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wave carrier
相关语句
  载波
     By inserting a quarter-wave plate. used as a light wave carrier, in front of or behind the photoelastic model in the plane polariscope. isochromatics of n +1/4 and n+3/4 order may be obtained, n being any integer.
     在平面偏振场中,加入四分之一波片,作为一个均匀的光载波,与实验模型中的等差线相叠加,可得到n+1/4和n+3/4级等差线。
短句来源
     The following units in the transmitting device have been developed: generation of pseudo random code, precise phase shift of carrier wave, carrier’s modulation by pseudo random code, amplification of amplitude and power of modulated signal and matched load.
     发端设备完成了伪随机码的产生、对载波的精确移相、伪随机码对载波的调制、对调制信号的放大、功放和负载的匹配等单元的研制。
短句来源
     The frequency modulation signal gotten by this arithmetic not only control the depth of frequency and modulation according to the three control word about modulation wave,carrier wave and frequency deviation but also has high distinguishing ratio which could reach 0.093Hz.
     由该算法所得调频信号不但可以根据调制波、载波和频偏3个控制字来控制频率和调制深度,而且分辨率相当高,可达0.093Hz;
短句来源
     Remote metering system based on terminal unit of expanding frequency wave carrier in residential area
     扩频载波用户终端的居民小区远程抄表系统设计
短句来源
     Parasitic transmission is derived from wave carrier, attenuation anddisturb are two major trouble in Parasitic transmission which are more extrudein low-Voltage power line.
     寄生传输来源于载波技术,它的两个最主要的困难是衰减和干扰,这在低压电力线上尤为突出。
短句来源
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  “wave carrier”译为未确定词的双语例句
     Basing on the thought of one point initiating, beam splitting then converging and the cutting principle of shock wave, a model of 1 IN 2 OUT high precision explosive logic circuit was established, in which lead mild detonating fuse was used as detonation wave carrier, and function of the model was demonstrated experimentally.
     利用单点起爆分束汇聚的思想和冲击波切割原理,建立了以金属导爆索为传爆载体的一进二出高精度爆炸逻辑网络模型,并且通过试验实现了模型的功能。
短句来源
     This paper presents the development of technology of welding current remote control and concentrates on the principle of a stepless wave carrier welding current remote controller.
     叙述了焊接电流遥控技术的发展,详细论述了无级载频式焊接电流遥控器的原理。
短句来源
  相似匹配句对
     The Carrier
     浅谈催化反应中活性组分的载体
短句来源
     The frequency of the carrier- wave is at 35MHz.
     输出载波频率35MHz,稳定度达到4×10-5,准确度达到3×10-5。
短句来源
     MILLIMETER BAND GaAs CARRIER WAVE AMPLIFIER
     毫米波段砷化镓载流子波放大器
短句来源
     r and the wave potential (?) .
     _r和波动势(?)
短句来源
     On geomorphological wave
     论地貌波
短句来源
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  wave carrier
Each mm-wave fibre-wireless system demonstrated here incorporates a method for the generation and modulation of an optical mm-wave carrier, which enables the effect of fibre dispersion to be significantly reduced.
      
The proposed chopper modulators use a square wave carrier current for controlling the transfer of a sine wave baseband voltage from nodes Y to nodes X, and the baseband currents from nodes X to nodes Z, of the current conveyors.
      
When the downlink is active, the reader transmits a continues wave carrier with some small gaps for the tag to syncronise its response.
      
The resulting vibration signal is amplitude modulated on a 100-kHz square wave carrier.
      
Both evoked a pitch corresponding to the sine wave carrier, but the pitch was much stronger for ramped than for damped sine waves.
      


The article describes the performances of the wave-carrier transmitter for seismic exploration which is designed and manufactured by us.The wave-carrier transmitter has following technical characteristics:(1) Linear level range in channels>90 decibels.(2) The number of channels is 30.(3) The interference between channels<10~(-3).(4) It has high resistance to the interference of industrial electricity and the interference of other atmospherics.The article relates the technical approaches...

The article describes the performances of the wave-carrier transmitter for seismic exploration which is designed and manufactured by us.The wave-carrier transmitter has following technical characteristics:(1) Linear level range in channels>90 decibels.(2) The number of channels is 30.(3) The interference between channels<10~(-3).(4) It has high resistance to the interference of industrial electricity and the interference of other atmospherics.The article relates the technical approaches of realizing above mentioned aims and provides correlation records of lab analog experiments and field experiments.

本文主要介绍了我们研制的一台供地震勘探用载波传输仪的性能。它具有下列技术特点:(1)通路线性电平范围>90分贝。(2)通路数目为30路。(3)路间干扰<10~(-5)。(4)抗工业电干扰及其它天电干扰能力强等。论述了实现上述指标的技术途径,并给出了室内模拟实验和现场实验的各种对比记录。

By inserting a quarter-wave plate. used as a light wave carrier, in front of or behind the photoelastic model in the plane polariscope. isochromatics of n +1/4 and n+3/4 order may be obtained, n being any integer. The loci of these isochromatics, however, are disturbed by the isoclinics of 0 degree, rendering their determination to be difficult at the corresponding point in the model. By rotating synchronously the elements of the optical system the disturbance might be eliminated, but this operation is...

By inserting a quarter-wave plate. used as a light wave carrier, in front of or behind the photoelastic model in the plane polariscope. isochromatics of n +1/4 and n+3/4 order may be obtained, n being any integer. The loci of these isochromatics, however, are disturbed by the isoclinics of 0 degree, rendering their determination to be difficult at the corresponding point in the model. By rotating synchronously the elements of the optical system the disturbance might be eliminated, but this operation is rather troublesome and apt to cause error. It has been proved both theoretically and experimentally that the superimposition of an additional quarter-wave plate with the photoelastic model in the circular polariscope (either dark field or light field), with the axis of the interposed quarter-wave plate set at 0 or 45 degrees with the polarizing axis as well as the analysing axis, the disturbance due to the isoclinics can be got rid of,and sharp images of the isochromatic of n +1/4 and n+3/4 order can be obtained.

在平面偏振场中,加入四分之一波片,作为一个均匀的光载波,与实验模型中的等差线相叠加,可得到n+1/4和n+3/4级等差线。但这样所得到的条纹要受0°等倾线的干扰,使得相应点位的条纹难以直接观测。虽然同步旋转光路系统的各元件可以消除这种干扰,但在暗室中操作既麻烦又容易出错。理论推导和实践结果表明:在光弹性圆偏振场的明视场或暗视场中,在待测模型之前(或后),另加一个四分之一波片,形成一种非明暗的混合视场;使另加入的四分之一波片的快、慢轴与起偏振片和分析片的光轴平行或成45°,可消除等倾线的干扰,获得清晰的非整数(2m+1)/4级条纹。

On the basis of electromagnetic transient analysis of the internal construction of electric network,using the EMTP program,this paper exactly calculates and fully analyzes the trait and reqular of voltages distribute on shield wires under the conditions ofnormal,short circuit breakdown,transmission power line switch operating,the channel strucked by linghting,etc,Mean while. It also calculates and discusses the wave carrier attenuation effected by the channel perameter vary which with the frequency in-crease,using...

On the basis of electromagnetic transient analysis of the internal construction of electric network,using the EMTP program,this paper exactly calculates and fully analyzes the trait and reqular of voltages distribute on shield wires under the conditions ofnormal,short circuit breakdown,transmission power line switch operating,the channel strucked by linghting,etc,Mean while. It also calculates and discusses the wave carrier attenuation effected by the channel perameter vary which with the frequency in-crease,using the MARTI-frequecy model of EMTP program. And obtains some profitable results.The computing method is ex-act, simple and convenient,and the discussing results have effeciently theoretical basis and reference using values for the engi-neering design and oporating discussion to the wave carrier on imulated shield wires.

本文在电网内部结构电磁暂态分析的基础上,利用EMTP程序对绝缘架空地线作为高频载波通道在正常运行、短路、雷电、开关操作等情况下的电气特性及规律进行了较详细的计算分析。同时,用EMTP的MART1频率方法计算分析了参数随频率特性变化对通道传输衰耗的影响,得到了一些有益的结果。

 
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