wave frequency的例句大全

Propagation of the ultrahigh frequency ( UHF) radio wave in the underground tunnel

地下巷道中UHF特高频无线电波的传播

The influences of initial stress on the vibration and transverse wave propagation in carbon nanotubes under ultrahigh frequency ( above 1THz) were investigated.

本文研究初始应力对碳纳米管在极高频率（大于1THz）下横波传播的影响。

Also RCS results of radar wave vary in different polarization state, and the polarization characters have tight connection with frequency characters and space characters.

另外，在雷达波的不同极化状态下，将出现不同的RCS结果。实际上，目标的极化特性与其频率特性和空间特性的联系十分密切。

The tunable, coherent terahertz wave generation in a variety of isotropic semiconductor nonlinear crystals, such as ⅲ-ⅴ and ⅱ-ⅳ compounds, by difference frequency mixing is studied theoretically based on the theory of the cross-Reststrahlen band dispersion compensation phase-matching.

理论研究了利用剩余射线带色散补偿相位匹配原理，在Ⅲ-Ⅴ族和Ⅱ-Ⅳ族光学各向同性的半导体非线性晶体中差频产生可调谐THz波的可行性问题。

This integral can describe the efficiency of second-harmonic generation accompanying the primary Lamb wave time-domain pulse, as well as the dispersion degree between the primary and the double frequency Lamb waves.

该积分表达式可表征基频兰姆波时域脉冲传播过程中的二次谐波发生效率，以及基频与二倍频兰姆波模式之间的频散程度。

This concludes that on the middle and deep seismic record, the main frequency of reverberation can be much higher than that of primary wave within a same travel time window.

此结论表明：在中深部的地震记录上同一时间段的海水鸣震主频可显著高于一次反射波的主频。

The theme mainly focused on the problem how to apply Orthogonal Frequency Division Multiplexing modulation technology to the low-frequency elastic wave through-the-earth communication system which takes the layered earth for transmission medium.

本课题研究的是把正交频分复用调制技术应用在以分层大地为传输媒介的低频弹性波透地通信系统中。

Design of Radio Wave Receiving Antenna with Low Frequency and Broad Band for Space Vehicle

空间飞行器低频率宽频带射电波接收天线的设计探讨

Experimental results show that the dominant frequency of spiral wave decreases rapidly and then slowly with the increase of the chord-wise position.

实验结果表明，螺旋波主频随着弦向位置的增大先是迅速而后平缓减小。

The general expression of the threshold gain and frequency in the DFB lasers was deduced by using the coupled wave function.

利用耦合波方程，推导出分布反馈激光器自混合干涉频率及增益变化的表达式。

The theoretical research of high frequency electromagnetic wave logging by symmetrical measurement

对称化测量高频电磁波测井的理论研究

The stealth weapons can be detected. The conventional long wave but lower frequency radar can detect the threat target of low visibility. The laser radar, the photoelectronic detection and the radar component have the ability to detect stealth target.

隐身兵器并非不可探测，采用常规的长波低频雷达可以探测低可见性目标，采用激光雷达、光电探测和雷达组网等均具有探测隐身的能力。

Experimental results about influence of gas saturation upon compressional head wave velocity, amplitude and dominant frequency

含气饱和度对纵波首波速度、振幅及主频影响的实验结果

Numerical analysis on high frequency characteristics of inner slotted rectangular waveguide grating slow-wave circuit

内开槽矩形波导栅慢波电路高频特性的数值分析

A blue green light with multi peak continues spectrum structure at 46 ￣ 560 nm generated by three wave sum frequency is also observed.

同时在460nm～560nm范围内有三波混频的兰绿光产生，其光谱呈多峰结构。

The detection of Pre-P wave was affected by the heart rate, respiratory, artefact and low frequency waves.

P前波的表达受心率、呼吸、伪差及低频波等因素干扰。

It is found that the combination of thermal relaxation and Biot mechanism leads to increment of wave velocity with two inflection points when its frequency rises.

由于热驰豫和Biot两种机制的作用导致波速在频率谱上随频率增高波速增大，并在较高温度时随频率增高出现两个拐点。

We found that the converted electromagnetic wave has symmetrical two dominant frequency crests in the spectrum.

在频谱分析中发现，转换电磁波在频率谱上存在对称的双主频峰。

In this paper, the nonlinear diffraction problem is studied with potential flow theory in frequency domain for three-dimensional floating body sailing in waves on deep water. This problem includes nonlinear diffraction problem and nonlinear wave making problem.

本文应用势流理论和频域方法研究了三维浮体在深水域波浪中航行时的非线性绕射问题，该问题包括非线性兴波问题和非线性绕射问题。

Results In the basic state of the patients with active duodenal ulcer, dominant frequency and percentage of normal gastric slow wave were lower than in the healthy subjects ( P 0.05);

结果：十二指肠溃疡病人基础状态胃电主频率、正常胃慢波百分比明显低于健康人（P0.05）；