1、

This model was used to analyze gain-clamping characteristic and the extinction ratio of wavelength-converted signal.

使用该模型分析了增益钳制特性和转换后信号的消光比.

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2、

Another male teacher, named Liao Zhengyi, came later.

后来又调来一名男老师,叫廖增益。

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3、

The log-periodic dipole antenna is a linearly polarized frequency independent antenna of moderate gain.

对数周期偶极天线属于一种具有平稳增益和宽广频宽的线性极化天线.

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4、

Methods for the realization of the radio front end, the quadrature converter and baseband processing are given, with the accuracy of quadrature phase 90 ° and equality of the inphase and quadrature signal gains being key factors.

给出了零中频接收机射频前端、正交变频和基带处理的实现方法,其中正交90°移相的准确性和正交两路输出放大器增益的一致性是关键。

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5、

In this paper, error of quadrature vector detector used in direct converting receiver is analyzed and performance deterioration caused by gain error, phase error, local oscillation leak or DC offset on receiver's inphase and quadrature channels is discussed.

本文对直接变频接收机中正交矢量检测法进行了误差分析,讨论了由于接收机同相与正交两支路的增益差异、相位误差、本振泄漏及直流偏置导致其性能恶化的结果。

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6、

Then, the key factors of blocking voltages, current gain, frequency response and power loss were analyzed by combining semiconductor physics and semiconductor device physics, together with Junction Termination Technology ( JTT), device design principles.

进而,根据半导体物理及半导体器件设计原则着重分析了影响器件击穿电压、电流增益、频率响应的主要因素,结合结终端技术分析和器件设计要点,设计一种新结构。

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7、

When Q-switch and gain switch were applied the peak pulse power was increased and pulse width decreased.

利用增益开关和Q开关双机制作用,压窄了调Q脉宽,提高了输出功率。

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8、

Unstable resonator study for a high gain KrF discharge laser

放电型高增益KrF激光器非稳腔的研究

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9、

Similar to the case of cubic nonlinear refractive index, the loss will make the width of the power gain spectra of modulation instability become narrower and the peak gain smaller.

和只有三阶非线性的情况类似,损耗也会使不稳定增益谱的谱宽变窄,谱峰减小;

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10、

Distributed Fiber Raman Amplifier ( DFRA) magnify light signal directly by using transmitted fiber as gain medium.

分布式光纤拉曼放大器(DFRA)利用传输光纤本身作为增益介质来放大光信号。

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11、

Then, EDWA is optimized based on gain characteristics from waveguide length, doping concentration, pump power and signal power.

然后,从光波导放大器的速率方程及传输方程出发,对波导增益特性进行了理论分析,在此基础上从波导长度、掺杂浓度、泵浦光功率等角度进行了优化。

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12、

The gain properties of EDWA can be investigated in each step with the help of multi-level rate equations.

对每一传输步长结合多能级速率方程计算出EDWA中光场传输强度分布,及掺铒光波导放大器的增益传输特性。

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13、

In the paper, filter of EDWA for gain flatting is expounded from design of coating system, technics of monitor and the produce or testing of sample.

本文分别从膜系设计、监控工艺以及滤光片制作与测试等方面阐述了掺铒光波导放大器增益平坦滤光片的研究和制作过程。

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14、

On the basis of Maxwell's equations coupled with the rate equations, the lasing threshold of one-dimensional photonic band edge laser is investigated by finite-difference time-domain method with the introduced effective gain distribution factor ( EGDF).

采用麦克斯韦方程和速率方程相结合的模型和时域有限差分法,利用引入的有效增益分布因子概念研究了光子晶体中本征模的阈值特性。

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15、

This paper gives an example of Ku band satellite communication link budget, and discusses the relationships between satellite gain, EIRP, carrier/ noise and other performances. Furthermore, the selection of the link parameters is analysed.

本文举例说明在一个Ku频段卫星通信链路中,卫星增益、EIRP、载波/噪声比等之间的关系,并对Ku频段卫星通信链路的参数选择进行分析。

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16、

The performance of UWB communication system, which employs RAKE receiver with maximum ratio combining and equal gain combining, is researched based on the channel models proposed by ( IEEE 802.15.3a.)

基于IEEE802.15.3a建议的超宽带密集多径信道模型,对采用最大比和等增益两种合并方式的RAKE接收机的高速超宽带通信系统的性能进行了研究。

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17、

The electro-circuit performs well in coding and meets the gain demands of the 3 GPP.

电路结构具有好的译码性能,并达到了3GPP的译码增益要求.

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18、

Features: High DC current gain and excellent hFE linearity, low saturation voltage.

特点: 直流电流增益高,放大线性好, 饱和压降低.

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19、

Without cooling the gain medium in liquid nitrogen or using gratings and complex, expensive devices, this fiber laser has the advantages of being simple and easily attainable at a low cost.

这种装置无需将增益介质放在液氮中,也不需要多个光栅选频或其他复杂而昂贵的器件,具有结构简单,易实现和成本低等优点。

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20、

The relative gain coefficient among spectrums can be calculated by the data of spontaneous radiating y coefficient-Aij Which has been know.

利用已知的自发发生系数Aij;的数据求出各条谱线的相对增益系数。

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