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m type backward wave tube m 型返波振荡管
o type backward wave tube o 型返波管
M-type backward wave tube M 型返波管
backward wave tube 回波管
backward wave tube oscillator 返波管振荡器
Experimental studies of relativistic backward wave oscillator(BWO) with a resonant reflector are presented. 阐述了带有反射腔的相对论返波管的初步实验研究进展。
Performance characteristics of SDC - M type of natural mixed carboxylate under high temperature and high salinity condition. SDC-M型天然混合羧酸盐高温高盐下的性能特点
Abstract: This paper presents a terahertz (THz) wave reflection imaging system based on Backward Wave Oscillator (BWO). 中文摘要: 返波振荡器(BWO)作为一种新型高功率连续太赫兹源，具有广泛的应用前景。
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。
Particle simulation and experimental study of subnanosecond millimeter wave backward wave oscillator[J]. 引用该论文陈洪斌;胡林林;马国武;孟凡宝;周传明.
Abstract: The resonant cavity reflector has been used in the backward wave oscillators for producing multi-gigawatt power and operating at low magnetic field. 摘要：利用模式匹配方法对“冷”谐振腔反射器的反射特性进行了理论分析，推导出了谐振腔反射器的广义散射矩阵。
This paper had summarized in ECHO diagnosis on ventricle segmental motion abnormality to obtain the qualitation and semi-quantitive diagnosis(2-dimensional and M type) for coronary artery disease. 应用无创性超声心动图(主要以二维和M型超声为主)对冠状动脉疾病,室壁节段性运动异常,作出定性及半定量的评价。
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。
I'm taking a fraction of a second to assure that what I'm typing is what I am saying,and what I'm writing is what the pilot is reading back. 我会花几秒钟的时间检查我敲入的是否是我说的，还有我记下的是否和飞行员的复述一致。
Using two wave theory the start oscillation currents of backward wave oscillations(BWO) with three kinds of typical practical non homogeneous output circuits are analyzed and some corresponding conclusions are made. 本文利用二波理论对三种典型实用的非均匀输出线路的返波起振电流进行了研究并得出相应结论 .
The mechanism of suppressing mode competition in gyrotron traveling wave tube amplifier with helical corrugation is illuminated. 阐述了螺旋波纹波导回旋行波管克服模式竞争的机理。
I'm taking a fraction of a second to assure that what I'm typing is what I am saying, and what I'm writing is what the pilot is reading back. 我会花几秒钟的时间检查我敲入的是否是我说的，还有我记下的是否和飞行员的复述一致。
The dynamic properties of forward and backward waves in the fiber grating are studied. 研究了前向波与后向波在均匀光纤光栅内的动态特性。