查询词典 trajectory

In this paper, we use artificial fields to steer and control the steering angle and derive a linear velocity control law to guarantee the optimal convergent trajectory.

该文通过建立人工场的方法来引导和控制方向角，通过辅助的线速度控制前进或后退，以获取最佳收敛路径。

The mentioned control scheme can effectively control two joint of space manipulator to stably track the desired trajectory in joint space. It has obvious advantages that with needless feedback and measured the position, velocity, acceleration, attitude angle velocity and attitude angle acceleration of the floating base. At the same time, no requirements for the dynamic equations of the system are linearly dependent on inertial parameters.

文中提到的控制方案能够有效地控制漂浮基空间机械臂的载体姿态及机械臂关节，可以协调地完成期望的轨迹运动，并具有不需要反馈和测量空间机械臂载体的位置、移动速度、移动加速度，同时也不要求系统动力学方程关于系统惯性参数呈线性函数关系的显著优点。

Methods 110 patients with upper ureteral caculus were treated with Vensapulse Select holmium laser lithotrity through urethra, and the data were compared with the controls of 130 patients treated with air pressure trajectory lithotrity.

利用Versapulse Select钬激光机经输尿管肾镜治疗110例输尿管上段结石病人，并以130例接受气压弹道碎石术的病人作为对照。

In order to check and control trajectory of the curve of punch, the author studies the location principle of the punch, and determines the parameters that need to be measured during the punch works.

为对穿孔机曲线轨迹进行检测与控制，文章分析了穿孔机的定位原则，确定了穿孔机施工时需要测量的参数。

Bicycle is a man-powered, relatively low speed, agile and vulnerable traffic tool, its moving trajectory is quite different from that of a motorcar.

自行车是一种人力驱动，相对低速、灵活的交通工具，它的行驶线路与基于车道行驶的机动车截然不同。

This filter method is applicable to maneuverable tracking of the target using its trajectory data.

该滤波方法尤其适用于对弹道式目标的机动跟踪。

In this paper, a typical robot system manipular is taken for an example, by adopting backstepping control, adaptive neural network and damping scheme, a smooth robust adaptive controller is achieved to track the given reference trajectory and swicthing is avoided.

本文以典型的机器人类系统机械臂为例，使用反步控制结合自适应神经网络和非线性阻尼技术，给出了一种光滑的鲁棒自适应控制器来跟踪给定参考轨迹，避免了控制器的切换。

In this paper, a design method for the 3-degree standard return trajectory of the manned spaceship is studied.

本文研究载人飞船三自由度标准返回轨道的设计方法。

In this case, the received carrier is modulated by unknown Doppler frequency and frequency rate. The estimation techniques as maximum likelihood estimator and extended Kalman filter are described and compared in our dissertation by tracking a common simulated highdynamic trajectory.

文中详细推导了任意信噪比情况下，时延和多普勒频率估计的方差下限表达式：在信噪比高于门限信噪比的情况下，具体推导了估计方差的Cramer-Rao限；在信噪比低于门限信噪比时，估计的方差下限还与失锁概率有关。

The convergence of the mean shift procedure to the closest mode of the underlying distribution is proven, both for the Epanechnikov kernel and the general case of kernels with convex and monotonic decreasing profile. The smooth trajectory property of the mean shift is also demonstrated.

均值平移算法对于Epanechnikov 核函数的收敛性在本文中得到了证明，进而推出均值平移算法收敛的充要条件是核函数具有凸的、单调递减性质的轮廓；揭示了均值平移过程运动轨迹的平滑性。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。