结果表明,当某一脊髓节段的感觉神经末梢受到一定参数的串脉冲电流的刺激时,可引起相邻节段感觉神经末梢传入放电增多。
Results showed that the afferent impulse discharges of sensory nerve ending increased when an antidromic electric stimulation was given to an adjacent sensory nerve ending.
水平失真触发:当信号变高或者变低,并保持此状态超过指定时间时触发。这是很有用的对于脉冲串的末端触发。
Level dropout: This detects an edge followed by a specified time with no edges. It is useful for triggering on the end of a pulse train.
数值模拟显示,利用色散缓变光纤中的调制不稳定性可以产生高重复率的基本孤子脉冲串。
The numerical simulation also shows that fundamental soliton pulses with high repetition rate can be generated in this kind of fiber by modulation instability.
光传输系统中的光源,波形整形器,光脉冲串发生装置以及光再现系统。
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system.
本文提出基于对象的脉冲响应的串级模拟算法控制,给出算法的若干性质。
This paper presents cascade Model Algorithmic control based on impulse response representation of the process. Some Properties of the control algorithm are given.
基于窄脉冲串的超宽带无线电系统是一种典型的超宽带实现方式。
The UWB system based on narrow pulses train is a typical UWB system.
对有幅度起伏的脉冲串进行幅度均衡也是实验上常需要的技术之一。
Amplitude equalization for optical pulses is one of the commonly used technologies in the experiment.
提出一种在单模光纤正常色散区由连续波产生超短光脉冲串的新方法。
A new method for ultrashort optical pulse train generation from a cw signal in the normal dispersion regime of optical fibers is suggested.
变送器触发源电路保证产生的脉冲串具有改善的波形,单稳态电路实现输出波形的稳定。
Pulse train produced by clock circuit of the transducer has improved waveform and output waveform is stable implemented by mono-stability circuit.
提出从接收到的光信号脉冲串中提取光基频时钟的方案。
A novel all optical scheme for extracting clock pulses with basic frequency from the receiving non uniform OTDM optical signal is proposed.
本文提出一种可用于直接检测雷达的步进时间间隔脉冲串实现脉冲积累的新方法。
Pulse compression can be performed in direct detection radars by using a newly proposed stepped time intervals coding pulse train and corresponding correlation algorithm.
本文主要研究了多载波相位编码(MCPC)脉冲信号,以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
通过分析声表面波谐振器对不同激励信号的响应,本文选用正弦脉冲串作为激励信号,来提高系统工作效率和传感距离。
Through the analysis of the response of resonator base on different pumping signals, sine burst is used for pumping signal of the system to improve the efficiency and detecting-distance.
阐释了单个脉冲回波信号和多周期脉冲串回波信号,利用积累来提高检测性能的多种方法。
Some methods of enhancing detection performance in dealing with the single pulse echo signal and the multi-period pulse bunch echo signal by accumulating are summarized.
为了提高脉冲串信号的距离分辨力,曾有文献提出了对子脉冲的载频进行线性递增的方法。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
推导了随机脉位脉冲序列的自相关函数,给出了其功率谱,并与均匀脉冲串的功率谱进行了分析比较。
The autocorrelation function of the randomly staggered pulse sequence is derived, and its power spectrum is given. Comparison with constant pulse-repetition frequencies pulse sequence is also made.
时钟脉冲,用于同步的连续脉冲信号串。
CLOCK SIGNAL, a continuous string of pulses used for synchronization.
均匀脉冲串信号是相参脉冲串信号中最简单但也是最重要的一种,所以对其研究有一定的意义。
The uniform pulse sequence signal is one of the most simple and the most important forms in coherent pulse-sequence signals, so it has a certain meaning to study uniform pulse-sequence signals.
总结了测距功能的软硬件实现技术,包括传统的三角测量和视差测距技术、电脉冲测距技术、伪码扩频脉冲串测距技术。
Software and hardware implementation of ranging was sum up including triangulation & parallax measuring, pulse current ranging and pseudo random noise ranging.
共原理为将系统调节信号经定时器转换为移相脉冲串去触发可控硅进行三相全控整流。
The principle is that the system adjustment signals are changed into shift-pulses via a timer so as to trigger SCR for three-phases full-controlrectification.
现代雷达为获得较高的距离分辨力通常采用编码频率脉冲串信号和步进频率脉冲串信号,但都存在数据率低和较为严重的距离-多普勒耦合问题。
But these signal problems of range-Doppler coupling and low data ratio are still not solved completely although some encouraging results have been obtained and applied in the radar system design.
该研究对高重复率脉冲串产生具有一定意义。
This study is significant for generation of ultra-short optical pulse chain at high repetition rate.
每一只蝙蝠发出一连串短脉冲的尖叫声,每一声的持续时间还不到百分之一秒。
Each bat sends out a series of screams in short pulses, each lasting less than a hundredth of a second.
设计并实现了基于ADSP21060的通用高速实时数字信号处理系统,并以随机脉位调制与随机二相码调相复合脉冲串信号处理为例,给出了软硬件设计方法。
We design and implement a generic high-speed real-time digital signal processing system using ADSP21060 processors, and introduce software and hardware design methods for the CPS signals.
通过将估计出的冲激串信号与高斯单脉冲波形卷积,完成超宽带信号的波形重建。
The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.
如果可再生能源的小的脉冲串可以适用于制造活性的小的脉冲串?
What if small bursts of renewable energy could be applied to small bursts of manufacturing activity?
另外,由于温度和热容激光器脉冲串输出方式的影响,总脉冲串输出能量在腔镜透射率上也将有一个优化值。
In addition, the transmission ratio of cavity mirror has an optimum value because of the influence of temperature on the output of the pulse string.
与此相反的是,8 - PS K调制方式实现线性模式,其中在脉冲串的有用部分期间,功率放大器发射的功率幅度随着时间而变化。
In contrast, 8-psk modulation implements a linear mode in which a time-varying amplitude is output from the pa as measured by power versus time during the useful part of the burst.
实验证明,尾随主脉冲之后的次脉冲串是导致低氖压微型管坪缩短的根源;
The experiments showed: (1) the secondary pulse series following the primary pulse is a root cause to shorten plateau;
实验证明,尾随主脉冲之后的次脉冲串是导致低氖压微型管坪缩短的根源;
The experiments showed: (1) the secondary pulse series following the primary pulse is a root cause to shorten plateau;
应用推荐