The Space VLBI is supported by NASA ground tracking stations.
该项空间VLBI观测由NASA的地面跟踪站支持。
VLBI observations at Shanghai Observatory in 1991 are described.
本文介绍了1991年上海天文台VLBI观测概况。
In Chapter 1, the basic concepts of VLBI were briefly described.
第一章，介绍了甚长基线的基本概念。
This paper describes the two-channel observations with experimental VLBI system.
利用实验VLBI系统进行的双通道观测。
'The procedure is called VLBI, which stands for "Very Long Baseline Interferometry'."
' '程序是所谓的超长基线干涉测量，即“甚长基线干涉测量' '。”
The method of clock calibration in VLBI spectrum observation is described in this paper.
本文给出在VLBI谱线测量中钟校准的方法。
We have improved fringe search method for processing VLBI data at low signal-noise ratio (S/N).
为了处理低信噪比（S/N）的VLBI观测数据，我们对现有的条纹搜索方法做了改进。
First trial observations have been made since the establishment of the experimental VLBI system.
实验VLBI系统建立后进行了初次试验观测。
We improve the Supporting Electronics System of the two sets of H-clocks at SherShan VLBI station.
我们对佘山vl BI站的两台氢钟的辅助电子学系统进行改进。
The relativistic geometric time delay of VLBI is derived in the Barycentric Reference System (BRS).
本文以太阳系质心参考系为基础推导了VLBI时延和引力延迟的后牛顿表达式；
Now, the MK5A system has been successfully applied in all VLBI experiments of Shanghai Astronomical Observatory.
目前，MK5A终端系统已经成功地应用于上海天文台所有的VLBI实验。
In this paper, we derived a plate motion model based on space geodesy, called SGPMM1, from integrated VLBI and SLR data.
本文组合应用vlbi和SLR数据导出了一个完全基于空间技术实测数据的现时板块运动模型，称为SGPMM1。
The structure and application of mobile VLBI data processing software KVLBI of Shanghai Astronomical Observatory have been reviewed.
介绍了流动VLBI大地测量数据处理软件的结构及应用，并利用现有的观测数据资料进行了计算。
The FPGA-based implementation of data input module and data output module of VLBI standard interface is expatiated in this dissertation.
本文主要阐述基于FPGA实现VLBI标准接口数据输入模块和数据输出模块。
Currently mesh reflector antennas are utilized onboard the spacecraft for satellite communications, remote sensing and VLBI applications.
目前，网状反射面天线被广泛应用于卫星通信的宇宙飞船、遥感和VLBI中。
VLBI observations of nutations are compared with IAU1980 nutation series. Their deviations can provide a basis for improving IAU nutation theory.
比较了VLBI 章动观测值和IAU1980章动理论值，其差异可为改进章动理论提供依据。
Some ordinary forms of sparse matrix and the application of sparse matrix technology in astrometric and geodetic VLBI data analysis are introduced.
介绍了稀疏矩阵的四种常见形式以及稀疏矩阵技术在天测与测地VLBI数据处理中的应用。
The paper is intended to represent this impact, and to cover the major researches on astrophysics with VLBI and the purposes of those investigations.
本文力图反映这种影响，并概述VLBI天体物理的一些主要研究课题及其研究目标。
The recent status and progress of International ground base VLBI network projects as well as space VLBI missions are briefly described in this paper.
本文介绍了近年来国际上地面VL BI网和空间vlbi计划的概况和进展。
Antenna system noise temperature and antenna efficiency are the most important items in the system debugging and checking before the VLBI observation.
在流动vlbi的观测试验中，天线系统噪声温度和天线效率是观测前系统调试和检测的两项重要内容。
These devices are very adaptable for space use in very high precision measurements of Angle through VLBI and of range and range-rate through Doppler techniques.
这些装置对空间vlbi高精度的角度测量以及多普勒技术高精度测距和测速是非常适用的。
The structural variations and superluminal motion within some QSSs and AGNs are considered as one of the most important astrophysical phenomena revealed by VLBI.
类星体和活动星系核结构的变化及其中的视超光速运动，被认为是用VLBI方法所揭示的最重大的天体物理现象之一。
The structure and the functions of the high-speed FX correlator of Chinese VLBI network are described, and its long term accumulator (LTA) is introduced in detail.
介绍了中国VLBI网FX型相关处理机的结构和功能，并着重阐述了相关处理机的长期累加器子系统（LTA），它是相关处理机的条纹数据压缩部件。
An optimum distribution condition of radio sources for the determination of Earth rotation parameters by means of VLBI technique was proposed and explained in detail.
本文提出了应用射电干涉测量的方法测七地球自转的三个参数时，源矢量的最佳分布条件。
The first two chapters of this thesis will introduce the background of this project, the research status in domestic country and abroad, and the new technology on VLBI.
论文的前两章介绍了课题研究的背景，数字基带转换器的国内外研究情况以及VLBI新技术的进展。
Because of the inherent internationalism of VLBI, a new concept of VLBI standard interface is proposed in recent years, corresponding specifications are established soon.
由于它具有国际性的特点，近年来人们提出了VLBI标准接口的概念，并迅速制定了相关规范。
In the solution of high frequency variation of ERP from VLBI observations, the direct solution mode with the consideration of the pole offsets is accordingly recommended.
为此，在基于VLBI资料解算erp高频变化时，建议采用直接求解模式，并考虑岁差章动模型偏差的影响。
With wavelet method of modern signal process domain, the report carries out researching into wavelet method of correlation process of VLBI of satellite and radio resource.
该报告结合现代信号处理领域的小波分析方法，对卫星和射电源vlbi观测信号的相关处理进行了小波方法研究。
The simulate computations from real observational data of VLBI Network proved that the accuracy of KVLBI has satisfied the requirement of mobile VLBI data processing in China.
结果表明，我们的计算精度可达到国内流动VLBI观测数据处理的要求。
Using an astronomical technique called electronic, real-time Very Long Baseline Interferometry, or e-VLBI, participating telescopes will observe the same object simultaneously.
使用一种名为电子实时甚长基干涉测量法(e -VLBI)的技术，多个望远镜可以同时观测同一个目标。
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