查询词典 continuous wave

The design and make of a simple electric arc plasma generator;2. Mathematics expressions of arc curr en t are deduced considering the circuit resistance of the arc furnace,based on the assumption that electric arc voltage follows rectangle wave,and the elect ric parameters related to continuous and non-continuous electric arc are obta ined.

推导了在假定电弧电压为矩形波条件下，电弧电流的瞬时值数学表达式，明确了电弧连续性与随操作参数I/Is之间关系，推导中考虑了线路电阻的影响；分别求得了电弧连续与不连续情况下的无量纲电气参数；得到了电弧连续性准则；给出了计算临界功率因数的线性高精度近似计算式。

Quasi-continuous wave radar has a bright future for application in the high-teeh war.It is at a premium in many countries based on its advantages and has become a hot spot inthe technical field of radar.

中断连续波雷达在未来的高技术战争条件下，具有广阔的应用前景，它以其固有的优点，近年来倍受世界各国的青睐，成为雷达技术研究领域的热点。

Based on the theoretical results, quasi-continuous wave with pulse width of 80 ps was lunched into a 70m long nonlinear PCF and SC with the spectral range from 1300 nm to 1700 nm was generated, covering the whole communication window.

在理论研究基础上，将脉冲宽度为80 ps的准连续光耦合入70 m长的非线性光子晶体光纤，获得了覆盖整个通信波段的超连续谱，波长范围1300～1700 nm。

This paper expouds the characteristics of quasi-continuous wave radar,and compares the pulse Doppler radar with CW radar and quasi-CW radar.

阐述了准连续波雷达的特点，并对脉冲多普勒雷达、连续波雷达和准连续波雷达进行了比较，结果表明准连续波雷达优于脉冲多普勒雷达和连续波雷达。

At last this paperintroduced the multi-interval cycle MTI and applied it to the pseudo-random-codephase-coded quasi-continuous wave radar.This work achieved valuable simulation result.

论文最后将多间隔周期MTI应用于伪码调相中断连续波雷达的固定杂波对消，得出了有价值的仿真结果。

Here we report the quasi-continuous wave operation of 808urn Al-free InGaAsP/GaAs high-power 1-cm-wide laser array bar.

报道了808nm无铝InGaAsP／GaAs高功率准连续阵列半导体激光器。

The pseudo-random-code phase-coded quasi-continuous wave radar is in research interiorly.

国内对于伪码调相中断连续波雷达的研究工作正在开展中，某些关键技术的研究仍需不断深入。

In order to obtain more exact analytical solution to study the output characteristics of double-clad fiber lasers,according to the continuous-wave rate equations of fiber lasers,using typical parameters of double-clad fiber lasers,the contribution of the re-emission effect arising from the interaction between the upper-level atoms and pump light was estimated.Taking into account the predominant part of the re-emission to improve the accuracy of the integration approximated rate equations,the integration of the product of the loss and radiation should be found and explicit analytical expressions for the output of the DCFLs and gradient efficiency of the pump radiation,were deduced,and certain issues of concern were discussed.

为了求得用于研究双包层光纤激光器输出特性的更为精确的解析解，根据稳态速率方程组，针对典型的双包层光纤激光器参量，在估计了上能级粒子再发射项和抽运光产生的影响后，采用保留再发射贡献主导部分的办法以提高可积分近似方程的精确度，明确地提出了要获得光纤激光器输出功率的解析表达式的关键在于求出损耗系数与光场乘积的积分值，简洁地求得了输出功率和抽运光斜线效率的显函数解析表达式，并对其相关问题进行了讨论，以915nm，920nm和975nm的抽运光为例，当输出激光为1090nm时，得出975nm抽运光产生的斜率效率最高并可高达约87%。

Frequency modulated continuous wave synthetic aperture radar,which combines FMCW technique with synthetic aperture imaging methods,has such advantages as small volume,light-weight,costeffective,high-resolution.

1引言合成孔径雷达具有全天候、全天时、强透射性和高分辨率等优点，已成为重要的军事侦察手段，调频连续波SAR具有体积小、重量轻、成本低和分辨率高等优点，因此，人们对FMCW SAR越来越关注[1-2]。

By employing the transformations of variables and functions, the exact bright soliton solution on a continuous-wave background is obtained in quadratures, and is discussed in detail. From the behavior of the exact solution in exponential control fiber system, the conclusion can be obtained that soliton in a proper fiber system can be compressed or broadened.

通过变量和函数变换得到方程的精确解为连续波背景下的亮孤子解，并对精确解在不同情况下的具体行为作了详细讨论，以指数分布控制系统为例说明：当选择适当的光纤控制参数时，孤子可以被压缩/展宽。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。