功率增益

增益克尔介质中扰动功率增益和B积分值的关系

Power gain of perturbation traveling inside amplifying nonlinear medium in terms of Breakup-integral

将芯片各个模块参数指标输入ADS软件进行系统级仿真，并验证传输链路功率增益的计算结果。

Sending the chip internal modules parameters to ADS software for system level simulation , and confirmed the calculation results of the transmission link power gain .

GaAsFET噪声系数和资用功率增益的测定

Determination of GaAs Microwave FET Noise Figure and Available Power Gain

同时要求发射支路的发射功率增益不低于20dB，输出功率要高于0.7W，信号的要求从H面输入输出。

The Gain and output power of the transmitter is higher than 20 dB and 700 mW .

在数值求解具有增益的非线性介质中振幅和位相扰动耦合波方程的基础上，研究了扰动的功率增益G随B积分值变化的情况。

Numerical calculations have been used to solve wave equations coupling amplitude and phase of the light , applicable to the amplifying Kerr medium , studies have been made on the power gain of the perturbation varying with the break-up integral ( i.e. B-integral ) .

最后以对数周期天线为例，利用Matlab语言编程计算了不同波束指向上最大功率增益所需的激励，得到了最优激励时阵列的各种电参数。

Finally taking the log-periodic dipole antenna ( LPDA ) as an example , and using Matlab language program , the excitation of the maximum power in different directions of the beam is calculated and different electrical parameters of the array are obtained .

最后，从功率增益、空间相关性、信道秩和奇异值分布等方面讨论了基站协作相对于传统MIMO具有的潜在优势，从根本上分析了基站协作产生容量增益的原因。

Finally , advantages of BSC compared with conventional MIMO are discussed in terms of power gain , spatial correlation , channel rank and singular value distribution , and reasons of capacity gains caused by BSC are analyzed .

为了能达到要求的功率增益，接收端采用了两级低噪放、一个可控增益放大器组成，发射端采用一个MMIC功率放大器。

To meet the needed power gain , the receiving end uses two cascaded LNA , an amplifier with AGC , a MMIC power amplifier was used in the transmitting end .

为了老炼国家同步辐射实验室200MeV直线加速器新陶瓷窗，制作了一个功率增益4.5，最高峰值功率60MW的波导行波谐振环。

A travelling wave resonant-ring was constructed for RF window high power test of NSRL 200 MeV Linac .

本文给出了可同时测量GaAsFET噪声系数和资用功率增益的改进方法，以及对有耗匹配网络设计和损耗的定量分析方法。

In the paper , an improved method for the simultaneous determination of GaAs FET noise figure and available power gain is given a method for the design of loss matching network and quantitative analysis of its loss is also presented .

然而LDMOS的寄生输出电容又会直接影响器件的输出特性，包括功率增益、附加功率效率等，使输出匹配的设计更为困难。

However , the parasitic output capacitance of LDMOS will directly affect its output characteristics , including power gain , power-added efficiency , and so on , especially , can make the design of output matching harder .

在理想相干检测的情况下，8相相移键控（8-PSK）方式的网格编码调制（TCM）与QPSK方式相比，可以得到较高的编码功率增益，且不会增加系统所需的带宽。

Trellis-coded modulation ( TCM ) in 8 phase-shift keying ( 8-PSK ) scheme is more power efficient than uncoded quaternary phase - shift keying ( QPSK ) at the same spectral efficiency in the case of perfect coherent detection .

将选极晶体管应用在UPS-500电源的输出电路中。获得组态匹配和较高的功率增益。

Electrode selective Transistor is used in output electric road of UPS-500 . Combination state match and power with higher efficiency is gained .

在1GHz频率下，电路噪声为1.59dB，功率增益为14.3dB，输入驻波比为1.6，输出驻波比为2.0。

The MMIC is measured to have a noise figure of 1.59 dB , a power gain of 14.3 dB , and an input and output VSWR of 1.6 and 2.0 at 1 GHz .

脉冲压缩系统中气体开关对功率增益的影响

Effects of gas switch on power gain in pulse compressed system

天线阵列获得最大功率增益时最优激励问题分析

Analysis of the Optimized Excitation for Maximum Power Gain of Antenna Arrays

该放大器具有功率增益高、频带较宽、噪声系数较小的特点。

The amplifier features high power gain , wide bandwidth , low noise figure .

最大功率增益为9.4，压缩效率为24.4%。

Thus the maximal power gain is 9.4 and the compressing efficiency is 24.4 % .

从微波性能方面来看，热电子效应器件的输出功率增益大幅度下降。

From the view point of microwave performance , hot electron effect induces power slump .

研究表明，共栅共源器件的第二栅压对的器件饱和电流与跨导有明显的调制作用，容易实现功率增益控制。

The second gate bias will remarkably affected saturation current and transconductance and realize power gain control .

晶体管匹配功率增益

Transistor matched power gain

对该芯片的内部模块及参数指标进行了简要地剖析，并计算了信号的传输链路功率增益。

Analyzing the chip internal modules and parameters , and calculating the signal power gain of transmission link .

多波长泵浦宽带拉曼放大器功率增益研究

Optimal Design of Raman Amplifier Pumped by Multi-wavelength Low Power Dioxides Investigating the gain of multi-pumping broadband Raman amplifier

而且灰尘颗粒在介质中的位置，颗粒的大小对功率增益谱的尖峰都有影响。

Both the location in the beams and the size of dust particle influence the peaks of power gain .

实验表明，共栅器件的第二栅压会显著影响器件饱和电流与跨导特性，从而控制功率增益。

The second gate bias will not only remarkably affect saturated current and transconductance , but also realize power gain control .

当振幅调制为灰尘颗粒时，功率增益谱出现起伏，并且产生尖峰。

As the modulation of amplitude is dust particle , the fluctuation and peaks are shown in the power gain spectrum .

级间匹配网络的实现，可以使整个电路的功率增益、噪声系数等关键性能指标得到改善。

The realization of the inter-stage matching network can improve the performance of key parameters , such as power gain and noise figure .

两级芯片级连后，功率增益约27dB，在40Gbit/s速率下得到清晰的眼图。

Using two chips cascade connection the amplifier can get 27 dB power gain , and clear eye diagram at 40 Gbit / s rate .

当尖峰在低频处时，尖峰使功率增益下降，当尖峰在中、高频时，尖峰使功率增益上升。

The peaks at the low frequency part reduce the power gain and that at the middle and high frequency part rise up the power gain .

但是，作为一个射频器件，它的寄生电容会直接影响到器件的功率增益等输出特性，使得输出匹配设计变难。

But , as a RF device , its parasitic capacitance will impact many output characteristic such as power gain and make the output match more difficult .