circular waveguide standing-wave detector
圆形波导管驻波检测器
rectangular-circular waveguide transducer
矩形-圆形波导转换器
Rectangular-ellioptical waveguide transformer
矩形椭圆波导变换器
elliptical iris waveguide
椭圆形光圈式波导管
Angular-profile Tuning of Guided Waves in Pipe Inspection
管道导波检测中的位移圆周分布调制方法
Copper and copper alloys--Circular waveguid tube
GB/T8894-1988圆形铜合金波导管
Study on Acoustic Transmission Loss in 4-channel Impedance Tube with Single-sensor
单传声器四通道驻波管隔声量的测试研究
Design of Rectangle Waveguide to High-Power Overmoded Circular Waveguide Mode Convertor
矩形波导到高功率过模圆波导模式转换器的设计
Accurate Analysis of Cylindrical Dielectric Resonator in a Rectangular Waveguide
矩形波导中圆柱介质谐振器的精确分析
Study on Bent Circular Waveguides TM_(0.1)-TE_(11) Mode Converter;
TM_（0.1）-TE_（11）弯形圆波导模式转换器的研究
Study on Wavelet-Based Damage Detection in Pipes Using Ultrasonic Longitudinal Guided Wave
基于小波分析的超声导波法管道损伤检测研究
New Composite Inspection Technique of Pipeline Defects through Guided Wave Ultrasonic Testing and Ultrasonic C-scan Technique
管道缺陷导波与超声波C扫描复合检测新技术
Analysis on Applicability of the Guided Wave Ultrasonic for Pipeline Corrosion Testing
导波技术检测管道腐蚀的适用性分析
Research on the Application of Ultrasonic Guide Wave Detection Technology to Pipeline Corrosion
管道超声导波腐蚀检测技术应用研究
Development of Incentive Source of Guided Wave Detector for Testing Oil and Gas Pipeline
油气管道导波检测仪激励信号源研制
A New Mothod for Harmonic and Inter-Harmonic Detection in Power System Based on Modified MM Filter and HHT;
基于改进形态滤波器和HHT的电力系统谐波/间谐波检测新方法
seismometer testing apparatus
地震检波器测试仪器
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。