Depth error in depth migration isn't equal to velocity error, sometimes it is twice as many.
深度偏移剖面中的深度误差与速度误差并不相等，有时可以达到速度误差的两倍。
Depth error in depth migration profile isn't equal to velocity error, sometimes it is twice as many as velocity error.
深度偏移剖面中的深度误差与速度误差并不相等，有时可以达到速度误差的两倍。
The velocity error is minor, tends to stable and has small influence on the velocity precision when the S/N ratio is greater than limit value;
当信噪比高于界限值时，速度误差较小且趋于稳定，对速度精度影响较小；
According to the analysis of the high and low frequency parts in the equation of integral specific force, a precise velocity error correction algorithm is presented.
通过对积分比力增量方程中高频部分和低频部分的分析，提出了一种高精度的速度误差补偿算法。
A step motor phase locking control system and it's velocity error damping method is presented in this paper. A convenient method for engineering design is also given.
本文介绍了一种步进电机的锁相控制系统，为实现这一系统提出了步进电机速度误差阻尼方法，并给出了便于工程使用的设计方法。
Simulation results show that this integrated system can get navigation attitude position with high precision, also the position error and velocity error are decreased.
仿真结果表明：本文提出的组合导航系统能够给出载体的高精度姿态信息，位置误差和速度误差也较小。
This paper deals with two problems, nonzero -offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。
The adaptive adjustment of this kind of compensator makes it possible to reduce velocity error, and improve tracking performance. The simulation examples have shown its effectiveness.
它能根据规则实时调整顺馈系数，使得微分顺馈作用尽可能补偿速度误差信号，提高跟踪精度，仿真结果表明，这种微分顺馈系数的实时自整定是有效的。
First, according to the tracking error dynamics and kinematics described by unit quaternion error and angular velocity error, a sliding mode controller is derived based on Lyapunov theory.
首先根据由误差四元数和误差角速度描述的跟踪误差动力学和运动学方程，设计了基于李亚普诺夫方法的滑模变结构控制律。
In the simulation test, the position error and velocity error of maneuvering targets was seen to be reduced greatly. It indicates that the adaptive adjustment of maneuvering frequency is effective.
仿真实验表明，通过对频率自适应调整，使机动目标的位置、速度估计误差明显减小。
In the simulation test, the position error and velocity error of maneuvering targets was seen to be reduced greatly. It indicates that the adaptive adjustment of maneuvering frequency is effective.
仿真实验表明，通过对频率自适应调整，使机动目标的位置、速度估计误差明显减小。
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