脉冲发射
- Pulse emission;impulse transmission
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时域反射器(DR)一个脉冲发射给环路。板极脉冲调制发射器
Time-domain reflectometry ( TDR ): An impulse is transmitted into the loop . plate-pulsed transmitter
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通过对雪崩三极管在雪崩工作区的研究,并对Marx电路进行改进,设计并研制了窄脉冲发射电路,实现了发射高幅值窄脉冲的功能。
With the studying on the avalanche transistors in the avalanche work area and improving the Marx circuit , this paper designed and developed a pulse transmitter which can launch high amplitude narrow pulses .
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冲激无线电超宽带(IR-UWB)采用超短脉冲发射信号,信道容量大,可提供高速的数据传输。
The impulse radio ultra wideband ( IR-UWB ) technology adopts ultra-short pulses to transmit information , and has a huge capacity to serve for high data rate .
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在此基础上,论文接着进行了硬件电路的设计与调试,主要包括超声波脉冲发射电路、信号调理电路、A/D转换电路、CPLD控制电路等。
Secondly , the design and debug of the hardware circuits , which include the ultrasonic emitting circuit , signal processing circuit , A / D converting circuit , time control circuit based on CPLD and so on , are illustrated in details .
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文章首先分析了激光脉冲发射系统对测距精度的影响因素和对发射模块的要求后,系统采用专用集成MOSFET和电容的激光二极管和专用的驱动芯片产生高质量的激光脉冲作为测距信号。
Then the factors of accuracy and the requirements of the emission module are analyzed . A specific laser diode with integrated MOSFET and capacitor and a dedicated driver chip are used in the system to output high-quality laser pulse as the ranging signal .
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阴极强流多脉冲发射特性研究
Research on Multi - pulsed Intensive Electron Beam Source
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介绍了一种用于热疗法中超声测温的双超声脉冲发射接收电路。
This paper introduces double ultrasound pulse transmitting and receiving circuits used in ultrasound thermometry .
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该系统包含脉冲发射电路,接收电路,温度补偿电路和相应的控制电路。
The system includes a pulse transmitter , receiver circuit , temperature compensation circuit and the corresponding control circuit .
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设计并实现了激励脉冲发射电路、滤波、信号放大、电压比较、检波等信号处理电路。
The interrogation pulse , filter , signal amplifier , voltage comparator and the signal processing circuits are designed and realized .
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基于该传感器的位移测量原理,设计了激励脉冲发射电路及回波信号处理电路。
Basing on the measurement principle of this sensor , the interrogation pulse and the return signal processing circuits are designed .
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为了更好的理解高次谐波展宽与阿秒脉冲发射的物理过程,我们还对该过程进行了经典分析和时频分析。
To better understand the physical origin of HHG enhancement and attosecond pulse emission , we perform classical analysis and the time-frequency analysis .
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论文对空气超声设备及超声换能器进行了系统分析研究,设计并调试了超声波脉冲发射及接收装置。
The air-ultrasonic equipment and the ultrasonic transducer are analyzed systematically , and the ultrasonic pulse transmitting and receiving device are researched and produced in the paper .
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电磁火炮作为一种新概念武器,以其优越的性能和巨大的发展潜力,是未来现代化军事的重要发展方向,研究其脉冲发射驱动电源以及动力学特性,具有重要的理论意义和实用价值。
As a new type of weapon , the electromagnetic gun stands for the developing direction of future weapons , for the good performance and great potential .
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利用脉冲发射式超声测量系统和显微照相分析系统获得超声衰减数据和孔隙率数据,给出了基于模型的孔隙率拟合公式。
The attenuation data acquired by the ultrasonic pulse-echo measurement system and the porosity data measured by the microscope system yield an empirical formula based on the porosity calculation model .
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该模型组合了超声检测系统各个环节的子模型,包括:超声波激励脉冲发射,检测信号接收,连接电缆,超声换能器,以及在被检测材料中的传播过程。
This model combines all components of an ultrasonic measurement system , including pulser / receiver , cabling , transducer ( s ), and the acoustic processes in the materials being inspected .
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另外,还说明了场强对碳纳米管阴极强流脉冲发射的影响以及对比研究了天鹅绒阴极与碳纳米管阴极强流脉冲发射时的各种特性。
Moreover , the effect of electric field on the intense pulsed emission of CNT cathode is studied , and there are comparative studies of intense electron emission properties of the velvet cathode and CNT cathode .
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传统的雷达发射机采用单只行波管或速调管进行设计,当设备需要连续波发射和脉冲发射时,通常采用两部发射机分别承担相应任务。
The traditional radar transmitter by a single only traveling wave tube or speed adjustable tube design , when the equipment need continuous wave emission and pulse launch usually adopt two transmitter respectively to undertake corresponding task .
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为了提高系统测量的精度,文章提出了一种间隙式多脉冲发射方案,同时利用相关算法来计算时延即流速,以及利用软件插值来提高时间分辨率。
In order to enhance the precision of the system , the paper proposes a transmitted scheme based on intermissive multi-pulse , and calculates the Time Delay with Correlation Arithmetic , and develops the Time Difference with Interpolation .
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研究了如何选择探地雷达系统中的发射源,借助于MATLAB和C语言混编,对脉冲的发射及散射现象进行了模拟仿真。
Explain how to choose the ground penetrating radar system emission source . By means of MATLAB and C language , the emission and scattering of the pulse phenomenon is simulated .
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详细讨论了XNAV(X射线源自主导航)中的广义相对论效应之一:脉冲星发射与观测者接收到X射线的引力频移和Doppler频移。
It is discussed that one of the general relativistic effects in XNAV & gravitational and doppler shift in basis equation .
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花岗岩破裂中的光脉冲和声发射特征
Light poises and characteristics of acoustic emission in fracture of granite
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对脉冲星发射宇宙线能量的估计
The Estimation for the Total Energy of Cosmic Rays Emitted by Pulsars
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热阴极脉冲拐点发射的快速测量
Rapid - measurement of pulse emission current at the inflection point on I-U curve of the thermionic cathode
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反复脉冲式发射直至击碎,用取石钳或网篮取出碎石。
Repeated pulses continued until the gallstones were smashed , which were extracted by forceps or string bag .
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在无损检测领域,利用此原理,由脉冲激光器发射系统和激光干涉仪、光电探测器、信号放大器构成的接收系统所组成的激光超声检测系统,实现了超声检测的远距离、非接触在线测量。
In the field of Non-Destructive testing ( NDT ), according to the principle , the laser ultrasonic testing system consists of lasing system , laser interferometer , photoelectric detector and receiving system with signal amplifier . Thus , long-range and non-contact on-line detection of ultrasonic testing system was realized .
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有些射电脉冲星还会发射可见光、X以及伽马射线。
Some radio pulsars are also seen in visible light , X-and gamma rays .
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(SO2,N2)气体中脉冲放电SO发射光谱测量实验研究
The Experimental Study of Emission Spectrum of SO Fragment by the Pulse Corona Discharge in the SO 2 , N 2 Gas Mixture
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岩石中诱发脉冲的声发射场的频谱分析及应用
Spectral Analysis of Pulse-induced Acoustic Field in Rocks and Its Applications
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随机脉位调制的脉冲多普勒雷达发射源研究
The Research of Random Pulse Position Modulating on PD Radar
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脉冲水炮发射特性的实验研究
The Experimental Study of the Firing Property of the Pulsed Water Cannon