The system includeS beam attenuator, single pulse selection and pulse synchronizing, beam matching, CCD Camera, frame grabber hard, monitor, computer and system software. 整个装置包括光束衰减器、单脉冲选取及脉冲同步、光束直径匹配、CCD摄像机、图像卡、计算机及监示器以及系统软件。
It is known that the pulse radar altimeter is an important assembly in the terrain contour matching system ( TERCOM). 脉冲雷达高度表内嵌的跟踪与测高算法在很大程度上决定了地形匹配系统的总体性能。
A New Approach to Treat the Boundary Conditions of Simple Pulse Converter in Matching Calculation 简单脉冲转换器在配机计算时边界条件处理方法的探讨
The laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor. 超短脉冲激光调制系统包括腔倒空驱动器、匹配网络和声光换能器。
It is found that the existence of the effect of the diffraction efficiency variation rate on the characteristics of the output pulse is depended on the matching of the time required for the laser pulse to build up and the switching time. 发现衍射效率变化速率对于输出脉冲时间特性影响的存在是由于因为脉冲建立时间与开关时间的匹配问题。
In the energy imitation, making use of the pulse strength controller and narrow pulse pump to carried out the precision control of a pulse strength and the creation time, matching with the high accuracy continuous and adjustable attenuating plate accurately realized the energy magnitude and distribute. 能量模拟系统中,利用脉冲强度控制器和窄脉冲发生器实现了回波脉冲强度和产生时间的精确控制,配合高精度连续可调衰减装置可准确地实现回波能量大小和分布的仿真。
In the experiment, based on the new principle of laser texturing, the laser parameters, such as pulse waveform, pulse energy, pulse duration, defocusing, are primely selected and matching. Consequently, the surface roughness profile and size have been successfully obtained. 在试验中,通过运用激光毛化新机制,对激光脉冲参数(脉冲波形、脉冲能量、脉冲宽度、离焦量等)进行了分析研究和匹配,并获得了该新形貌及尺寸。
Passive Location Based on Correlation Pulse Matching 基于互相关脉冲匹配的无源定位
The principles of SAR imaging processing were introduced. The theories of the synthetic aperture and the pulse compress were illustrated with the viewpoint of linear frequency modulation signal and its matching filter. 深入理解了SAR成像原理,并用线性调频信号及其匹配滤波观点解释了合成孔径原理和脉冲压缩技术;
An ultra-high-speed pulse fiber-optic transmission system is presented which is composed of a high-speed DFB laser, an InGaAs-PD and an impedance matching circuit. The system is capable of transmitting sub-nanosecond transient pulse with hundred-picosecond rise/ fall edge. 介绍了一种超快脉冲光纤传输系统,它由高速分布反馈(DFB)激光器、InGaAsPD及阻抗匹配电路组成,可传输亚纳秒级的瞬态脉冲,其上升、下降沿达百皮秒量级。
In addition, the PID design of compensating net of pulse generator is made, it improves the dynamic character of discharging current, meets the machining demand. The practice proves that pulse generator can use energy above 70%, which satisfy the need of matching. 对脉冲电源电流采样电路补偿网络进行了PID设计,从而改善了脉冲电源放电电流的动态特性,通过实际应用,证明该脉冲电源的电能利用率可以达到70%左右,满足了脉冲电源的加工需要。
This paper introduces the phenomenon and the elimination of "large pulse" existing during partial discharge test for transformer, and presents three main reasons of coil partial resonance, parameter matching as well as core remanence. 通过实例,介绍了变压器局部放电试验出现的大脉冲现象及消除过程,并提出了大脉冲产生的三大原因&绕组局部谐振、参数匹配及铁心剩磁。
DC pulse discharge method was used to measure traction battery efficiency, and the forecast experiment for range in engine-off operation was finished. The matching theory between load power and traction battery is proved effectively. 采用直流脉冲放电方法对电池放电效率进行实验验证,完成了续驶里程预测,为动力电池与负载匹配提供实验依据。
The results are summarized as follow: 1. The characteristics of pulse high voltage power supply matching with the electrode configuration of plasma reactor is very important to the input power and decomposition of gaseous organic pollutants. 结果表明:1.脉冲高压供电参数与反应器结构的匹配对反应器的能量注入及混合污染物的降解特性有重要影响。
On the other hand, SRS also performances many excellent characteristics which make it easy to get new lasers, for instance, the narrow pulse width, high conversion efficiency, good beam quality, no phase matching, and so on. 另一方面,受激拉曼散射还具有脉宽窄,转换效率高,光束质量好,不必进行相位匹配等诸多特质,易于获得新的激光。
Secondly, put forward a new kind of digital serial pulse structure, based on the structure designed series-parallel mixed modular multiplier, which achieved best matching on both speed and area. 其次,提出了一种新型数字串行脉冲阵列结构,设计了基于此结构的串并混合模乘器,在速度和面积上达到了最佳匹配。
To obtain higher output power is an important development trend of the high power microwave. However, high power microwave sources face the physical barrier of pulse shortening and the technical trouble of impedance matching contradiction of pulse power supply. 获得更高峰值功率是高功率微波(HPM)技术的首要发展趋势,然而HPM在高峰值功率产生方面出现了脉冲缩短、脉冲功率源与微波源的阻抗匹配矛盾等物理和技术障碍。
How the pulse compression works and what is matching filter are analyzed in the viewpoint of signal processing. 从信号处理的角度,分析了脉冲压缩的工作原理,解释了匹配滤波器的构造。
SRS possesses many attractive features, i.e. beam clean-up, pulse compression, no need for phase matching, and high conversion efficiency. 此外受激拉曼散射具有多种优良特性,如散射光光束质量好、脉宽窄、不需要相位匹配、并且具有高的转换效率。
Because this PA has the features of broad operating band and high linearity, and it can work in CW or pulse state, wide-band matching, power back-off, drain power modulating, and other technologies are used in the design. 由于该功放要求工作频带宽,线性度较高,且能脉冲或连续波工作,因此在理论设计上笔者采用了宽带匹配、功率回退、漏极电源调制等技术。