This paper design a 4-step band pass digital filter.
本文设计了一个4阶带通数字滤波器。
This paper lays emphasis on the designing of four-step band pass filter, and gives the details of design method and debug process.
重点介绍了四阶带通滤波器的设计方法，并给出设计思路和调试方法。
This paper laid emphasis on the designing of four-step band pass filter, and gives the details of design method and debug process.
重点介绍了四阶带通滤波器的设计方法，并给出设计思路和调试方法。
The author's solution to this problem is to use a tuneable RF preamplifier which also acts as a low pass filter when tuning the low end of the 88-108 MHz band where most of the exotic channels lie.
作者的解决这个问题是使用可调谐射频前置放大器这也渠道作为一个低通滤波器调谐88-108兆赫时，低端的带异国情调的地方大部分的谎言。
This paper introduces the basic principles of the band pass filter, laying emphasis on the designing of four-step band pass filter, and gives the details of design method and debug process.
简要介绍了带通滤波器的原理，着重说明四阶带通滤波器的设计方法，并给出设计思路和调试方法。
This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter.
该文讨论了在合成孔径雷达实时成像处理器中，采用子孔径带通滤波成像处理方法的方位预处理的设计，构造了一种用大规模可编程逻辑器件实现方位预处理的电路结构。
Studies the resonator frequency temperature characteristic, then designs the middle-frequency tracking band pass filter.
研究了谐振子频率的温度特性并设计了频率跟踪带通滤波器。
A pre-amp component, such as a band-pass filter (32), causes linear distortion.
放大器前的部件，诸如带通滤波器(32)，引起线性失真。
A multilayer band pass infrared thin film optical filter has been designed and manufactured which use lead telluride and zinc sulfide as thin film materials.
采用碲化铅和硫化锌作为镀膜材料，研制了空间红外光学系统使用的红外多层带通滤光片。
In this paper, the change pattern of the cutting vibration signal during the transient processes and the effect of the parameters of band pass filter on the signal transmission are analyzed.
本文分析了切削振动信号在此过渡过程中的变化规律以及带通滤波器对信号传输过程的影响。
This article has designed an elliptic low pass filter for the generation of base band signals in a wideband chirp source.
对宽带线性调频源中基带信号产生时所用的低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冲调宽再平衡回路的一个重要部分。
An active LC band pass filter 10 includes a single LC pair and a plurality of active amplifiers providing a number of separate resonance circuits.
有源l C带通滤波器10包括提供多个分离的谐振电路的单个LC对和多个有源放大器。
It is considered by analysis that the fault plane reflection relies on the mechanical attributes of infilling materials and is characteristics of band pass filter when infilling materials are fluids.
经分析认为，断层面反射依赖于充填介质的力学属性。在流体充填时，断层面对透过波表现为带通滤波特性。
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 principle and characteristic of the signal generated lay the sensor is analyzed. The narrow pass band following up filter, which fits to regulate the signal, is designed.
分析了该光电传感器的工作原理及信号特点，设计了适合处理该信号的窄带通跟踪滤波器。
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。
By applying frequency analysis method to a standard active band-pass filter circuit, a formula to calculate characteristic frequencies is offered.
根据标准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。
The configuration of the electrical tunable band-pass filter is optimized based on the pseudo-combline, and the improved filter is tuned with capacitors at both the two ends of the filter.
介绍了电调谐滤波器设计原理及在同址干扰中的应用，采用伪梳状线思想对传统结构滤波器进行优化，提出两端均为电容调谐的电调滤波器结构。
The method utilizes an AR model to approach the frequency response of the clutter spectrum "inverted" ideal band-pass filter, and then implements the design of optimal FIR filter.
该方法利用AR模型逼近杂波谱“倒置”理想带通滤波器的频率响应，实现了最优FIR滤波器的设计。
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。
To reduce the construction size of narrow band pass filter, it is needed to look for the coating materials with high refractive index.
为了简化窄带光学滤波器的结构，需要寻求更高折射率的膜层材料。
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踪带通滤波器的设计。
In the paper, the calculating method of signal extraction filter pass-band according to the paper-counting speed and the utility circuit of separating strong interference in pass-band are given.
并针对点钞速度给出了信号提取滤波器通频带的计算方法，以及在带内分离强干扰的实用电路。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
The key technique of this new filter is how to achieve the extreme narrow band-pass width and a slight deviation of central frequency.
如何实现极窄的通带宽度和极小的中心频率偏差是研制中所解决的关键技术问题。
This paper analyses the characteristics of noise and presents the mernod of promoting S/N by inserting a band-pass pre-filter, which can reduce the Pe in data communication under small signal.
通过对噪声特性的分析，提出了用前置带通滤波器来提高信噪比的方法，改善微弱信号时数据通信的效果。
This paper analyses the characteristics of noise and presents the mernod of promoting S/N by inserting a band-pass pre-filter, which can reduce the Pe in data communication under small signal.
通过对噪声特性的分析，提出了用前置带通滤波器来提高信噪比的方法，改善微弱信号时数据通信的效果。
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