查询词典 tracking

According to the geometrical optics, the focusing spot of this parabolic mirror is studied by ray tracking.

根据几何光学原理，采用光线追迹的方法对该抛物面镜的光斑进行分析，证明通过抛物面镜反射聚焦后，能够将原始圆形激光束整形为光强分布均匀的窄条形光斑。

Measurement of tracking gimbal frequency response in engineering.

跟踪架频率特性的工程测试与数据分析。

The dissertation is about the identification of its controlled model and its resonant frequency point by the direct use of computer control system of the tracking gimbal from engineering application aspect.

论文从工程应用角度上直接利用跟踪转台的计算机控制系统，辨识其用于计算机控制的二阶模型以及系统的机械谐振频率点。

The characteristics of the multi-gimbal structures were analyzed based on the kinematics theory of LOS stabilization and tracking, and the selection principle for gimbal structures was given.

根据视轴稳定跟踪的运动学原理，分析多环架结构的运动特点，指出结构形式的选择依据。

Simulation and experimental results validate high trajectory tracking performance and global property.

仿真和实验结果表明系统在该控制律作用下具有良好的轨迹跟踪性能和全局特性。

We cannot be optimistic about our chances for success in tracking down the other possible glycerine shipments.

"我们所接触的政府官员都不愿参与此事"，一位驻北京的美国大使在一封密电中写到，"在追踪其他可能的二甘醇发货方式时，形势不容乐观。"

Meanwhile, it was difficulty to apply angle conversion system to practical goniometry curcuit. The fast following-up conversion was improved and a high-precision dynamic goniometer system and a nonlinear high-speed following-up conversion mode based on inductosyn were proposed, which were applied to the serve system of some weapon. The results of the dynamic and static tracking indicated that the servo system with fewer errors could satisfy the requirements of the accuracy.

对快速跟踪型轴角转换方法进行了改进，提出了一种基于感应同步器的高精度动态测角系统及非线性快速跟踪型转换方式，并在某武器伺服系统中进行了应用，动静态跟踪结果表明该伺服系统的误差较小，满足精度的要求。

The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC 振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA 实现数字逻辑控制以及地址解码，将转换后的16 位并行转角数据以及方向信号送入DSP 中。

In this design, a single-phase exciting signal generated by RC oscillatory circuit is applied to the rotor of synchro. The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

In this design, a single-phase exciting signal gener AT ed by RC oscill AT ory circuit is applied to the rotor of synchro. The sine and cosine signals induced on st AT or are amplified by instrument AT ion amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA , and the converted 16-bit parallel angle d AT a and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过 FPGA 实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。