Phase coding is firstly used for pulse compression, then correlative detection is performed by polarization coding.
它是在用二相编码完成脉冲压缩的基础上,利用极化编码实现相关检测。
Phase code signal is a kind of pulse compression waveform which is widely used in radar system.
相位编码信号是在雷达中广泛使用的一种脉冲压缩波形。
L297 chip generates pulse phase sequence signals of which the pulse width is adjustable. The signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.
L 297芯片产生脉宽可调的脉冲相序信号,该信号作为双极性桥式功率驱动电路的输入信号,放大后驱动步进电机。
Therefore, it would be desirable to provide a phase frequency detector that has a controllable minimum pulse width.
因此,需要提供具有可控制最小脉冲宽度的相位频率检测器。
Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
For the phase code pulse compression radar, the article gives emphasis to introduce its working principle and realizing method.
对于相位编码脉冲压缩雷达方案,重点介绍了其工作原理和实现方法。
FIG. 3 is a timing diagram that illustrates an example of a minimum pulse width in the DN output signal of a phase frequency detector, according to an embodiment of the present invention.
图3是依照本发明实施例的时序图,其图示说明相位频率检测器的DN输出信号中最小脉冲宽度的示例。
In this paper, the principles of laser range based on phase and pulse were discussed in this paper, and the advantages and disadvantages were compared and analyzed.
论文中讨论了相位激光测距和脉冲激光测距的基本原理,并就两种方法的优缺点做了对比分析。
The nonparametric constant false alarm rate (CFAR) property of digital polarity sampled phase reversal coded pulse compressors is described.
本文阐述了极性采样倒相编码数字脉冲压缩处理器的非参量恒虚警率(CFAR)特性。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源,主电路采用新型LCL结构,控制系统选用恒频移相调脉宽控制方案。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
This article describes the design and debugging of three phase and six pulse thyristor trigger board based on TC787. The performance and application information of TC787 are also mentioned.
介绍了以TC787专用集成电路为核心的三相六脉冲晶闸管触发板的设计和调试,对TC787专用集成电路的性能特点、工作原理和使用注意事项也作了简要介绍。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.
从理论上分析了非线性折射率引起的脉冲自位相调制对超短脉冲的影响。
The luminosity and the energy of emission line correlate with the pulse phase of X-ray pulsar as well.
而且发射线的强度和能量均与脉冲相位关联。
Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
The effect of wakefield, which depends on the initial pulse shape and width, leads to the asymmetry of pulse self phase modulation.
尾波场效应导致脉冲自相位调制的不对称性,其大小与初始脉冲形状和脉宽大小有关。
The experimental results show that the pulse shifting phase control by using software can improve effectively the pulse symmetry and the precision of the d. c. output voltage.
实验结果表明,采用微机软件实现脉冲移相控制,可有效地改善脉冲对称度,提高整流输出电压精度。
When a light pulse is made to follow a closed loop path in real space, the phase of the returning beam might be slightly off from the phase of light starting off at that point.
当一个光脉冲在一个真实的空间里沿着一个封闭的圆环运动,当它回到出发点时,其相位与刚出发时的相位可能会有些微的不同。
Aimed at the application of low probability of intercept adopting pulse compression system, a new arithmetic of recognizing binary phase coded pulse compression radar signal is proposed.
针对采用脉冲压缩体制的低截获概率雷达的应用场合,提出了一种识别二相编码脉冲压缩雷达信号的新算法。
Aberration and retardation effects are also taken into account when calculating pulse phase, colatitude Angle and position Angle.
在计算辐射的相位、余纬角和偏振位置角过程中考虑了光行差效应和延迟效应。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
在此情况下可以对输入数据符号进行加权处理,从而得到一类MS K信号,这类MS K信号仍为等幅波、相位仍保持连续。
The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.
分析了UWB室内衰落信道模型下脉冲幅度位置混合调制(PAPM)最优接收机性能。
A series of theoretical tests say that this new method is applicable to the least square deconvolution of mixed-phase unknown pulse.
文中给出的一系列理论试算结果表明,该方法适用于混合相位未知脉冲的最小平方反褶积。
With the expansion of production scale, dense phase pulse fluid pneumatic conveying shows the incapability for long-distance and high lifting height conveying.
随着生产规模的扩大,对于输送距离长、提升高度高的工艺要求,密相栓流气力输送技术显示出其输送能力不足的一面。
A phase-amplitude-matched CCTWT has been developed. The power combination experiment of the phase amplitude-matched TWTs and the pulse phase measurement is described and analyzed in this paper.
介绍了最新研制的幅相一致栅控耦合腔行波管的情况,并介绍脉冲相位一致性测试的方法和两支栅控幅相一致耦合腔行波管的功率合成结果。
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse.
用傅里叶变换的方法分析了锁模激光器中模式间的相位和振幅涨落对锁模脉冲列特性的影响。
There lies Doppler mismatch in every code of phase-coded pulse compression techniques.
在相位编码脉冲压缩技术中,各种码都存在着多普勒失配问题。
There lies Doppler mismatch in every code of phase-coded pulse compression techniques.
在相位编码脉冲压缩技术中,各种码都存在着多普勒失配问题。
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