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- 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
- stand wave tube equipment 驻波管测试仪
- 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。
- 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。
- 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。
- Measurement of the Sound Transmission Loss in the Standing Wave Tube 驻波管中的隔声量测试方法
- For rising control level, RMC is used in rolling tube equipment. 为了提高控制水平,在轧管设备中采用了RMC轧机控制器。
- 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
- 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.
- 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
- 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
- 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?
- 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。
- This mainly led to solid state devices , while we did not refrain from fully battery driven tube equipment, although those may by too big in size, in weight and in budget for many. 这导致主要产品是晶体管类扩音机，当然我们不排斥完全电池供电的胆机设备，虽然胆机电池供电重量和体积太大，对大多数人也不划算。
- As will be seen,an operation bandwidth from 2.4 to 11 GHz for stand wave ratio lower than 2,in which a frequency notched band from5.15 to 5.95 GHz,has been achieved. 结果显示该天线在2.;4到11GHz频段内驻波比小于2;在5
- standing wave tube method 驻波管法
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗？
- 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
