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。
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。
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。
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。
The phase frequency detector adjusts the minimum pulse width of the one or more output signals using the temperature sensing circuit to compensate for temperature variations.
相位频率检测器用温度感测电路调整一个或更多个输出信号的最小脉冲宽度从而补偿温度变化。
Phase coded signal and the pulse radar echo have been simulated.
文中以脉冲雷达回波信号和相位码信号为例。
To solve the problem, Charlet perfected a system that uses the polarization and phase of a pulse of light, rather than its intensity, to encode data.
为了解决这个问题,查莱特完善了一个使用光脉冲偏振和相位的系统,而不是它的强度,以此来记录电码。
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。
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。
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。
Pulse electric field forced phase transition in antiferroelectric ceramics are in investigated.
可以看到反铁电陶瓷在脉冲电场诱导下发生了相变。
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 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。
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。
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 sample pulse DRFM principle phase correction advantages and disadvantages are introduced either.
介绍了示样脉冲DRFM原理、相位校正和优缺点;
PD pulse phase distribution spectrum was compared with spectrum, and 95% fiducial intervals of statistic operators were also summed up.
比较了局部放电的脉冲相位分布谱图和谱图的差异,并计算了各类放电对应的统计算子95%置信区间。
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。
In this paper, a new Chaotic Pulse Position and Phase Coded Pulse Compression Radar (CPPPC PCR) signal is studied.
本文研究了一种新型混沌编码的脉冲位置和相位复合调制的脉冲压缩雷达信号。
Telemetry signals, which are not only convention but also a special type-single wide-pulse ones, are transmitted by the pulse Phase Key (PPK) Reent rant Telemetry system.
在脉冲相位键控(PPK)再入遥测系统中,除了传输常规遥测信号外,还要传输特种遥测信号,即单次宽脉冲信号。
In this paper, a PD radar signal is researched, which is modulated by randomly staggered pulse sequence whose phase is also modulated by random binary-phase code.
本文研究了随机脉冲位置调制与脉冲之间随机相位调制相结合的脉冲多卜勒雷达信号。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
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。
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。
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。
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。
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。
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。
Single phase voltage pulse rectifier is an important part of the traction system.
单相电压型脉冲整流器是牵引传动系统的一个重要组成环节。
Single phase voltage pulse rectifier is an important part of the traction system.
单相电压型脉冲整流器是牵引传动系统的一个重要组成环节。
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