phase error
[电子] 相位误差
2026-03-22 01:49 浏览次数 17
[电子] 相位误差
phase displacement error相移误差
phase measurement error相位误差
Phase Center Error相位中心误差
Phase Shifting Error相移误差
phase angle error相位移误差
phase e error相位误差
phase angle error determination[电]
antenna phase center error天线相位中心偏差
then, the origin and the effect on imaging of time domain polar format algorithm residual video phase error are analyzed.
然后分析了时域极坐标算法存在残余视频相位误差的原因及其对成像结果的影响。
the control strategy combining cross-coupling controller with zero phase error tracking controller was presented.
交叉耦合控制器用以增加各轴之间的匹配程度,以减小轮廓误差;
if the scatter selected in phase gradient algorithm(pga) algorithm is not isolated, the accuracy of the phase error estimation will be degraded.
当相位梯度算法挑选的散射点不是孤立散射点时,导致相位误差估计的準确性下降。
the effect of amplitude and phase error on the performance of receiver is discussed in this paper, and a method of digital correction based on fir filter is proposed.
本文仔细分析了幅相误差对接收机性能的影响,提出了基于fir滤波的一种数字域校正的方法。
then the influence of carrier frequency error on code loop and influence of code phase error on carrier loop in different noise are discussed in simulation.
利用计算机仿真方法详细分析不同噪声环境下,载波频差对码跟蹤环路输出、码相位差对载波跟蹤环路等因素的影响;
amplitude gain and phase error would lead to performance degradation of high-resolution parameter estimation algorithms; especially the phase errors will cause deviation of parameter estimation.
幅度增益和相位误差使得高分辨率的参数估计算法的性能下降,特别是相位的误差,将会引起参数估计的偏离。
the phase error generated by bandwidth is proportional to the nonlinear crystal length and the beams intersect angle.
测量相位误差与非共线相位匹配的夹角和晶体长度成正比;
however, even a very small phase error will produce a large measurement error at low power factor.
然而,即使相位误差值再小,在低功率系数的情况下仍会导致相当大的测量误差。
the effect of the quantization of the fringe intensity on the phase error in phase shifting measurement is formulated.
对相位移测量技术中的条纹强度量化所引起的相位误差进行了定量研究。
the invention has the advantages that a method for eliminating decimal phase error of square wave is provided, and the method effectively improves the time measuring precision with lower cost.
本发明的优点在于提供了一种消除方波小数倍相位误差的方法,该方法以较小的代价,有效地提高了时间测量精度。
meantime the doppler frequency shift will make the signal exist phase error in a persistence time of one code.
另外,它也造成信号在一个码元的持续时间内有较大的相位误差。
the dc drift and initial problems of pure integrator were overcome, and the magnitude and the phase error of one-order low pass filter eliminated by using a novel integration method.
利用改进的磁通积分算法,克服了纯积分器直流漂移和初始值问题,消除了一阶低通滤波器的幅值和相位偏差。
the rank one phase estimation (rope) algorithm is a good estimator for phase error widely used in sar.
秩-相位估计(rope)是一种性能较好的相位误差估计器,正被广泛地应用于sar图像处理。
zero phase error tracking controller (zpetc) was used to partially solve the problem.
零相位误差跟蹤控制器(zpetc)的提出部分地解决了这一问题。
to improve the phase error estimation precision and speed, modified iteration step is used, resulting in more effective application of coaa.
通过对coaa算法采用变步长迭代提高二次相位误差估计的精度和速度,增强算法的实用性。
this thesis deals with the algorithms of carrier frequency offset and phase error for mpsk signal.
本文主要研究mpsk信号的载波频偏和相位误差的估计和恢复算法。
this paper gives a detailed analysis of phase error caused by phase jitter in a direct digital frequency synthesizer (dds).
介绍了近年来dds杂散抑制技术的发展,研究了相位抖动法、混合式频率合成技术和相位内插法的原理与应用。
zero phase error tracking controller was served as the feed-forward controller to improve the fast tracking performance of the system, thus exactly tracking of the system was implemented.
零相位误差跟蹤控制器作为前馈跟蹤控制器,提高了快速性,使系统实现準确跟蹤。
the secondary resistive divider of the transducer affects the phase error of cevt but no affection on the divider coefficient.
结果表明,二次分压电阻的引入不会对分压比造成影响,但所引入的相位误差不能忽视。
a phase error compensation algorithm is deduced, which is caused by the multi channel cycle sampling.
推导出由于多通道信号循环采集而产生的相位误差的补偿方法;
for the feedforward controller design, zero error characteristic of the step response of system with zero phase error tracking controller (zpetc) is proved and its application is studied.
对于前馈控制器设计,证明了零相位误差跟蹤算法在阶跃输入下的无差性并研究了该特性的应用。
the phase error estimation part utilize one pilot tone to track the phase error and uses the estimation after compensation structure to improve precision.
残留相偏估计部分采用利用导频进行相偏跟蹤的方法,并采用补偿后估计的结构来增加估计的精度。
in synthetic aperture sonar imaging, the residual phase error is mainly corrected via autofocus.
合成孔径声吶成像中,主要通过自聚焦校正剩余相位误差。