Finally, by using the method a 2-order lumped band-pass filter (BPF) is designed and developed.
最后利用该方法设计并制作了一个二阶集总带通滤波器。
Finally the BPF is compared with other BPFs, and the results show that it has application value.
在工程应用上与其他发射机滤波器进行比较，表明具有应用价值，可用于无线广播、移动通信等领域。
Objective to evaluate the diagnosis and therapy of post-pneumonectomy bronchopleural fistula (BPF).
目的探讨肺切除术后支气管胸膜瘘的诊断与防治特点。
First of all, the reasons of the effects of BPF group delay on the OFDM system is deduced in theory.
首先从理论上分析了射频BPF的群时延特性对OFDM系统产生影响的原因。
The result of the research supplies a reference to the design of group delay of BPF in the RF system.
本文的研究结论为射频系统中设计发射机BPF的群时延特性设计提供了参考依据。
Two parameters are used to specify the characteristics of a BPF: passband centre frequency and resonance bandwidth.
带通滤波器的特性通过两个参数表示：带通中心频率和共鸣带宽。
Three kernel filter mechanisms were introduced in the paper and working principle of BPF was analyzed emphatically.
本文介绍了三种内核过滤机制并重点分析了BPF的工作原理。
Except those, the thesis emphasize mechanism of filtration based on BPF that Monitoring System of Computer Network relates to.
其中着重阐述了本系统中采用的基于BPF 的过滤机制。
We also made the COF using frame memories and digital BPF and adders and digital balancer. The COF filter's feature is required.
利用帧存储器作延迟线，结合数字带通滤波器、加法器和数学平衡器等组成数字梳状滤波器，形成所需要的滤波特性。
This paper is to research the effects of the RF BPF group delay characteristics on the bit error rate (BER) of the OFDM receiver.
本论文主要研究OFDM系统中的射频BPF的群时延特性对OFDM接收机误码率的影响。
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。
The deduced result shows that the non-ideal group delay characteristic of BPF will cause interference on the output signal of the OFDM system.
通过理论推导得出非理想的BPF的群时延特性，对系统输出信号会造成干扰。
Block Pulse Function (BPF) is applied in analysis and synthesis of optimal control for PWM systems, and a piecewise constant solution is obtained;
块脉冲函数（BPF）用于PWM系统的分析及最优控制，获得分段恒定解；
In this paper, based on a narrow IIR BPF cascaded by an adaptive FIR filter, a novel fast adaptive algorithm for sinusoid frequency detection in noisy environment is depicted.
提出一种新的自适应算法估计被噪声污染的正弦波信号的频率，依据IIR窄带滤波器和自适应FIR滤波器的级联，形成快速有效的自适应算法。
Conclusion the lower limit of 95% confidence inter mathematical relationship between BPF and age could be used as an objective criteria for automatic quantification of brain atrophy with computer.
结论BPF与年龄之间函数关系的95%可信区间下限，可作为计算机自动定量诊断脑萎缩的客观标准。
Experimental results show that under the effect of the rotor wake, the dominant frequencies of pressure fluctuations on stator blades are the rotor blade passing frequency (BPF) and its harmonics.
实验结果表明：在转子尾迹的影响下，静子叶片表面的波动频率是转子的尾迹频率及其倍频。
The transmission function and the amplitude-frequency characteristic of the filter is deeply analyzed. This filter guarantees the system precision as the components of the BPF were picked with choice.
带通滤波电路是本系统消除噪声的关键部分，论文深入分析了带通滤波器的传输函数和幅频特性。
The transmission function and the amplitude-frequency characteristic of the filter is deeply analyzed. This filter guarantees the system precision as the components of the BPF were picked with choice.
带通滤波电路是本系统消除噪声的关键部分，论文深入分析了带通滤波器的传输函数和幅频特性。
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