the multi-parallel- magnification circuits and the band-pass filter can well restrain random interfering noise, especially generated by test run vibration.

适配电路中的多级并联放大电路、带通滤波器对试车过程中的随机干扰信号，尤其是振动引起的噪声具有很强的抑制作用。

the block is a band-pass filter or a high-pass filter in essence, thereby the block causes severe noise amplification, and the accuracy of measurement system is infected.

该环节本质上是一个带通或高通滤波器，补偿环节的增加将引起严重的噪声放大，影响测量系统的精度。

the difficulty to choose the band-pass filter can be avoid by the adaptive resonance demodulation method presented here.

这里提出的诊断滚动轴承故障的自适应共振解调法避免了带通滤波器难以选择的困难。

the three-idt saw band-pass filter is designed, followed by a discussion of effects of different window functions on the characteristics of the interdigital transducer.

设计了三叉指换能器结构的声表面波带通滤波器，研究了叉指换能器采用不同窗函数对叉指换能器特性的影响。

by applying frequency analysis method to a standard active band-pass filter circuit, a formula to calculate characteristic frequencies is offered.

根据标準有源带通滤波器原理，采用频域分析法，可得出有源带通滤波器的特征频率计算公式。

based on the characteristic of the wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.

并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟蹤带通滤波器的设计。

for the two filters, cascade approach and ladder approach are adopted, respectively. through cascading the two sections the band-pass filter is implemented.

本文对高通滤波器和低通滤波器的设计分别采用两种不同的方法——级联法和梯形法，然后把这两部分级联起来就实现了带通滤波器。

the bandwidth controlling model of magneto-static surface wave (mssw) band-pass filter is established based on the theory of anisotropy dispersion and transmission.

根据静磁表面波的各向异性色散与传输基本理论，建立了静磁表面波带通滤波器的带宽控制模型。

band-pass filter (bpf) role is to allow a certain period of signals within the frequency range, while blocking signals outside this band.

带通滤波器（bpf）的作用是答应某一段频带范围内的信号通过，而将此频带以外的信号阻断。

this paper introduces a band-pass filter circuit which is used in time gain compensation of medical ultrasonic endoscope imaging system.

根据内窥超声成像系统的要求，设计一种用于超声增益补偿中的改进结构带通滤波电路。

new method to blind sources separation based on band-pass filter has been proposed in this paper on the basis of analyzing the present methods of blind sources separation.

本文在分析现有盲源分离算法的基础上，提出一种新的、基于带通滤波的改进盲源分离方法。

then the design methods of the parallel coupling sir band-pass filter has been discussed, and analysed the different characteristic of the sir resonator with the different impedance rate.

之后，用sir的原理讨论了平行耦合带通sir滤波器的设计方法，并分析了不同阻抗比的sir滤波器之间特性。

the latter module was used to collect signal, filtrate signal with band-pass filter and amplify it.

信号采集、放大模块采集传感器信号，用带通滤波器滤除其中的干扰脉沖，并将信号放大。

the variable center frequency band-pass filter is designed by optimization technique and one-pole roll-off model is used to deal with the operation amplifier of the filter.

本文采用单极点转移模型处理运算放大器，应用最优化方法对可变中心频率带通滤波器进行了设计。

active band-pass filter is a important section of pulse width modulated rebalance loop.

有源带通滤波器是脉沖调宽再平衡回路的一个重要部分。

using band-pass filter can make the signal bandwidth less than the channel bandwidth, so voice signal will more matching channel.

为了使语音信号更好的在信道中传输，可以经过带通滤波器使信号带宽小于信道带宽。

this paper described the conventional parallel coupled microstrip band-pass filter design methods;

文章首先阐述了传统的平行耦合微带带通滤波器的设计方法；