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时间调制的
相关语句
  time modulation
     The category and scheme of pulse time modulation are presented.
     文章给出了脉冲时间调制的分类方法及实现方案。
短句来源
  “时间调制的”译为未确定词的双语例句
     Fromthe IVOMD of silage in four different storages, Zhongyuandan32 was the best, Zhengdan958 was better and Gaoyiull5 and Jifeng58 the worst. Silage quality of corn stalks which were chopped was good.
     从玉米秸青贮料的有机物的降解率来看,四个不同时间调制的玉米秸青贮料,中原单32最好,郑单958次之,高油115和冀丰58最差。
短句来源
     Brightness match of a white light and a low frequency monochromatic light, one of which was time modulated and presented intermittently, wasade by observers on a two-channel optical system.
     本实验是以异色亮度匹配方法,探索视觉系统对在明视觉水平上的低频、不同时间调制的单色光和白光的亮度感觉特性。 结果发现,闪光刺激在临界频率以上作用于视觉系统所产生的亮度感觉是遵循塔耳玻特-普拉托定律。
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  相似匹配句对
     Time
     时间
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     Time is...
     时间
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     Temporal behavior of stimulated Raman scattering excited by amplitude modulating pump light
     幅度调制的脉冲光激发受激喇曼散射的时间特性
短句来源
     The category and scheme of pulse time modulation are presented.
     文章给出了脉冲时间调制的分类方法及实现方案。
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  time modulation
The signal observed in this case is formed by the space-time modulation of the speckle structure of the beams.
      
Transformation of a monochromatic plane wane by the pulse-periodic time modulation of an infinite medium
      
Time modulation of the input signal during recording of holograms on hydrogenated amorphous silicon-liquid crystal structures
      
Ion accelerator with space-time modulation of a relativistic electron beam
      
Adaptive algorithms for detection of a desired signal in the presence of intense interferences with arbitrary laws of time modulation are synthesized and their efficiency is analyzed.
      
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126 lateral geniculate neurones were examined on unanaesthetized immobili-zed cats.The temporal frequency tuning curves of single neurones were measuredby stimulating the cat's eye with a sinusoidally modulated light spot,generated ona CRT and presented to each neurone's receptive field center or its surround.Theaverage discharging rate was used as an index to judge the sensitivity to different mo-dulating frequencies.By comparing the mean impulse rates responding to modula-ted light stimulations(modulated discharge...

126 lateral geniculate neurones were examined on unanaesthetized immobili-zed cats.The temporal frequency tuning curves of single neurones were measuredby stimulating the cat's eye with a sinusoidally modulated light spot,generated ona CRT and presented to each neurone's receptive field center or its surround.Theaverage discharging rate was used as an index to judge the sensitivity to different mo-dulating frequencies.By comparing the mean impulse rates responding to modula-ted light stimulations(modulated discharge rate)with those responding to unmodulatedlight(unmodulated discharge rate),two opposite effects were observed.The majorityof the cells(93.7)% showed modulation-excitatory curves in which the modulateddischarge rates were higher than the unmodulated ones.A minority of the cells(6.3%)showed modulation-inhibitory curves in which the modulated dischargerates were lower than the unmodulated ones.The modulation-excitatory curvescould further be grouped into two subtypes,the“band-pass filters”and the“low-pass filters”.Similarly,the modulation-inhibitory curves could also be dividedinto two subtypes,the“band-rejection filters”and the“low-rejection filters”.Onboth sides of the temporal frequency tuning curve subsidiary sidebands oppositein direction to the main part of the curves could often be seen,i.e.inhibitorysidebands flanking the modunation-excitatory tuning curve and excitatorysidebands flanking the modulation-inhibitory tuning curve.Most of the tuningcurves have only one peak.of the 110 curves measured the peak loci show anormal distribution which centered at 7 Hz.The tuning curves due to stimulationof different locations of the periphery were almost the same.But the tuningproperties of the receptive field centers were different from those of the periphe-ries either in shape or in band-width.

用示波器产生亮度受正弦波调制的小光点刺激清醒猫外膝体神经元的感受野,以不同调制频率下神经元放电的平均频率为指标,分析了126个细胞感受野中心的时间频率调谐特性,主要结果如下。(1)大多数(93.7%)细胞呈调制-兴奋型反应,即刺激光的时间调制在一定频率范围内使放电频率增加;少数(6.3%)细胞呈调制-抑制型反应,即在一定频率范围内,时间调制使放电减少。(2)根据调谐曲线的形状和通带宽度,调制-兴奋型反应包括带通滤波器和低通滤波器两种类型,其110个调谐曲线的峰值分布接近正态曲线,多数细胞对7Hz 的调谐最敏感。调制一抑制型反应包括带除滤波器和低除滤波器两类。(3)调制-兴奋型曲线的通带旁边较當出现抑制性侧带,调制-抑制型曲线出现兴奋性侧带。(4)感受野中心区与外周区的时间频率调谐曲线的带宽和形状有所不同。

Suppose that Cathode-mesh region of streak tube possesses the even electric field. Time difference of electron transmission at this region can be derived from electron motion equation for single energy distribution of photoelectrons. Then analytical formulas of temporal spread function and TMTF are derived. The analytical formulas of TMTF are obtained one after another for electron energy Maxwell, Cosine and Beta distribution. Finally the formulas of limit temporal resolution Corresponding with depth of modulation...

Suppose that Cathode-mesh region of streak tube possesses the even electric field. Time difference of electron transmission at this region can be derived from electron motion equation for single energy distribution of photoelectrons. Then analytical formulas of temporal spread function and TMTF are derived. The analytical formulas of TMTF are obtained one after another for electron energy Maxwell, Cosine and Beta distribution. Finally the formulas of limit temporal resolution Corresponding with depth of modulation of 5% and the curves of TMTF are given.

根据条纹管阴栅空间为均匀电场这一特点,从电子运动方程出发,首先求出单能量光电子分布情况下在阴栅空间的渡越时间差,进而求出其时间扩展函数和时间调制传递函数曲解析表达式;然后求出光电子具有Maxwell分布、余弦分布和Beta分布下的时间调制传递函数的解析表达式;最后给出调制度为5%时的极限时间分辨率表达式,并给出相应几组时间调制传递函数曲线。

In this paper, a new function that convers optical pulse amplitude modulation (PAM) to light pulse duration modulation (PDM) for a bistable optical system is proposed and observed experimentally. This PAM-to-PDM convertion is based on the optical critical slowing-down effect.

基于光学临界慢变效应对光学双稳器件本文提出了一种新的功能——光学脉冲振幅调制(PAM)到光学脉冲持续时间调制(PDM)的转换,并且在实验上证实了这种功能的可行性.

 
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