non-Typical Vector Acoustic Intensity Array 非典型声强向量阵对体积目标定向的基阵共用技术研究
- 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。
