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- band pass crystal filter 带通晶体滤波器
- The duplexer acts as a very broad band pass filter during receiving mode and the prearnp is a low noise wide band-width amplifer that is used to amplify the echo signals. 调谐电路对系统共振频率的漂移进行实时调谐,针对以上天线和模拟电路的功能,对天线和模拟电路进行了设计。
- Sharp passband: Crystal filter and shaped audio reject QRM and QRN. 夏普通:晶体滤波器和形状的音频拒绝QRM和QRN 。
- The signal processing system consists of a band pass filter(BPF) with center frequency of 2.856 GHz and bandwidth of 10 MHz,a logarithmic detector,a analog digital converting module,and a data acquisition program based on Labview. 带通滤波器选用中心频率为2.;856 GHz、带宽为10 MHz的腔体滤波器;对数检波模块采用对数放大器AD8313芯片;模数转换模块采用NI公司的PXI-5102;上位机的数据采集程序采用Labview编写。
- The band passed and the crowd cheered. 乐队经过时人群欢呼起来
- The elementary principle is to make use of the band pass characteristic of surface acoustic wave filter (SAWF) choose SAW signal matched the direction of acceleration. This plan is also a base for enlarging measure range of SAW accelerometer. 声表面波滤波器(SAWF)是一种性能优良的新型电子器件,本文基于SAW滤波器的带通滤波性质,设计了一种新的SAW加速度计系统,它不仅实现了判断加速度方向的客观需求,而且为加速度计基本量程的扩大创造了条件。
- By modeling the 2-finger FET into CPW, the on-state millimeter-wave traveling wave switches are equivalent to the step impedance band pass filter and the design procedure is obtained. 因为二指场效电晶体可以等效于共面波导,所以行波切换器的设计就等效于步阶阻抗低通滤波器。有关细部设计流程也包含于本论文中。
- First,a finite impulse respond(FIR) band pass filter is designed based on Chebyshev approximation method,and then the windowed impulse response is used to adjust energy distribution of signal. 本文针对极窄脉冲超宽带自导信号,提出了一种基于滤波器的设计方法,首先按照切比雪夫近似方法设计有限脉冲响应(FIR)带通滤波器,然后将滤波器冲激响应做加窗处理来调节信号能量分布。
- So, when you are buying crystalline light, be about to pass crystal clear brittleness and diaphaneity carefully, will identify the crystal with good quality. 所以,您在购买水晶灯时,就要仔细通过水晶的清脆度和透明度,来识别品质好的水晶。
- It is used main for ferroelectric , piezoelectricity,electro-optic and nonlinear optical.It is made up the broad frequency band,modulator,high stabeness resonator and band pass filter etc. 主要用于铁电、压电、电光和非线性光学,可制作宽频带、调制器、高稳定性谐振器和带通滤玻器等。
- They include: Crystal, Crystal Filter, SPXO, VCXO, TCXO, SMD series Crystal Components. 工厂引购进日本、韩国、美国、德国等先进生产设备、材料及精密测试仪器;
- H-plane T-junction and E-plane transverse iris band pass filters are used in the diplexer structure. 双工器采用H面T接头和E面横向膜片波导带通滤波器。
- Band Pass Filter use for Broadcasting Station 电台专用带通滤波器
- Then, a practical 50 Hz band pass filter is proposed, which is modulated with one cycle Bartlett window and in performances better than the classical filters adopting one cyclic Fourier algorithm. 提出了一种具有实用价值的由一周波三角窗调制实现的50Hz带通滤波器。
- ultra-wideband ( UWB ) band pass filter ( BPF ) 超宽带带通滤波器
- The tunable photonic crystals filter was proposed based on one-dimensional photonic crystals infiltrated by nematic liquid crystal defect films with electrically tunable. 摘要在一维光子晶体中引入向列相液晶作为缺陷层,用电场改变液晶分子的取向,形成光子晶体可调谐滤波器。
- A band passing from the upper dexter corner of an escutcheon to the lower sinister corner. 盾带从饰有章纹的盾徽的右上角到左下角的带子
- sound surface wave band pass filter 声表面波带通滤波器
- Design of Tunable Liquid Crystal Filter 液晶调谐滤光片的设计
- A band passed around the belly of an animal to secure something,such as a saddle. 腹带围在动物腹部用以加固物体的带子,如马鞍