结果显示,超短脉冲谐波辐射过程中电子获得动能的量子路径偏离主要量子路径,而且该偏离效应受载波包络相位的影响。
The results show that the quantum path through which the electron gains kinetic energy deviates the dominant quantum path. In addition, the deviation is effected of the carrier-envelope phase.
据此幅值谱和一个随机相位谱,并与一个时程包络函数结合,合成一个子震时程。
A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.
CPM信号包含大量的信号形式,它们的共同特点是信号包络恒定、相位连续,尤其适合于无线通信。
CPM consists of a large family of signals that are especially suitable for wireless communication, and the common characteristics of these signals are their constant amplitude and continuous phase.
SPGA算法利用估计得到的侧摆对距离徙动校正前的回波数据进行包络和相位补偿。
SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration.
针对逆合成孔径雷达(ISAR)的小转角目标回波特点,提出通过快速生成包络和相位的方法来构成目标回波。
To consider the echoes' characteristic of the moving target with small angle for inverse synthetic radar (ISAR), the target's echoes are simulated by generating the envelope and phase quickly.
本文主要研究了多载波相位编码(MCPC)脉冲信号,以及具有低峰值-平均包络功率比(PMEPR)的多载波脉冲串的设计。
This thesis mainly discusses the multi-carrier phase code (MCPC) pulses signal, and the design of pulses trains with low peak-mean envelop power ratio (PMEPR).
正交采样技术可以保留信号复包络的幅度、相位等信息,因此在信号处理领域中有着广泛的应用。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续,从而能够有效的改进信号的频谱特性。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
其次针对目标的特殊性,总结了各种运动补偿方式,归纳改进了适合自旋稳定目标成像的包络对齐及相位校正的算法。
Secondly, many motion compensation methods are compared and improved including range alignment and phase correction in order to satisfy various targets imaging conditions.
在经过光相位调制器之后,输出光信号的包络保持不变,能被基站用来承载强度调制的上行信号。
The envelope of output optical signal after the phase modulator keeps stable and the optical signal can be used to carry uplink data back to the base-station.
而且相位连续的恒定及准恒定包络调制技术,具有很高的带宽和功率利用率,带外辐射较小,因而产生的邻道干扰也较小。
Furthermore, when the phase is continuous, they could provide high power and bandwidth efficiency. Due to the low out-of-band radiation, the interfere between channels is also small.
讨论了光孤子传输中,由脉冲包络的相位变化产生的啁啾与孤子传输的关系。
The relation between the chirp in phase of soliton pulse and soliton propagation is discussed in this paper.
首先给出了逆合成孔径雷达成像原理和对数据进行仿真的方法,然后分别对运动补偿的两个步骤(包络对齐和相位补偿)加以详细探讨。
Firstly we introduce the theory of ISAR imaging and the method of simulation, and we research the two steps (range alignment and phase compensation) of the motion compensation respectively in detail.
运动补偿包括包络对齐和相位补偿两个部分,文中较为详细地介绍了后面仿真所使用到的包络对齐和相位补偿方法。
Motion compensation includes range alignment and phase compensation. The thesis introduces the method of motion compensation which is used in simulation of the later chapters particularly.
运动补偿包括包络对齐和相位补偿两个部分,文中较为详细地介绍了后面仿真所使用到的包络对齐和相位补偿方法。
Motion compensation includes range alignment and phase compensation. The thesis introduces the method of motion compensation which is used in simulation of the later chapters particularly.
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