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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。
- A time domain recursive low pass filtering algorithm based on Kalman filtering theo-ry is analyzed. 分析了一种基于卡尔曼滤波理论的时域递归低通滤波算法。
- Experimental results show that the algorithm in this paper is robust to many attacks, such as noise addition, low pass filtering and resampling. 仿真实验结果表明,该音频水印算法对噪声干扰、低通滤波和重新采样等信号处理具有更好的鲁棒性。
- Experimental results show that robust watermark is robust to many attacks, such as MP3 compression, low pass filtering, noise addition, requantization, resampling and so on. 实验结果表明,鲁棒水印对MP3压缩、低通滤波、加噪、重量化、重采样等信号处理攻击具有很强的鲁棒性;
- Based on the chirp-encoding and high Pass filtering, the multitarget detectionusing a chirp-encoded joint transform correlator with high pass filtering is proposed. 根据啁啾编码的原理和高通滤波的方法.;提出使用啁啾编码的高通滤波的联合变换相关器作多目标检测。
- After embedding the watermark, this article discussed the resistance against the attacks such as MP3 lossy compression, noising adding,low pass filtering and resampling. 水印嵌入后,本文讨论了水印对MP3有损压缩、添加噪声、低通滤波以及重采样等攻击的抵抗力。
- 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
- He left when the band began to beat out pop music. 乐队一奏起流行音乐他就走了。
- 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。
- The band played a military march. 乐队吹奏军队进行曲。
- 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。