测角

CCD电视经纬仪测角精度的室内检测及其误差源分析

Indoor examination and error sources analysis of angle measurement accuracy of CCD television and theodolite system

结果表明，在卫星光通信系统设计中，综合考虑测角精度要求、终端功耗限制等因素，选择CCD成像光斑相对尺寸在2到3之间为最佳。

It showed that considering the requirement for angle measurement precision and condition of the terminal power limitation , the relative size of the spot imaging on CCD should be between 2 and 3 in the design of a satellite optical communication system .

基于FPGA的准直测角系统

The CCD collimating system based on FPGA aiming to measure angle

基于FPGA的嵌入式通用轴角测角平台系统的研究

A Survey on Embedded System of Measuring Axle - Angle Based on FPGA

双晶体x射线测角仪

Double crystal X-ray goniometer

故障部位包括X射线装置、样品室和光谱室的真空、探测器、晶体和测角仪。

The malfunction places include X ray generation device , vacuum of sample and spectrum chamber , detector , crystal and goniometer .

基于PIC单片机和精密电位器的测角系统

The Angle Measuring System Based on PIC Single Chip Computer and Precise Potentiometer

自动识别系统ATR的测角精度研究

The precision of angle measurement of automatic target recognition system

本文对MUSIC算法测角精度进行了分析，给出了测角精度随两目标夹角、信噪比及快拍数而变化的数值结果。

This paper analyses direction-finding precision of the MUSIC superresolution algorithm , and presents numerical results of the precision related with directions of two targets and signal to noise ratios and snapshots .

该系统采用PWM功率放大和光电编码测角反馈技术，并研制出VAX仿真主机与工控机之间的16位并行数字实时通讯装置。

Meanwhile , the 16 bits parallel real-time communication system between VAX simulation computer and industrial PC is realized .

简要介绍了近几年来多晶X射线衍射仪的光源、测角仪、样品台、光学系统、附件、检测器和应用软件方面的技术进展和用途扩展情况。

This paper briefly introduced the technology progress in X-ray source , goniometer , optics , sample holders , accessories , detectors and software of polycrystal X-ray diffractometers in recent years .

由此，对具有专门的针对性的GPS平面精度检验方法，即样品检核法、长度检核法、测角检核法作出了分析和阐述，以供高精度平面精度检验参考。

GPS plane precision checkout method , which has pertinence , of sample , length , and angular measurement is being analyzed and expounded for reference of high plane precision checkout .

介绍了PCA模块的工作方式和自准直测角原理，以及系统硬件、软件设计。

The function description of PCA module and principle of self-collimated angle measuring is proposed , as well as the design for hardware and software .

ARL第四代莫尔条纹测角仪专利，全自动控制；

ARL fourth generation of moire fringe Goniometer patents , automatic control ;

随着地面台站架设平台不同，平台的摇动会给MLS系统带来测角波动。

Along with the ground station mount on different platform , the platform 's vibration can give the MLS system to goniometrical fluctuation .

然后利用新提出的基于Radon变换的目标杂波分离算法将ISAR像中的海杂波抑制掉，再对目标散射点进行单脉冲测角。

Secondly , the sea clutter in ISAR image plane is suppressed by the proposed method based on Radon transform . Finally , the monopulse three-dimension imaging method is applied .

通过贯通测量误差预计，制定合理测量方案，利用GPS联测加测陀螺定向等方法，提高测角精度，保证工程顺利贯通。

Through predicting error of transfixion measurement , constitutes the scheme of reasonable measurement , by using the methods of GPS conjunction and gyrostatic orientation survey and os on , raises the precision of goniometry and ensures the project favorable transfixion .

电子角规是电子经纬仪与PDA的有机结合，电子经纬仪测角精确，配合相应的PDA应用程序，可以准确地实现角规的量测胸高断面积功能。

Electronic angle gauge is organic combination of electronic theodolite and personal digital assistant . It can accurately survey forest basal area by reason of precise angle-surveying of electronic theodolite and corresponding PDA program .

将雷达中单脉冲测角算法用于移动通信系统中用产信号到达方向（DOA）估计，提出了一种适用于CDMA系统的DOA估计算法。

Estimating user 's signal direction of arrival ( DOA ) in mobile communication systems , with the mono pulse estimation algorithm in radar systems . A DOA estimation algorithm for CDMA systems is proposed .

文中给出的实验测试结果成功地用于JC-1型精密测角仪中。

The experimental results given in the paper have been successfully applied to the development of JC-1 preci-sion goniometer .

然后，以分布式火控系统中具有较低重频激光测距的CCD图像跟踪系统为背景，研究了利用跟踪系统所提供的高频测角信息提高目标状态估计精度的算法。

Thirdly , based on CCD image tracking system with low repetition frequency laser range finder , an efficient estimation method is given in this paper , which could obviously improve the state estimation precision of target without increasing any hardware cost .

传统方法主要是利用到达方位角（DOA）信息对辐射源进行测向交叉定位，但由于该方法对测角精度的敏感性，仅利用DOA信息会导致定位精度低、算法收敛时间长等不良后果；

The traditional method is to use DOA ( direction of arrival ) information to perform direction finding and cross location for the emitter , but the method may result in bad accuracy or long convergence time .

本课题高平稳低速率转台测角系统的设计和研究以H相机外景成像转台的研制为背景，针对该高平稳低速转台设计高精度动态测角系统，以满足各种转台系统的不同需求。

This paper written on the background of the research of exterior imaging turn-table , designs high precision dynamic angular measuring system , which aims at this low speed , low speed ripple turn-table . And this paper makes it easily to accommodate to different angular measuring system .

基于高分辨距离间隔像的频率步进单脉冲雷达测角技术研究本文对频率步进信号（Stepped-Frequency）及其合成孔径雷达成像进行了全面深入的研究。

Research on Stepped-Frequency Monopulse Radar Angle Measuring Technology Based on High Resolution Range Separation Profile The stepped-frequency waveform design and stepped-frequency SAR imaging are discussed detailedly .

最后经过分析推导提出了基于FFT的频域单脉冲比幅测角算法，利用该方法测角可以保证测角精度，同时，由于是分离散射中心测角，所以还起到了抑制角闪烁的目的。

Finally , an frequency-domain monopulse amplitude comparison angle measurement algorithm based on FFT is deduced . The algorithm not only ensure the angle measurement accuracy , but also can suppress the glint due to the separation of scattering centers .

测角系统及其可靠性对GJ-341小型遥控光电经纬仪测量精度的影响

The effect of surveying angle system and its reliability on measuring accuracy of GJ-341 small remote-control optical-electronic theodolite

GS-221高速摄影测量仪测角信息的采集与处理

A method of angle information sampling and processing in GS-221 high speed photographic measuring instrument

利用Verilog-HDL语言开发了数字RDC测角系统和驱动控制系统的三角函数计算、PID控制器、坐标变换、SVPWM等功能模块，并对主要模块进行了仿真和实验验证。

Then , in Verilog-HDL Language , main modules of the system such as trigonometric calculations , PID controller , coordinate transformation , SVPWM and so on are developed , and then verified by simulation or experiment .

提出一种改进型的ESPRIT算法，对传统ESPRIT算法作以改进，提高了ESPRIT方法的性能，在小信噪比、多信号源的情况下提高了算法的测角精度。

This paper provides an improved ESPRIT algorithm , which can effectively improve performance of the ESPRIT algorithm as well as increase angle measurement accuracy under low signal to noise ratio ( SNR ) and multiple signal sources .

根据自整角机的构造、工作原理和输入输出信号特性，提出了一种新型的硬件测角方法，并应用于EEC检测系统发动机试车模块。

According to the structure , principle and IO characteristics of the automatic adjust-angle transformer , this paper proposes a new hardware measuring method and has been applied in the test run part of the EEC Detect System .