查询词典 tracking

The thesis decompound object trajectory, and then respectively tracking to research practicability of the optimal preview control algorithm, so the thesis design a set of tracking control experiment system.

文章通过将目标轨迹进行分解，然后分别加以跟踪控制的方法来研究最优预见控制算法的实用性能，所以在随后的研究当中设计了一套跟踪控制实验系统。

Simulation results show that tracking accuracy is improved obviously, and the dependance of its performance on the target paths is weakened. The tracking problem for maneuvering targets is briefly outlined.

仿真结果表明，这种SOPLAT型多基地系统明显地改善了系统的定位跟踪性能，且削弱了定位跟踪性能与目标航迹的依赖程度。

In addition, the emendation between the detection results and the tracking results improves stability of the whole tracking system better.

另外，算法中检测结果和跟踪结果的相互校正进一步提高了系统的稳定性。

In the channel tracking scheme utilizes grouped data to reduce complexity of channel tracking estimation.

同时在信道追踪估计部分，采用数据分组的追踪方式以降低信道追踪估计的复杂度。

Simulation results show that the proposed method comes to stabilization within 50 s and that its tracking initial error can be reduced to the hectometer level with the measurement precision of 20 ns. But the traditional method requires 250 s to go to stabilization and its tracking initial error is greater than the kilometer level.

仿真结果表明，在20 ns的测量精度条件下新方法在50 s内即可进入稳定跟踪状态，跟踪起始误差也减小至百米量级，而传统时差定位方法需要250 s才能进入稳定跟踪状态，跟踪起始误差则超过了千米量级。

Take full advantage of the continuity and uniformity of target moving contrail ,put forward a effective arithmetic of multi-target tracking about homonymy matching among frames, so the difficulty of multi-target tracking disturbing is avoided ,at the same time, considering the complexity, the stabilization and the real time ,the approach adopted the most advanced graphics workstation, the high speed frame-grab technology and the memory method of SCSI hard disk array .

充分利用目标运动轨迹的连续性和均匀性，提出了一种有效的帧间同名匹配的多目标跟踪算法，避免了多个目标的跟踪干扰问题，同时考虑到算法的复杂性，为了满足跟踪的实时性和平稳性，采用了最先进的图形工作站以及高速的图像采集技术和SCSI硬盘阵列存储手段。

Based on the concept of zero-path tracking in homotopy which is generalized into minimum of energy function path tracking and considering that different homotopy path has greater impacts on convergence speed, a new method is put forward——the non-line homotopic BP algorithm.

本文在将同伦论中的零点路径跟踪概念推广到对多层前馈神经网络能量函数极小点路径跟踪的基础上，注意到不同的同伦路径对收敛速度的影响，提出了一种改进算法——非线性同伦BP算法。

The concept of zero-path tracking in homotopy is generalized into minimum-path tracking and a new method for the training of multi-layer perceptron is thus put forward──the homotopic BP algorithm. An analysis is made on the convergence property of the proposed method.

采用同伦BP算法进行多层前向网络的训练高小榕，杨福生（清华大学电机及应用电子工程系北京100084）摘要本文把同伦论中零点路径跟踪的概念推广到多层前向网络能量函数极小点路径的跟踪，从而提出多层前向网络一种新的训练方法──同伦BP算法（包括教师同伦和输入同伦），并且分析了其收敛性质。

The experiment results will show the accuracy of the designed sun tracker under outdoor environment and then the MPP under two different sun tracking processes (uses sun tracker tracking or installs PV array toward the sun with 23.5 degrees immovably) also will be compared.

实验结果将会显示所设计的太阳追踪器在室外环境下能准确的追踪太阳位置。此外，太阳能板以固定朝南23.5和用太阳追踪器追踪到太阳后各自所产生的最大功值也将会被比较。

The difficult part of target tracking lies in the indetermination of target, including the maneuverability of targets and the character of multiple targets tracking.

目标跟踪的主要难点在于目标的不确定性，包括目标的机动性和多目标的问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。