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.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
引入通用归一化仰角函数是改善预报误差的主要原因。
The improvement of predicting error is mainly due to introduction of general normalized elevation angle function.
但由于对流层中的折射效应，定位系统所测目标的仰角、距离等参量均存在一定的折射误差。
However because of the refraction effect in the troposphere there is refractive error in the parameters measured in positioning system.
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.
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.
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.
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.
本文还提出了限定增益系数的方法，以抑制俯仰角过大的估计误差。
A method to limit the amplification in a certain range is proposed for restricting the big estimated error of pitch attitude angle.
本文提出了一种用数值法修正雷达高仰角动态滞后误差的方法，并用任务实测数据进行了模型验证，结果显示这种方法能有效地降低动态滞后引起的误差。
This paper puts forward a new numeric model. Simulation with actual mission data shows that the new model significantly reduces lag error and improves the accuracy of data processing.
首先给出了某单脉冲雷达低仰角多路径效应一个完整的仿真模型，包括：多路径传播几何模型、雷达天线模型、跟踪误差模型。
A complete simulation model for target tracking of a monopulse radar that works at low elevation angles with ground reflection multipath is given.
结果表明，大气湍流引起的角误差与仰角、距离等因素有关。
It can be concluded from the result that angular errors caused by atmospheric turbulence relate to altitute angle, propagating distance, etc.
分析了俯仰角、偏摆角的误差分离和实时测量原理。
现有的阵列校正算法几乎都没有考虑存在多径效应时的情况，对此提出了一种米波雷达低仰角环境下波达方向估计和阵列通道误差校正的新算法。
Most of the existing array calibration methods require a specific type or class of sources, and need some pre-knowledge of the sources parameters such as directions-of-arrival (DOA).
现有的阵列校正算法几乎都没有考虑存在多径效应时的情况，对此提出了一种米波雷达低仰角环境下波达方向估计和阵列通道误差校正的新算法。
Most of the existing array calibration methods require a specific type or class of sources, and need some pre-knowledge of the sources parameters such as directions-of-arrival (DOA).
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