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- The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
- A new type of sound absorbing material was made from super-strength gypsum and glass fiber and the sound absorp-tion coefficient of the material was tested by standing wave tube method. 以高强石膏为主要原料,内掺玻璃纤维,在发泡剂的作用下,制备出一种新型多孔吸声材料,采用驻波管法测试材料的吸声系数。
- standing wave tube method 驻波管法
- Based on the test technique of standing wave tube with double microphones, a four-sensor method is developed. 同时,将双传声器驻波管测量材料声阻抗的原理,推广到四传声器法测量压缩机消声器的传声损失。
- Traditional methods to measure absorption coefficient are standing wave tube and reverberation which have some shortcomings. 摘要传统的吸声系数测量方法主要有驻波管法和混响室法,而驻波管法和混响室法都存在着一些缺陷。
- Least Square Method for Acoustic Measurement in the Standing Wave Tube and its Error Analysis and Application 驻波管声学测量中最小二乘法误差分析及应用
- Measurement of the Sound Transmission Loss in the Standing Wave Tube 驻波管中的隔声量测试方法
- Measurement of sound-absorbing coefficient and sound-resistance rate by method of standing wave tubes 驻波管法吸声系数与声阻抗率测量规范
- Physical design of 2 MeV standing wave accelerating tube[J]. 引用该论文 柏伟;许州;金晓;黎明;杨兴繁;沈旭明.
- The Modified Computation of the Complex Transmission Coefficient of Acoustical Panel in Standing Wave Tube 驻波管中介质板复透射系数的修正计算方法
- Measurement for Low-frequency Properties of Underwater Acoustic Materials in a Standing Wave Tube 水声材料低频声性能的驻波管测量
- Error Analysis of Stand Wave Tube Equipment on Measuring Metal Rubber Sound Absorption Performance 驻波管测试仪测量金属橡胶吸声性能误差分析
- VSWR.Abbreviation for Voltage Standing Wave Ratio. VSWR电压驻波比的缩写。
- VSWR? Voltage Standing Wave Ratio? 电压驻波比?
- F rom above, a method to realize the testing of cable partiality online by ultrasound standing wave is advanced. 在此基础上本文提出了利用超声驻波的方法实现电缆偏心在线检测。
- We compare which method has the best convergence of the squared magnitude of the power amplifier output error for a memoryless Travelling Wave Tube Amplifier (TWTA). 本篇论文中,针对无记忆性的放大器模型比较三种转换对照表更新方法对于放大器输出的错误误差收敛快慢。
- Standing wave LUM is the mainstream of the research of the LUM. 驻波型直线电机是直线型超声波电机发展的主流。
- Conclusion Different anticoagulants can affect the results of slide method and test tube method coagulase tests. 结论不同抗凝剂可影响玻片法、试管法血浆凝固酶试验的结果。
- After being analyzed with FEM, impedance tube method was introduced to measure sound transmission loss(STL) of glass. 在有限元分析基础上,采用了驻波管法对小样品玻璃进行隔声量测量。
- standing wave tube 驻波管