Two Half Band filters and a SINC filter are designed for 64 times over sample.
用两个半带滤波器和一个梳状滤波器来实现64倍的过采样。
The main work and achievements are as following: 1 Proposed the approach to design the false high-passed broad band filter.
主要工作和成果如下：1、赝高通宽带带状线滤波器的设计。
To compensate for these shortcomings, this paper proposes a new technique based on the folded half-band filter design methods.
为了弥补上述的不足，文中提出了一种基于折叠技术的新的半带滤波器设计方法。
The preprocessor can extract clock information from NRZ data stream, which consists of a delay cell, a multiplier and a narrow-band filter.
预处理器主要有延迟单元、乘法器和窄带滤波电路构成，可以从NRZ数据中得到时钟信号。
Then according to the request of down-speed signals processing, the extraction scheme and the detailed half band filter design are provided.
然后根据降速率信号处理的要求，给出了本文所使用的抽取方案以及具体的半带滤波器设计。
According to coupled wave theory, the volume hologram has a good property for light filtering and can be used as a kind of narrow-band filter.
根据耦合波理论，体积全息图有很好的滤光特性，可以作为一种窄带滤光片在实际中得到应用。
A photonic crystal narrow band filter at green light wave band is designed with optical transfer matrix method, and some factors affected are studied.
利用传输矩阵法设计了一种适用于绿光波段的光子晶体窄带滤波器，并研究了影响滤波器特性的多种因素。
The dual-band filter consists of two dual-mode resonators with rectangular- loop perturbation on different layers, which need only single input and output.
该双通带滤波器包含两个方环形谐振器，它们位于不同层，并利用同一输入输出耦合结构实现双通带滤波器。
Finally, the system components, measurement procedure and measurement results of the stray light measurement system, using narrow-band filter, are introduced.
最后，介绍了使用窄带滤光片测量星载超光谱成像仪杂散光的测量系统组成、测量步骤和测量结果。
Because of its ability of tracking, acquisition and operating as a narrow-band filter, PLL is widely used in many fields such as astronautics, communication, microprocessor, and so on.
由于锁相环具有捕获、跟踪以及窄带滤波的能力，因此它被广泛地应用于航天、通信以及微处理器等许多领域。
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。
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。
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。
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。
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。
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 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。
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 filter test head is heated with band heater and a digital controller regulates the temperature of the entire filter head very accurately with auto tuning function.
过滤测试头通过带状加热器加热，同时通过一个数字控制器和自动调整装置精确地控制整个过滤测试头的温度。
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。
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。
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。
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。
Assisted by other bands high frequency geometric information, reconstruct noise band image with wavelet reconstruction filter to de-noise noise band image.
以其他波段的几何信息辅助噪声污染波段重构，经过相应的小波重构滤波器滤波，获得该波段图像的重建以进行消噪。
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。
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。
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。
应用推荐