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carrier wave technique
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  载波技术
     This paper introduces a kind of control system of facility based on Internet and PCM, This system use SCM of Motorola MC68HC908GR8 and PCM as nucleus, with network correspondence and the electric power carrier wave technique, embed SCM system into traditional facility, And correspondence the Master card with facility through PCM, to reach the realization intelligentize and network of facility.
     本文介绍一种基于Internet和PCM的智能家电控制系统,本系统使用Motorola MC68HC908GR8单片机以及PCM为核心,结合网络通信和电力线载波技术,对传统家电嵌入单片机系统,并在家电与母板之间通过 PCM串行通信,实现家电的网络化、智能化。
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  相似匹配句对
     The Application of Frequency Dividing Technique to Channel of Electric Carrier Wave
     分频技术在电力载波通道中的应用
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     Magnetic Carrier Separation Technique
     载体磁选技术
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     The Carrier
     浅谈催化反应中活性组分的载体
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     technique.
     这一技术可以增加3dB带宽。
短句来源
     Advances in the Technique of Millimeter Wave Measurements
     毫米波计量测试技术的进展
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At present in the distributed control system the data interchange is commonly real-ized by wire communication mode ,by which the effective distance is only several hundredmeters.This paper has proposed a wireless digital communication mode,which uses thesin8le-chip microcomputer as the intelligence transmitter terminal or receiver terminal,the carrier wave technique and the modulatordemodulator,thus the effective distance isexpanded to ten kilometers or more, besides,the shortcoming that in common carrierthere...

At present in the distributed control system the data interchange is commonly real-ized by wire communication mode ,by which the effective distance is only several hundredmeters.This paper has proposed a wireless digital communication mode,which uses thesin8le-chip microcomputer as the intelligence transmitter terminal or receiver terminal,the carrier wave technique and the modulatordemodulator,thus the effective distance isexpanded to ten kilometers or more, besides,the shortcoming that in common carrierthere are a fewobjects between which the information can be interchanged is eliminated,the controlled objects can be easily increased to 255 ,and every object not only can inter-change the information with the primary station(control center), but also can interchange the information each other. Therefore the wireless digital communication modeis maybe very applicable to the distributed control system.

在一般分布式控制系统中,数据交换大都采用有线通信方式,其有效距离仅为数百米,本文提出一种无线数字通信方式,把单片机作为智能发送终端或接收终端,并同时结合载波技术和调制解调技术,使得有效通信距离扩展到10km甚至数十公里。此外,本文提出的通信技术还克服了通常载波技术仅只能控制几个控制对象的缺陷,能方便地把控制对象增加到255个;不但每个控制对象能同主站(控制中心)交换信息,而且它们彼此之间也可交换信息,因此本文提出的无线数字通信方式普遍地适用于分布式控制系统,具有进一步开发的前景。

The reverse multiplicate technique of moire interferometry is introduced .This is a very high sensitive method.In this method,shear reverse technique,carrier wave technique,multiplicate technique and optical Fourier processing technique are combined cleverly and applied successfully to the moire interferometry.When the deformed patterns of moire interferometry with carrier wave are multiplied using carrier wave frequency...

The reverse multiplicate technique of moire interferometry is introduced .This is a very high sensitive method.In this method,shear reverse technique,carrier wave technique,multiplicate technique and optical Fourier processing technique are combined cleverly and applied successfully to the moire interferometry.When the deformed patterns of moire interferometry with carrier wave are multiplied using carrier wave frequency which is filtered on an optical Fourier processing system,the deformed in formation of the specimen are multiplied sucessfully at same time.As a final experimental result,the moire fringes are multiplied clearly by 16 times,and measuring displace mentsensitivity is increased from 0.4μm to 0.025μm(In this test,specimen grating pitch is 1/1200mm).This method is applied to measure in plane displacement fields around an interlayer crack tip of metal Ni/ceramic ZrO 2 substrate under different thermal loading.From experiment alfields,the strain fields around interlayer crack-tip can be obtained as well.The displace ment singularity of interlayer crack tip under thermal loading is an exponential singularity related with the material properties of the specimen.

本文提出并介绍了云纹干涉反转倍增法,该方法将光学载波、反转剪切、富立叶变换倍增技术巧妙地结合于云纹干涉光路中。利用载波频率,把带载波的云纹干涉变形图在富立叶变换系统中进行条纹倍增,而试样变形信息也倍增了相同倍数,将云纹干涉的测量灵敏度又提高了一个数量级。在实验中实现了16倍倍增,即位移测量灵敏度由0.4μm提高到0.025μm(虚栅频率1/2400)。将这一方法用于测量热载下金属Ni膜/ZrO2陶瓷基界面裂纹尖端面内位移场,分析裂尖位移奇异性。实验表明:热载作用下,膜/基组件界面裂纹尖端的位移奇异性具有指数奇异特性,其奇异性指数与膜/基材料,界面层特性等有关

This paper introduces a kind of control system of facility based on Internet and PCM, This system use SCM of Motorola MC68HC908GR8 and PCM as nucleus, with network correspondence and the electric power carrier wave technique, embed SCM system into traditional facility, And correspondence the Master card with facility through PCM, to reach the realization intelligentize and network of facility.

本文介绍一种基于Internet和PCM的智能家电控制系统,本系统使用Motorola MC68HC908GR8单片机以及PCM为核心,结合网络通信和电力线载波技术,对传统家电嵌入单片机系统,并在家电与母板之间通过 PCM串行通信,实现家电的网络化、智能化。

 
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