查询词典 wave propagation

Using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering.

二采用频谱分析方法研究了爆破产生的地震波在介质中传播的特性和基本规律，拟合出了指导工程设计与研究的地震波振速衰减经验公式。

An interesting feature is that this component is not a zonal wave type oscillation, but rather a meridional wave type fluctuation.

一个有趣的特征是这一分量不是纬向波型的振荡而是经向波型的振荡。

In order to calculate the wave making resistance of multi-hull ships,the Michell wave making method was modified.

为计算多体船兴波阻力，改进了Michell线性薄船兴波阻力数值计算方法。

The results of wave-making coefficients and relative data of wave-making field both from computation based on RANS approach and Michell integral method are provided for 7 different designs of bulbous bow lines respectively in this paper.

以球首的几何特征参数作为自变量构造了7条模型，分别应用CFD方法计算了船首的兴波波场和应用Michell积分方法确定了船体的兴波阻力系数。

In this paper, micro-rock mining in the breakdown of elastic waves generated by the information source, application of rock mass elastic wave and the related breakdown of the theory and technology, to explore unknown goaf water accumulation and nucleation process, found the exact elastic wave velocity than the VP / VS, the amplitude ratio VSH / VPH, spectral, waveform, and frequency of abnormal microseism.

本文以采动岩体微破裂产生的弹性波为信息源，应用弹性波与岩体破裂的相关理论与技术，探索地下采空区不明水体的蓄积和成核过程，发现存在确切的弹性波波速比VP/VS、振幅比VSH/VPH 、波谱、波形以及微震频度的异常。

The microseism signal automatic recognition system can pick up and analysis P wave 、S wave and the interfering signal in the microseism signal caused by the mining tremor, determine the time of signal arrival and amplitude, energy etc.

矿山微震信号自动识别系统可以对由矿震所引发的微震信号进行拾取并分析P波、S波及干扰信号，确定信号到时及振幅、能量等微震属性，为预测和防治矿震灾害提供了必要参数。

The company has leading products: 1 W, 10W, 40W broadband microwave power amplifiers ,2-18 GHz microwave broadband hybrid integrated amplifier, 6-18GHz microwave broadband hybrid integrated amplifier, broadband low-noise amplifier, millimeter-wave power amplifiers, high-speed high-power microwave switch , Multi-channel switch filters, multi-channel receiver components, microwave, millimeter wave components RT ,1-18 GHz broadband limiter, broadband, such as ultra-wideband microwave antennas, of which 1 W has established mass production of microwave power amplifiers, 40 W microwave power Amplifiers ,2-18 GHz broadband hybrid integrated microwave power amplifiers, and other domestic fill the gaps, for the military plant, provided by the various military microwave devices and micro-electronic devices, for the modernization of national defense have made contributions to the building, the company also created a good Economic and social benefits.

公司的主导产品已有：1W、10W、40W宽带微波功率放大器、2-18GHz微波宽带混合集成放大器、 6-18GHz微波宽带混合集成放大器、宽带低噪声放大器、毫米波功率放大器、高速大功率微波开关、多通道开关滤波器、多通道接收组件、微波、毫米波R-T组件、1-18GHz宽带限幅器、宽带、超宽带微波天线等，其中1W微波功率放大器已定型批量生产，40W微波功率放大器、2-18GHz宽带混合集成微波功率放大器等填补了国内空白，为军工厂、所提供了各种军用微波器件和微电子器件，为国防现代化建设做出了贡献，也为公司创造了良好的经济效益和社会效益。

High quality millimeter wave frequency source is the important component in the development of millimeter wave systems and application.

优质的毫米波频率源是毫米波系统与应用的关键部件，它的性能很大程度上决定了系统的性能。

Passive millimeter-wave imaging is a hot research in the field of Millimeter wave in the 90 s.

被动毫米波成像是毫米波技术领域90年代以来的一个研究热点。

Millimeter wave frequency synthesizer is one of the key parts of millimeter wave radar. It is necessary and important for us to study it.

毫米波频率源是构成毫米波雷达通信系统的关键部件，对该技术的研究具有重要的现实意义。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。