A Simple Method for Measuring the G/ T Value of the Active Antenna by Use of the Satellite Beacon 利用卫星源测量有源天线G/T值的简便方法
Identification of Active Noise Control Experimental System's Error Path; Measurement Error Analysis for In-Orbit Test of Satellite Communication Payloads 有源消声实验系统的误差通道的辨识卫星通信有效载荷在轨测试误差分析
Active satellite attitude control system 主动卫星姿态控制系统
Optical fiber communication is the most active technology of communication field. Optical fiber communication, satellite communication and mobile communication are the three main orientations of modern communication technology. 光纤通信已成为通信领域最为活跃的技术,它与卫星通信、移动通信形成现代通信技术的三大主要发展方向。
The Study of Active Magnetic Control System for Gravity Gradient Small Satellite 具有主动磁控的重力梯度稳定系统的研究
A Study on the Active Vibration Control of Satellite Solar Panel Substrate 卫星太阳能帆板振动抑制研究
The recently developed nonlinear active disturbance rejection controller ( ADRC) is applied to attitude control of large flexible multi-body satellite with reaction wheels. 研究了最近提出的非线性自抗扰控制器(ADRC)在大挠性多体卫星姿态控制中的应用问题。
A River Bank Extracting Algorithm Based on Active Contour Model from High-resolution Satellite Images 基于活动轮廓模型的高分辨率影像河道边界提取算法研究
Design of the Active Disturbance Rejection Attitude Control System for Large Flexible Multi-body Satellite 大挠性多体卫星的自抗扰姿态控制系统设计
Fuzzy control algorithm for active magnetic control small satellite 主动磁控小卫星模糊控制算法研究
Analysis of active faults in Taiwan Province and their relation to earthquakes from satellite images 从卫星影像上分析我国台湾岛活动断裂及其与地震的关系
The active roll of the satellite education and the potential influence of the development of VASTs in developing nations are addressed in this paper. 本文讨论了卫星教育在发展中国家的作用以及微型地球站的发展对卫星教育的潜在影响。
Distributed database ( DDB) system is becoming one of the most active IT fields with the quick development of computer network and communications technology and wide employment of satellite communications, cellular communications, LAN, WAN, Internet and Intranet. 计算机网络与数字通信技术正得到飞速发展,卫星通信、蜂窝通信、计算机局域网、广域网和激增的Intranet及Internet的广泛应用,使分布式数据库系统应运而生,并成为计算机技术最活跃的研究领域之一。
2M SDH digital circuits to be the active one, satellite transmission circuit to be the on-line standby one. 3,2MSDH电路为主用电路,以卫星电路作为备用电路。
In this paper, at first, the plane distribution of main active faults in the Basin of Linfen-Yuncheng are interpreted by satellite imagery. 本文首先运用卫星影像,对临汾&运城盆地中主要活动断层的平面展布状况进行了解译。
This paper deals with an active nutation control scheme by using the interaction of the geomagnetic field with a magnetic dipole on the satellite. 本文探讨了利用地球磁场和卫星上的磁偶极子之间的相互作用进行主动章动控制方案。
Research on Active Disturbance Rejection Control in Attitude System of Magnetic Satellite 主动磁控小卫星自抗扰姿态控制系统研究
Research on Attitude System of Active Magnetic Control Satellite with Variable Structure Control System 主动磁控小卫星姿控系统变结构控制研究
Reliability Analysis on Phased Active Array for Satellite-borne SAR 星载SAR相控有源阵的可靠性分析
Rubidium frequency standard is the most active element in the development of atomic frequency standard. Because of its inherent and acquired characteristics, the rubidium clock has the fundament application in commercial communication and aerospace satellite navigation, etc. 铷原子频标是各种原子频标中发展最为活跃的,由于其独特的外在及内在的特点,使其在商业通信、空间导航等领域得到最为广泛的应用。
New classification for active faults by satellite photographic studies 应用卫星图象对活动断裂进行新的分类
Scheme of 4-Beam Active Phased Array Antenna for Satellite Communication 卫星通信用四波束有源相控阵方案
Further, an active disturbance rejection attitude control scheme for the flexible satellite is proposed without the angular velocity signal feedback. 进一步,针对姿态角速度信号不可测的情况,提出了一种无角速度反馈的挠性卫星姿态自抗扰控制算法。
Our country is developing the autonomous navigation system while is also active in a series of LEO satellites experiments. So it has a strong practical significance in determinating the orbits of low orbit satellite based GPS navigation satellites. 我国在发展自主导航系统的同时,也在积极开展一系列低轨卫星实验,基于GPS导航卫星系统的低轨卫星精密定轨具有较强的现实意义。