pass filter

It is described in this article that a hi precision optical monitor system which is used in the coating of DWDM ( Dense Wavelength Division Multiplexing) narrow band pass filter.

叙述了新研制的适用于DWDM窄带滤光片成膜控制的高精度光学膜厚监控系统。

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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。

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It is proved by theory and experiments in this paper that ( a) the results of step-progressive accumulation ( SPA) is essentially a narrow band-pass filter.

本文由理论与实验证明步进累加方法本质上是一种狭带的带通滤波的选择接收方法。

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Sound surface wave band pass filter a small portable timepiece.

声表面波带通滤波器一种小的易携带的表。

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Active component isd and reactive component isq can be obtained by coordinate revolution transformation on the basis of stator voltage vector orientation. Then the low pass filter and the inverse transformation are used to get the three-phase currents in ABC coordinate systems.

该方法通过基于定子电压矢量定向的旋转坐标变换，得到的定子电流的有功分量isd和无功分量isq，低通滤波后再反旋转变换到ABC坐标系下，从而进行电流的极性判断。

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Application of Variable Band-Pass Filter to the Noise Processing of CCD Output

可变带通滤波器在CCD噪声处理中的应用

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The repetitive control algorithm includes scalar gain of the reference input with a lead block in the signal generator. A second-order low-pass filter provides compensation in the controller.

该算法中在输入参考信号处直接增加一个比例增益环节，在信号发生器处串联一个超前的时滞环节，并且用一个二阶低通滤波器作为控制系统的补偿函数。

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The Optimization Design of a Variable Center Frequency Band-Pass Filter

可变中心频率有源带通滤波器的优化设计

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The results showed that fluorescence spectra could be derived from reflectance difference spectra under illuminations with and without long pass filter.

结果表明利用长波通滤光片测得的表观反射率差值光谱可以代表荧光光谱，在红光区和远红光区表现为明显的双峰特征。

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A new model about measuring harmonics on line is proposed. Through band pass filter, sampling store and the circuit of monitoring on line with artificial neural network ( ANN), we can obtain the harmonics signal.

提出了一种新型电网谐波在线监测系统模型，通过带通滤波器，采样存储器以及神经网络的在线监测电路，取得谐波信号，最终达到谐波补偿的目的。

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Meanwhile the test data of high Q value band-pass filter is given out.

同时，还给出了高Q值窄带带通滤波器的测试数据。

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The Application Research of DOE in the Optimal Design of Band-pass Filter Circuit

DOE在有源滤波器优化设计中的应用研究

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The process of code auto-generation and parameter configuration are being described in a detail by designing FIR low-pass filter as an example.

以设计FIR低通滤波器为例，详细介绍了代码自动生成过程及参数配置。

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Application of Zero Pole Structured Spectrum Analyzer in the Extreme Narrow Band Low Pass Filter

滑动滤波器型谱分析器在极窄带滤波中的应用

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Design and Realization on the Low Frequency Band Pass Filter with Center Frequency Adjustment

中心频率可调节的低频带通滤波器设计与实现

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Design, modulation and application of the active band-pass filter

有源带通滤波器的设计、调试与应用

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The phase-locked loop band-pass filter and the logarithmic amplifier is adopted in the circuit to insure the reliability of receiving signal.

电路中采用锁相带通滤波器和对数放大器，保证有效信号的可靠接收。

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Theoretical Analysis of Tunable Microwave Photonic Band-Pass Filter

可调谐微波光子带通滤波器的理论分析

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Design, Development and Improvement of Microwave Stripline Low-pass Filter

微波带状线低通滤波器的设计制作与性能改善

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Characteristic analysis of optical low pass filter used in digital camera

光学低通滤波器的特性分析

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The Properties of Silicon Layer Prepared by Ion-assisted-deposition for Narrow Band Pass Filter

用于窄带滤光片的离子辅助沉积硅膜层的性能

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Design and Implementation of a Multichannel Band-pass Filter in Ultrasonic Detection

超声探伤中的多通道滤波器的设计与应用

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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。

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Design of the High Rectangle Coefficient and Flat Delay Band-Pass Filter

一种高矩形平延时带通滤波器的设计

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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。

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Optical band-pass filter be used as a phase discriminator. When the optical phase modulated signal locates at the left or right slope of the filer, Gaussian monocycle can be generated.

带通滤波器可以起到鉴相器的作用，只需将经过相位调制的光载波工作在带通滤波器的左边或右边斜坡上即可实现高斯脉冲的一阶微分。

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Automatic Measurement Software and Its Error for YIG-tuned Band-pass Filter

YIG调谐带通滤波器自动测量软件及测量误差

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Design of thin film interference narrow band pass filter used in WDM system

波分复用薄膜干涉窄带滤光片的设计

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Fast Tracking Band-Pass Filter

一种快速跟踪带通滤波器的实现

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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；

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