This paper introduces the design method of a kind of distributed pulse power system for solid-state radar transmitter and sharing-current technique. 介绍了一种固态雷达发射机的分布式脉冲电源系统的设计及均流技术。
In modern power measurement, the measurement of the pulse of radio power has been widely used as the transmitter power, the delicacy of microwave receiver, the plus of amplifier and so on. 在现代功率测量中,射频脉冲峰值功率的测量广泛应用于如发射机的发射功率、微波接收机的灵敏度、放大器的增益等测量方面。
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched28MHZ are continuous carrier amplitude. 该遥控装置采用晶体稳频脉冲调幅发射机,电路较简单,频率稳定度高,发射的是间断的28MHZ等幅载波。
Analysis and simulation of the electromagnetic effects in the high power solid-state pulse transmitter Electromagnetic Effects on Environmental of Power Transmission Engineering in Urban District 固态脉冲发射机电磁效应分析与仿真
The Research of the Technologies on New Type HPM Short Pulse Radar Transmitter Systems 新体制HPM短脉冲雷达发射机技术研究
Effect of Staggered Pulse Modulation on Spectral Quality of Radar Transmitter RF Signal 参差脉冲调制对发射机信号频谱纯度的影响
On the basis of test data taken in a radar transmitter with modularized solid-state modulator, this paper deals with the effect of improving modulation pulse waveforms on the transmitter performance, and gives the achieved performance index. 以某型雷达发射机采用模块化固态调制器后的试验数据为依据,分析了调制脉冲波形改善对雷达发射机性能的影响,并给出了所达到的实际指标。
As the result of the switching frequency is higher than the pulse repeat frequency ( PRP) of the Radar's transmitter, the high precision of the output voltage can easy achieve, the running of the power supply is silence. 由于电源的开关频率远远高于雷达的重复频率,电源输出电压精度得到大大提高,电源可以实现安静地运行。
Phasic Stability Analysis of Pulse Doppler Weather Radar Transmitter 脉冲多普勒气象雷达发射机相位稳定性分析
The effects of the pulse modulation waveform distortion on the transmitter performance, that is, the effects of the pulse top fluctuation, linear droop, leading anti trailing edges on the transmitter RF pulse quality, have been analysed in detail. 本文详细分析了脉冲调制波形畸变对雷达发射机性能的影响,即脉冲顶部波动、线性降落、脉冲前、后沿对发射机射频脉冲质量的影响。
The Effects of the Pulse Modulation Shape Distortion and the Power Supply Ripple on the Radar Transmitter Performance 脉冲调制波形畸变和电源纹波对雷达发射机质量的影响
Study of the Spectrum Control of Pulse Radar Transmitter 脉冲雷达发射机频谱控制的研究
Mud pulse modulation data flow is thin, but current transmitter as far distance transmission means has been widely applied other field, technology is mature. 泥浆脉冲方法目前应用较多,但数据流量稀疏,电流环技术作为远距离传输手段已被广泛的应用于其它领域,技术成熟。
A Wide Pulse Modulator for TWT Transmitter 一种用于行波管发射机的宽脉冲调制器
This paper introduces resonance effect and electric field disturbance effect in the high power solid state pulse transmitter, and presents the principles and the simulation methods of the two electromagnetic effects. 介绍了大功率固态脉冲发射机内的谐振效应和屏蔽盒对电场的扰动效应,阐述了两种电磁效应的产生机理与仿真方法。
Design of Ultrasonic Wave Intelligent Pulse Transmitter 超声波智能脉冲发射机的设计
110 kHz High Pulse Repetition Frequency Multibeam Klystron Transmitter 110kHz高重频多注速调管发射机
An ultra-wideband, monocycle ultra-short-pulse transmitter technique 一种超宽带、单周期窄脉冲产生技术
After comparing with the performance of double sideband modulation and single sideband modulation, Single sideband modulation based on phasing was used for RF pulse modulation, which can cut down the peak power of RF pulse transmitter and achieve a precise phase. 在分析双边带和单边带调制的性能后,采用移相法实现RF脉冲的单边带幅度调制,并给出了具体的实现算法和仿真。
The methods of improving output spectrum of pulse radar transmitter are discussed and a spectrum control method successfully adopted by weather radar transmitter is introduced in the paper, the curves as well as the experiment results are also given. 讨论了脉冲雷达发射机输出频谱的改善方法,介绍了一种成功用于气象雷达发射机的频谱控制方法,给出了实验曲线及结果。
It is found that one digit can be encoded and decoded on one pulse at any location since the width of the signal is much narrower than that of the pulse of the transmitter. 研究发现,由于信号的宽度相对于脉冲的宽度很窄,我们可以在脉冲的任意位置对信号进行编码和解码。
The pulse interleaving technology is adopted to make the transmitter or receiver synchronize with the transmission and the reception of the impulse radio signal pulses. 采用脉冲交错技术使发射机或接收机能同步于收发冲激无线电信号脉冲。
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. 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。
The feeder system is consisted of waveguides and a series of high-frequency devices and other components. It transmits the high-power electromagnetic pulse from the transmitter to the antenna, and then spread the weak reflected signal from the antenna back to the receiver. 馈线系统将大功率电磁波脉冲由发射机传输到天线,然后又把微弱的反射信号从天线传回到接收机,它是由波导及一系列高频器件、组件所形成的系统。
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. 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。
A low power optical pulse is created by the transmitter and then amplified by an EDFA to generate a high power pulse which is launched into a sensing fiber and stimulates the Raman scattered light. 在发送端,激光器产生小功率激光经EDFA放大后产生高功率窄脉冲注入到传感光纤中以激励.出拉曼散射光,散射光被波分复用器分离出来由接收端进行处理。
The system includes a pulse transmitter, receiver circuit, temperature compensation circuit and the corresponding control circuit. 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。
In order to improve single-shot precision the slew-rate of the measurement pulse should be increased, so the optical pulse of the laser transmitter should be narrower and more powerful and the bandwidth of the receiver should be higher without increasing the noise level too much. 为了提高单脉冲测量精度,需要增大上升沿的摆率,也就是更小的激光脉宽和更高的峰值功率,相应的,接收器要有较高的带宽,但又不显著增加噪声水平。
The spectrometer, in which the control/ communication unit, pulse generator, RF waveform transmitter and digital receiver are integrated on one PCB card, can works in two modes. 此外,该谱仪控制台将控制/通讯部分、脉冲序列控制部分、射频发射部分与信号接收部分集成于一块板卡之上,还可以实现两种工作模式。