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- 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。
- Low pass filter is used to filter PWM frequency on the BEMF signal. 通常使用低通滤波器来滤除PWM波对反电动势的影响。
- Low pass filter and mean filter fail to eliminate the diversities. 通过引入脉动假设,对信号的差异进行了分析。
- 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。
- 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。
- 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。
- Interference signals can be reduced by means of the input low pass filter. 输入低通滤波器能减少干扰信号。
- 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。
- The system utilizes a Supersonic Wave Filter positioned in front of the CCD, between the low pass filter and the shutter. 不是抖低通,低通抖不得。超声波滤镜是安装在快门后面,低通前面的单独机构!
- Band Pass Filter use for Broadcasting Station 电台专用带通滤波器
- One of them detects R wave usingband pass filter which can removeT wave baseline and muscle arti-facts. 一种基于带通滤波器的电子线路能有效地抑制T波和肌电干扰,去除基线漂移,正确检出R波。
- 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。
- Three-order low pass filter is implemented by one order Sallen-Key circuit and two-order Sallen-Key circuit. 三阶的低通滤波器使用一个一阶Sallen-Key电路串联一个二阶Sallen-Key电路来达成。
- The CCD signal preamp with low pass filter is used to minimize the readout noise. 通过使用带低通滤波器的前置放大器降低了读出噪音,研究了读出噪音与读出速度的关系。
- The SI low pass filter is simulated using ASIZ and verified to be able to meet the needs of time-domain CWT. 对开关电流低通滤波器用ASIZ进行仿真,结果证实其性能完全满足实用要求。
- He left when the band began to beat out pop music. 乐队一奏起流行音乐他就走了。
- The band played a military march. 乐队吹奏军队进行曲。
- Based on Legendre multinomial, a new kind of low pass filter prototype is designed out after analyzing the design rule and inefficiency of some classical filter prototypes. 摘要分析了几种经典的滤波器原型设计原理及其自身不足,基于勒让德多项式,给出了一种新的低通滤波器设汁原型。
- A live band is always a good draw at a party. 现场演奏的乐队在聚会上总是很吸引人的。