俯仰角
- Pitch angle;angle of pitch
![俯仰角](../cache/1413645.jpg)
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它既保证了航行雷体的闭环稳定,又实现了对深度或俯仰角指令的跟踪。
At last the robust controller is valid by verification , which guarantees the the closed loop stability of the vehicle and achieve the tracking of moving body 's depth or the angle of pitch .
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由于船舶垂向位移、横向位移和纵向位移,以及船舶摇摆引起的声纳基阵的线位移,声纳基阵相对于目标的方位角和俯仰角不是固定不变的。
Because of the vertical displacement , lateral displacement and longitudinal displacement of the ship , as well as the line displacement of the sonar array caused by ship rocking , the azimuth and angle of pitch between the sonar array and the target do not immobilize .
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基于Kalman滤波的俯仰角速度估计
Pitch angular velocity estimate based on Kalman Filtering
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方位角与俯仰角因素对RCS影响的统计学分析
Statistic Aanalysis of Impact of Azimuth and Pitch Angle on RCS
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建立了4自由度汽车振动模型,利用Matlab软件仿真得到汽车车身质心垂直加速度功率谱密度和俯仰角加速度功率谱密度。
A four-degree-of-freedom vehicle vibration model was set up and the PSDs for vertical acceleration and pitching angular acceleration of vehicle body centroid were got through Matlab simulation .
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通过基于遗传算法整定的PID控制器对纵向模型进行控制,利用MATLAB仿真软件进行俯仰角的阶跃响应模拟仿真。
For the first time the PID controller based on genetic algorithm control longitudinal model , and using MATLAB simulation software to make the pitching angle step response simulation .
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最后本文研究了在冲击噪声环境中同时给出方位角和俯仰角估计的二维测向算法,对DOA矩阵法进行改进,提出了协变异DOA矩阵二维测向算法,保留了原算法的优异性能。
Finally , the covariation-based 2-D DOA matrix method is proposed , which retains the advantage of the original DOA matrix algorithm .
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基于LMI方法设计和推导了鲁棒跟踪控制器,实现了俯仰角和深度的跟踪,通过弹道仿真验证了跟踪控制器的有效性。
Controller design of initiative attacking mine 's attacking trajectory based on LMI method and validation of tracking controller 's effectiveness .
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利用目标的方位角、运动速度、俯仰角和雷达散射截面积(RCS),提出了一种雷达目标识别方法。
A target recognition method of radar is presented in this paper , using azimuth , velocity , pitch and RCS of the target .
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研究了一种短波段新型小尺寸折叠伞锥天线的空间辐射特性,讨论了E面方向图空间俯仰角域的辐射抑制特性,给出了空间辐射场的计算结果。
The radiation pattern of a new umbrella monopole antenna was simulated numerically , and the radiating or receiving zero field in some spatial range of E plane pattern of the antenna was discussed .
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实验验证了本算法具有良好的鲁棒性(旋转角、俯仰角、光照背景),而且处理满足实时性的要求,并可根据SURF点匹配计算UAV的姿态。
Experiments shows that the system is with a good robustness ( rotation angle , pitching angle and light ) and can meet the requirement of real-time processing .
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研究结果表明,在SINS动基座对准过程中,同时改变俯仰角、横滚角和航向角的俯冲转弯横滚角变化是一种最佳的机动方式,计算机仿真结果验证了该机动方式的有效性。
The research results demonstrate that the dive-round-roll maneuver is the optimal maneuver manner for initial alignment of SINS on moving bases , and the computer simulation results illustrate the validity of this maneuver .
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仿真结果表明,通过选择恰当的加权函数设计电液主动悬架H∞控制器能够有效降低车身垂直加速度和俯仰角加速度,改善汽车的行驶平顺性和乘坐舒适性。
The simulation results show that the electrohydraulic active suspension system with the H_ ∞ linear output-feedback controller greatly reduces the vertical acceleration and longitudinal acceleration of the vehicle body and improves the ride and handling performance as appropriate weighted functions are selected .
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基于Runge-Kutta方法得到了在滑道式俯仰角控制结构下分离过程中模型角度、角速度与时间之间的对应关系。
The Runge-Kutta method is utilized to obtain the relationship between the angle as well as the angular velocity and time in the case of the slide way structure .
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分析了目标阴影产生的原因,给出了目标高度与雷达俯仰角和阴影的关系,指出在高分辨SAR图像中可以基于阴影提取目标三维几何特征。
The analysis results of the produce of shadow and the relation among the height of target , depression angle of radar and shadow show that it is possible to extract 3-D geometric features extraction from SAR target in high-resolution SAR imagery .
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利用三轴MEMS加速度计和三轴MEMS陀螺数据,由方向余弦矩阵的姿态表示形式推导了扩展Kalman滤波方程,解算出飞行器的俯仰角和横滚角;
The data from 3-axis MEMS accelerators and 3-axis MEMS gyros is used to determine the pitch angle and the roll angle of the air vehicle using an extended Kalman filter ( EKF ) equation deduced from the direction cosine matrix .
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分析了LiDAR仪器锥扫角产生的原因、对点云结果的影响方式,讨论了锥扫角与集成误差中俯仰角误差对点云结果影响方式的不同。
In order to analyze the causes of LiDAR instrument cone scan angle and its impact on point clouds , differences between the impact of cone scan angle error and pitch angle error to point clouds are discussed .
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在时域范围内建立RBF神经网络非线性映射模型,另取一组仿真得到的车身质心垂直加速度和俯仰角加速度代入已训练好的网络识别路面不平度。
The nonlinear mapping relations in the field of time are found by RBF neural networks . Another vehicle body centroid vertical acceleration and pitching angular acceleration which are calculated by simulation are used to identify road surface roughness by trained networks .
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较之传统的TRIAD算法,融合TRIAD算法的偏航角、俯仰角和滚动角精度分别提高了35%,19%和34%
Compared with the traditional TRIAD algorithm , the fusion TRIAD algorithm can improve the accuracy of attitude solution 35 % , 19 % and 34 % in azimuth , pitch and roll respectively .
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应用多目标分辨算法(C2算法),对其在某相控阵雷达系统中低空目标俯仰角偏轴跟踪测量性能进行了分析和仿真,为雷达系统的设计提供依据。
By means of the analysis based on the model of multipath reflection environment , the traditional multi-target discrimination algorithm ( C2 ) was adopted to estimate the elevation of the low-altitude target and use in a phased control radar system .
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本文证明飞机俯仰角速度的模型参考自适应控制系统(MRACS)对未建模的长周期模态的稳健性。
The purpose of this paper is to prove the robustness of a scheme of model reference adaptive control system ( MRACS ) of pitching velocity to the unmodeled long period mode .
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本文采用低成本惯性测量组件(IMU)设计了低成本IMU/GPS组合系统的硬件和相应的软件,进行了静态实验和数据处理,系统的俯仰角和横滚角误差均小于0.2°。
This paper describes the low cost IMU / GPS integrated system , including the hardware components ( data acquisition system ), the navigation software and the integration software . Static test and data processing show that the system can achieve less than 0.2 ° in pitching and rolling .
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针对倒立摆、水轮机调速器、鱼雷定深、飞机高度及直升机俯仰角的控制,分别设计了自抗扰控制器(ADRC),给出其数值仿真结果,并与其它控制方案的仿真结果进行比较。
Auto disturbance rejection controllers ( ADRC ) are designed respectively to control inverted pendulum , hydro governor , the depth of torpedo , the height of airplane and the pitch angle of helicopter . Simulation results are given and compared with those of other control strategies .
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仿真实验结果表明在俯仰角和横滚角小于30°及信噪比为60dB的情况下,所提出的方法标定后的偏置与敏感度最大误差小于0.5%。
Simulation results show that the calibration error of the proposed method is less than 0.5 % when the pitch and roll are within the range of 30 ° and the signal to noise ratio is 60 dB .
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雷达低空目标俯仰角偏轴测量的C~2算法研究
C ~ 2 Algorithm Research in Low-Altitude Target Elevation Off-Axis Measurement
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基于视觉着陆的无人机俯仰角与高度估计
Estimating pitch attitude and altitude of unmanned aerial vehicle vision-based landing
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自主飞艇俯仰角姿态动力学建模及控制
Pitching attitude dynamics modeling and its control of unmanned dirigible airship
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此外,它们还能提供俯仰角信息。
Moreover , they can provide the elevation angle information .
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三维尺寸测量采用交汇测量的理论,通过被测工件的俯仰角和方位角大小得到其三维尺寸。
The measurement of 3D size adopts the principle of cross measurement .
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矢量水听器宽带多途信号仿真及俯仰角估计性能研究
Simulations of broadband multipath signals for vector hydrophone and the orientation performance study