1) broadband low noise amplifier
宽带低噪声
1.
Microwave broadband low noise amplifier is the important part of the receiver system of radar, electron rivalry, remote measuring and remote control.
微波宽带低噪声放大器是雷达、电子对抗及遥测遥控接收系统等的关键部件。
2) low noise bandwidth
低噪声带宽
3) low-frequency broadband noise
低频宽带噪声
4) low-noise ultrabroad-band
低噪声超宽频带
1.
This paper studies the CAD technique of low-noise ultrabroad-band PIN-FET combined circuits for optical fiber communication receivers.
研究了用于光接收机的低噪声超宽频带PIN-FET组合电路的CAD。
5) noise bandwidth
噪声带宽
1.
Some realization ways of measurement are discussed,including the maximum output power,output amplitude and noise bandwidth.
讨论了低频噪声源的最大输出功率、噪声输出幅度以及噪声带宽测试的实现途径。
2.
The use of digital rating loop in Doppler radar always comes down to adjusting the noise bandwidth.
本文针对噪声带宽对测速系统指标的影响 ,对测速环路的噪声带宽选择作了详细的理论分析。
3.
Through methods of noise bandwidth and simulation, comparisons have been made between traditional supply chain and information sharing supply chain, the effect of parameters of the logistics lead times and the exponential smoothing forecast on the bullwhip effect have been analyzed.
分别利用噪声带宽和Matlab／Simulink对一个可扩展多主体线性供应链系统的牛鞭效应进行了建模与仿真研究,分析了实施信息共享前后供应链系统的牛鞭效应,探讨了物流延迟时间参数和指数平滑预测参数对牛鞭效应的影响,并给出了减弱牛鞭效应影响的相应策略。
6) broadband noise
宽带噪声
1.
To understand the flow noise generation mechanism of pump jet propulsor,this paper calculates the flow field of a torpedo pump jet propulsor,analyzes the field structure,and then calculates its broadband noise with Proudman theory.
对鱼雷的泵喷流场进行了计算,并对流场结构作了分析,然后采用Proudman理论计算了泵喷的宽带噪声,结果表明,主要噪声源区域与流场特征相一致,由此表明,流场的涡旋脉动是噪声产生的主要因素,在此基础上提出了控制泵喷流噪声的途径。
补充资料：宽带和窄带业务
宽带业务是相对窄带业务而言的，一般来说，对于速率低于2Mb/s的通信业务统称窄带业务，如电话网、N-ISDN所提供的业务。对于高于2Mb/s的通信业务，如帧中继业务、视频点播、ATM业务、TV会议等称为宽带通信业务。 目前投入应用的宽带接入技术主要有两种：ADSL和FTTX＋LAN。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条