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保护滤波器
相关语句
  protective filter
     The key technologies of multiplexer,radio celestial protective filter,solid state power amplifier and function exchange switch were also presented.
     阐明了采用的收发多工器、射电天文保护滤波器、固体功率放大器(SSPA)和功能转换开关等关键技术。
短句来源
  “保护滤波器”译为未确定词的双语例句
     Adaptive Window Nonlinear Edge-Preserving Filters
     自适应窗非线性边缘保护滤波器
短句来源
     Image Detail-preserving Filters Research Based on Switching Median Filtering
     基于开关中值滤波的图象细节保护滤波器的研究
短句来源
     RADIO ASTRONOMY REJECT FILTER
     射电天文保护滤波器
短句来源
     ADAPTIVE ESTIMATING DETAIL PRESERVING FILTER FOR IMAGE PROCESSING 
     估值型自适应图象细节保护滤波器(英文)
短句来源
     Detail-preserving Region-growing-Based Filters for Noisy Image
     基于区域生长的噪声图像细节保护滤波器
短句来源
更多       
  相似匹配句对
     RADIO ASTRONOMY REJECT FILTER
     射电天文保护滤波器
短句来源
     Configuration and Application of AC Filter Protection
     交流滤波器保护配置和实现
短句来源
     Auto tracked Filter
     自动跟踪滤波器
短句来源
     Filter in hydraulics
     液压滤波器
短句来源
     Asking for protection;
     寻求保护
短句来源
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  protective filter
This indicated the role of foam around the egg pods as "protective filter" against the toxic substances in the soil.
      
The device was applied successfully in 6 patients: for percutaneous thrombectomy in 5 patients with peripheral embolization during angioplasty and as a protective filter during thrombectomy in 1.
      
A method used to determine the transfer constant of a protective filter in the 0-100 kHz frequency band is analyzed.
      
Minimal color shifting allows this protective filter to be used in a wide range of lighting and scientific applications.
      


This paper presents a filter protecting the radio astronomicalfrequency band,which is a novel coaxial band-rejection filter in structure.The filter uses λ/4 coaxial cavities as resonater and round wire in squareouter conducter as transmission line.In designing of the filter by makinggood use of design technology of coaxial filters,the measured performanceof high attenuation in stopband and low insertion loss in passband issatisfactorily obtained.

本文介绍了射电天文波段保护滤波器,它是一种结构新颖的同轴带阻滤波器。这个滤波器使用了λ/4同轴腔谐振器和外方内圆的传输线。在研制中充分应用了同轴滤波器的设计技术,获得了高阻带衰减、低通带插入损耗的满意的实测结果。

This paper presents a new method that could be used to design and implement a digital multi-frequency signalling Receiver DMFR in stored program control digital exchange.The principle for designing DMFR by FIR digital filter is described in detail.The method to determine the two designing parameters (decision level and level ratio) is given.The guard filter is used to make more dependable.Finally the principle and block diagram for implementing DMFR with digital signal processor TMS32010 are introduced.By computer...

This paper presents a new method that could be used to design and implement a digital multi-frequency signalling Receiver DMFR in stored program control digital exchange.The principle for designing DMFR by FIR digital filter is described in detail.The method to determine the two designing parameters (decision level and level ratio) is given.The guard filter is used to make more dependable.Finally the principle and block diagram for implementing DMFR with digital signal processor TMS32010 are introduced.By computer simulation、assembling and expreiment,the designing requirments are reached.The performance shows that DMFR is reliable and practicable.

本文给出了设计和实现程控数字交换机中数字多频信号接收器 DMFR 的一种新方法,详细叙述了由 FIR 数字滤波器所组成的 DMFR 的设计原理,提出了判决电平、电平比等设计参量及其确定方法.还提出采用了保护滤波器,使 DMFR 的工作更加可靠.最后介绍了使用数字信号处理器 TMS 32010实现 DMFR 的原理及框图.通过计算机模拟和组装调试,达到了设计要求,工作稳定可靠,具有实用价值.

In this paper, two kinds of adaptive window nonlinear edge-preserving filters are proposed.They remove additive random noise, signaldepe-dent noise and impulsive noise simultaneously. Also, they preserve edge signalsquite well.The size of adaptive window is variated with the signal characteris-tics in order to obtain a precise estimate of the signal.The filters present goodftiltering robustness and signal resolution.

本文提出两种自适应窗非线性边缘保护滤波器。它们可同时滤除加性随机噪声、信号有关噪声和脉冲噪声,并有很好的边缘信号保护效果。其自适应窗的尺寸随信号的特征而变,以得到精确的信号估值,滤波器具有良好的滤波韧性和信号分辨力。

 
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