查询词典 square wave

Production and development of the plasma shock wave during the ophthalmic operation have been studied by exploring an eye model simulating the laser operation.

本文根据对眼模型模拟激光手术过程的探测，研究了眼科激光手术中等离子体冲击波的产生和发展过程。

Then the paper describes the Short-Wave Modem in details, especially the format of commands between the Modem and the computer through the RS-232 interface.

接着详细介绍了电台与PC机的通信设备——短波Modem的工作情况，着重介绍Modem与PC的命令格式。

On the basis of the geological engineering conditions and rock mass quality classification, the change of wave speed of rock mass is used to analyze systematically the control of dissolution of calcareous sandstone over rock mass quality. The modificatory standard of rock mass quality classification was bring and the system of rock mass quality classification in the hydroelectric station.

论文在坝址区工程地质条件评价及岩体质量分级的基础上，利用岩体弹性波速的变化，深入研究了钙质砂岩溶蚀对岩体质量的控制作用，提出初步的岩体质量分级修正标准，得到坝区的岩体质量分级体系。

The longitudinal component of electromagnetic wave propagating in fiber can be expressed by Based function or the modified Bessel function of second kind. Based on this principle, we put forward a simple method for generating a Bessel beam with glass capillary and focusing lens.

对光纤中传播的电磁场分析发现，其纵向分量可以用贝塞耳函数及第二类变态贝塞耳函数来描述，据此，提出一种利用玻璃毛细管和聚焦透镜实现贝塞尔光束的简易方法。

The State Council develops wave of Liu Ren of vice director of institute of economy of research center market to ever was analysed, overall the manufacturer enters modular group to must have two premise: It is liquid crystal sales volume enough big, 2 it is technical capability enough strong.

国务院发展研究中心市场经济研究所副主任陆刃波曾分析，整机厂商进入模组必须具备两个前提：一是液晶销量足够大，二是技术能力足够强。

A modularized program of plane wave methodis designed to calculate two-dimensional photonic band structures.

并编制了计算二维光子晶体光子带结构的平面波法的模块化计算机程序；研究了方形、三角形复式晶格的光子带结构，发现了三类存在绝对光子带隙的电介质圆柱在空气中排列的光子晶体晶格结构。

A radio wave that can be modulated in order to transmit a signal .

一种可被调制以传输信号的无线电波。

The calculation of the characteristic parameters of electrooptic travelling-wave modulator electrode is the basis of analysis and optimization .

电极特性参量的计算是分析调制器机理和优化设计的基础。

A progrom block for the modulatory wave of slue pulse width that is developed by microcomputer and it s related problems are introduced in this paper .

本文介绍了利用微机生成正弦脉宽调制波形的一种程序框图及其相关的问题。

From many experiments conducted by the author on the dynamic behavior of soil inrecent years it has been found that the propagation velocity of elastic wave,shear modulus andthe coefficient of subgrade rigidity in homogeneous soil tends to vary with depth.

近几年来，作者在对土的动性能所作的多次实验中，发现匀质土中弹性波的传播速度、剪切模量、地基抗压刚度系数有随土层深度而变化的现象。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。