The accuracy of angle and range estimation of acoustic localization method based on four-element sensor array is influenced by target azimuth angle.

Mud Technology for Three Multiple Target High Angle Wells of Henan Oil Field Research and Application of Heavy Mud Technology in Strong Mud-making Formations

河南油田三口大斜度多目标井的泥浆技术严重造浆地层高密度钻井液技术研究与应用

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Finally, the method using the characteristics of the echo stretching to retrieve the target inclination angle was brought forward.

最后提出了利用激光遥感回波脉宽展宽特性反演目标倾斜角的方法。

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Meanwhile, target extension angle estimation value and estimation variation are presented. Finally, experimental result is given by feature extraction.

同时利用目标方位走向特征向量，给出了体目标的目标视在张角估计值，做为识别判据。文章给出了目标方位走向的提取方法、试验结果，同时给出了目标视在张角估计方差。

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Big azimuth angle error can be caused by small attitude error at both situation when target pitch angle is big.

不论哪种情况，当目标俯仰角较大时，小的姿态误差都会导致姿态变换后大的方位角定向误差，提出应用时应尽量减小目标俯仰角。

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Using this method the problem of measuring target directional angle in anti-TBM aimed warhead was solved.

将该方法应用到反导定向战斗部中，解决了反导定向战斗部确定目标方向角信息的技术难题。

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The results show that the pdf of target's angle by considering both parts is accordance with the simulation data.

结果表明综合考虑实部和虚部得到的目标角度概率分布与仿真数据吻合。

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Determination of the Target Approaching Angle while Launching Air-to-Air Missiles

发射空对空导弹时目标进入角的确定

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Research on Target Orientation Angle Measurement with Wireless Phase Discrimination Method in Anti-TBM Aimed Warhead

反导定向战斗部目标方位无线电比相测角法研究

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The influences of target deflection angle on corner extraction are analyzed through different experiment targets.

通过引入不同的实验对象，分析了目标偏转角度对于角点提取的影响。

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Acquired conclusion is that using fire control system to automatically measure target angle speed and to fire is a basic method to fire at moving and static targets, this method is preferred to use when tank fire control system can operate regularly.

通过对各种射击方法进行精度分析，可以得出结论：使用火控系统自动测量目标角速度并进行射击，是对运动和静止目标射击的基本方法，在火控系统能够正常工作时必须首先采用。

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The simulation results show that the new control strategy can get better control characteristics and compensate for the target angle value based on the pressure signal shock. ( 3) A new method of high-speed communication between the upper and lower computer.

仿真结果表明，新控制策略能够根据新增间隙值对转角设定值进行补偿。（3）提出了一种上下位机高速通讯的新方法。

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Based on the definition of radar tracking target angle velocity maximum and acceleration maximum, relates the feasibility to represent the angle tracking characteristic, and the simulation way of the low frequency error signal is discussed.

基于雷达跟踪目标最大角速度和角加速度的定义，分析了用雷达跟踪目标最大角速度和角加速度表征雷达跟踪性能的可行性，并对角误差信号的模拟方法进行了讨论。

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The target angle of the X-ray tube recently used is relatively small, thus the dispersing curve of its irradiating quantity is quite different from the X-ray tube used in the experiment in the history.

近年来使用的X线管靶面倾角较小，因此其照射量分布曲线与历史上用作实验的X线管也不尽相同。

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The traditional warning system is aimed to provide remote detection with accurate target angle and distance information as early as possible. And it can quickly give out the threat level and warning.

传统的预警系统是针对目标进行远程探测以尽早提供较为准确的目标角度及距离信息，并迅速判别威胁程度和发出告警。

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Considering the target angle rate changing, an adaptive attitude tracking control law was designed based on the error quaternion, and the corresponding close system stability was also proved.

考虑目标姿态角速度可以时变的一般情形，设计了基于误差四元数的自适应姿态跟踪控制律，给出了稳定性证明。

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Self-tuning PID control parameters results virtually have no overshoot and get stability in short time, and have less oscillation at the set target angle value.

从控制结果上参数自调整PID控制结果几乎没有超调，稳定时间短，在设定的目标角度值附近振荡少。

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The error of real-time steering engine angle between target angle and the transformation of error get a reasonable intelligent classification.

将舵机的实时舵偏角度与给定目标角度的误差以及误差的变换量进行了合理的智能分级。

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A Study on Target Angle Error Obtaining Algorithm for Conical Scan MMW Pulse Doppler Radar Seeker

毫米波脉冲多普勒雷达导引头锥扫测角算法

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The Effect of Target Angle on Range Estimate Error in Sector Scan TWS Radar

扇形扫描的TWS雷达目标方位角对距离估计误差的影响

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Analysis on what condition should be fulfilled to reach any target angle;

在何种条件下可以达到任意角度的分析；

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