本文通过详细的数学推演,厘清了水平方位角与俯仰角测量耦合的关系。
This article clears the measuring coupling relationship between horizontal azimuth and pitch angles by detailed mathematical deduction.
用UD分解改进EKF粒子滤波算法,并将其应用于基于星光仰角测量的探测器自主导航方案。
Using UD decomposing to modify EKF Particle filter was imported into the navigation scheme based on the measurement of elevation Angle of star.
梯度使气流方向测量值向负梯度方向偏转。圆柱探针和锥形多孔探针相比,气流方向测量误差对速度梯度更敏感,纵向梯度对俯仰角测量值的影响尤其大。
The velocity gradient, especially the perpendicular velocity gradient, leads the measuring error of flow angle with cylindrical probe to be larger than with conical multi-hole probe.
针对俯仰回路,利用测量的俯仰角实现了俯仰回路姿态控制;
The pitch control is attained by the measurement of the pitch angle.
首先以无源声呐对目标的方位角、俯仰角和频率测量为依据,建立动态系统模型。
The model of motive system is made in the light of measurements of target bearings, elevation and frequency by passive sonar.
当雷达在低仰角跟踪时,降低多径误差的阵列天线波束的形成技术,可消除或降低低仰角跟踪目标时的测量误差。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
提出利用激光雷达多仰角探测方法对大气斜程积分能见度测量的方案。
A new detection method taking advantage of multi-elevation angles with lidar is presented for measuring atmospheric slant integral visibility.
在雷达俯仰角(目标高度)方向上多径误差的影响尤为严重,使得目标高度的测量误差表现为周期性的尖峰误差。
In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement.
利用星敏感器和地平仪测量“星光仰角”,进行自主导航方案设计。
An autonomous navigation scheme is designed by using the star sensor and horizontal instrument to observe the elevation Angle of star.
提出了一种带有光线漂移补偿的测量导轨俯仰角误差、偏摆角误差的方法及系统。
A method and system based on compensation for beam drift are put forward in order to measure pitch and yaw errors.
分析了磁头飞行角度调校仪器不同工位测量磁头俯仰角和翻转角之间的相关性,并简单介绍了角度调校方法。
The paper analyzed the correlation of pitch angle and roll angle, which were measured by magnetic head flying angle adjustment apparatus, and introduced a method of angle adjusting.
给出了在雷达低仰角跟踪测量中由于多径效应影响而引起的雷达仰角、方位角、速度、距离误差的估算模型。
In this paper the error models of Angle, range and speed due to multipath effect in low Angle radar tracking are given.
分析了俯仰角、偏摆角的误差分离和实时测量原理。
在目标跟踪领域,通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
在目标跟踪领域,通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
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