Analysed negative feedback influence on the mucircuit s performance by the software simulation,taken as an example of the negative freeback increasing the amplification s stability, improving the waveform s distortion, really expanding the transmission bands, simply introduced EWB software s application on the analog circuit in the teaching.
通过负反馈对放大电路性能影响的仿真 ,以负反馈提高放大倍数的稳定性、负反馈改善波形失真、负反馈扩展通频带的仿真为例 ,简要介绍了 EWB软件在模拟电路教学中的应
Experimental result shows that this microphone has high sensitivity of-25 dB at 100 Hz and is locally flat in the transmission bands(20～800 Hz) at the bias voltage of 6 V.
在此基础上,探索性的研制了圆形振动膜半径为40mm,气隙厚度为50μm的低频传声器,实验表明,该传声器具有较高的灵敏度,当偏置电压为6V、100Hz时,灵敏度高达-25dB,在通频带(20～800Hz)局部平坦。
Experiments show that this kind of microphone has a more high sensitivity, which is -27 dB at 100 Hz and is flat in the transmission bands , when the bias voltage is 4.
5V时,该传声器具有较高的灵敏度,100Hz处的灵敏度约为-27dB,通频带(20～300Hz)平坦,低频响应部分(0～20Hz)需要改进方法进一步测试。
And the author describes a method for geting a wide pass band when we gesign an amplifier.
本文通过对几种放大电路的分析，阐述了放大器在电路和晶体管确定之后，“其增益与通频带的乘积基本上是个常数”这一重要概念。
At last,10~(-9)-10~(-11)A micro-current can be pass band amplified and conversion to voltage signal.
通过设计和调试,该放大器能够实现10~(-9)—10~(-11)A的电流—电压通频带转换放大,达到了设计的要求。
2 Ω,not only the protection circuit has good transfer characteristics under specified passband,but also its residual voltage is lower.
2Ω情况下配合,保护电路在规定的通频带下不仅传输特性较好,而且冲击后的残压也较低。
There is always a smooth transition between passband and stopband.
通频带和抑止频带之间总是存在一个“平滑切换点”。
Analysis of Partial Discharge Impulse Frequency Spectrum and Selection of Pass Bandwidth of a Partial Discharge Measuring Device
局部放电脉冲频谱的计算分析与局部放电测量装置通频带的选择
receiver channel RF bandwidth
接收机射频通道带宽
European Wideband Communications System
欧洲宽频带通信系统
Research on Dual-band Filter Based Based on Parasitic Passband
利用谐振器寄生通带的双频带通滤波器设计
steel-tape armoured lead sheathed high-frequency communication cable
铅包钢带铠装高频通信电缆
steel-tape armoured lead sheathed low-frequency communication cable
铅包钢带铠装低频通信电缆
In data communications, a high bandwidth channel.
数据通信技术中,一种宽频带的信道。
Such as a function is known as a band-limited function.
这样的函数通称为有限频带函数
Efficient broadband evaluation of communication antennas
快速计算通信天线宽频带内的电特性
On Space-Time-Frequency Codes for Broadband Wireless Communication Systems;
宽带无线通信系统中空时频码的研究
Analysis and Implementation of RF Active Bandpass Filters Using CMOS Technologies;
射频有源CMOS带通滤波器的分析与实现
Research on Optimal Design Approach of Multi-band FIR DF in Frequency Domain
多通带FIR DF频域优化设计方法研究
Bandpass sampling of multiband signals in software defined radio
软件无线电中的多频段信号带通采样
Design of a CMOS Low-IF Active Complex Bandpass Filter
CMOS低中频有源复数带通滤波器设计
Research on Compact Wideband Planar Inverted-F Antenna for Mobile Communication Terminals
移动通信终端小型宽频带PIFA天线研究
Study on Narrow-band Interference Rejection in Spread Spectrum Systems
扩频通信中窄带干扰抑制技术的研究
Research and Design on GSM-R Band Microstrip Bandpass Filter;
GSM-R频段微带带通滤波器的研究与设计
