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- 反射平面上实质自由场条件下噪声源的声功率级的工程测定法 Engineering Methods for the Determination of Sound Power Levels of Noise Sources for Essentially Free-Field Conditions over a Reflecting Plane
- 电力推动道路车辆。运载工具上充电器充电过程中车辆发出的空气噪声。声功率级测定 Electrically propelled road vehicles - Airborne acoustical noise of vehicle during charging with on-board chargers - Determination of sound power level; German version EN
- 在混响室里用工程方法测定噪声源声功率级 Engineering methods for the determination of sound power levels of noise sources in a special reverberation test room
- 首次通过实验验证了当声阻与容抗相等时,热声发动机向阻容负载传递的声功率最大。 It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance.
- 根据声音强度测定噪声源声功率级的工程方法 Engineering method for the determination of sound power levels of noise sources using sound intensity
- 然而系统效率与输出声功率不能同时达到最大值,因此在实际应用中只能采取折中的效果。 However, the highest transfer efficiency and largest acoustic power cannot be obtained simultaneously, therefore a trade-off condition must be adopted.
- 汽轮机功率与循环水系统功耗神经网络模型的建立及其应用 Modeling and application of ANN models for power output of steam turbine and power consumption in circulating water system
- 混响室法校准标准声源声功率级不确定度评定 Assessment of Calibration Uncertainty of Standard Sound Source Power Level Using Reverberation Chamber Method
- 小波包分解Welch平均法在焊接电弧声功率谱估计中的应用 Application of wavelet packet analysis and Welch method in power spectrum evaluation of arc sound
- 声学。利用声强度对噪声源声功率级别的测定。使用扫描精确测量法 Acoustics - Determination of sound power levels of noise sources using sound intensity - Precision method for measurement by scanning
- 噪声源声功率级的测定-消声室和半消声室精密法 Precision methods for the measurement of sound power level in anechoic and hemi-anechoic rooms
- 统计声功率吸收系数 statistical sound power absorption coefficient
- 声功率极 sound power level
- 参考声功率 reference sound power
- 总声功率 total acoustic power
- 声功率值 sound power value
- 声功率谱 power sound spectrum
- 声功率仪 sound power level
- 声功率级 sound power level
- 辐射声功率 acoustic radiation
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海词词典，十七年品牌
