接收软件是控制遥感卫星接收系统稳定工作的关键因素。
Receiving software is the key factor to control remote sensing satellite receiving system in stable work.
全部OG 2卫星都将采用自动识别系统(ais)设计，可以接收和报告从装备了AIS的海上船只所发出的信息。
All OG2 satellites will be designed with Automatic Identification System (AIS) payloads to receive and report transmissions from AIS-equipped maritime vessels.
一般的GPS系统在接收到几个轨道已知的卫星所发出的信号后就开始计算自己的位置。
Normal GPS devices calculate their own location from the time it takes to receive signals from several satellites with known orbits.
该合同期限为三年，要求BAE系统公司开发一种低成本的接收机原型，能够探测出何时卫星受到了雷达的瞄准。
The three-year contract calls for BAE Systems to develop a low-cost receiver prototype that detects when satellites are targeted by radar.
地面系统提供卫星的指挥与控制，接收和分发有效载荷数据和实时遥感数据，以评估卫星运行情况。
The ground system provides command and control of the satellites, and receives and distributes payload data and real-time telemetry required to assess how well the satellites are functioning.
遥感卫星地面站主要由天馈线、伺服分系统、接收分系统、站控分系统、调制器、解调器、记录设备和快视设备等构成。
The remote sensing satellite earth station is composed by antenna, feed subsystem , servo subsystem, receiver, station manage subsystem, modulator, demodulator, recorder and quick view equipment.
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
门限电平的定量分析对卫星电视系统提高接收微弱信号的能力具有重要的指导作用。
A quantitative analysis of the threshold level is important to improve the abilities of receiving weak signals for satellite television system.
为实现水情信息和卫星云图接收信息的资源共享，应建成调度控制网络系统。
The operation control network system must be constructed to realize resources sharing of water regime information and satellite cloud chart reception information.
再用电机伺服驱动系统控制天线转动，调整其重新指向卫星接收信号。
The motor servo drive system was used to control antenna turning, adjust the antenna to point at satellite again and receive signal.
第二章对数字卫星电视接收系统做一简单说明。
Chapter two gives a simple explanation on the framework of satellite digital TV receiver system.
电视系统：有线电视系统到建筑物每层弱电竖井；预留卫星电视接收系统。
TV system: Community Antenna Television system and weak current silo are all installed in every building; Reserve enough room for installing Satellite Antenna Television system.
第二章对数字卫星电视接收系统的整体框架做一简单说明。
Chapter two gives a simple explanation on the framework of digital TV receiver system.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算，给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
所做工作对开拓软件无线电的应用领域和卫星定位导航系统接收机结构的研究有一定的应用价值。
It can provide some reference worth to expand the application field of Software Radio and study the framework of the satellite positioning and navigation receive system.
本文研究表明在卫星定位导航系统中使用中频数字化的软件无线电结构是可行的，同时大大简化了用硬件对接收的卫星信号进行处理时电路的复杂性。
The study of this paper indicate that the application of digital IF Software Radio framework is practicable in the receiver of the Satellite Positioning and Navigation system.
经实践验证，该系统实现了自动控制接收天线转向并锁定某一个同步通信卫星，以获得最佳的通信信号。
It is proved that this system automatically steers the direction of a receiver antenna and locks a synchronous satellite in order to acquire best communication signal.
为了提高用户数据接收站的处理能力并尽可能降低成本，研制基于嵌入式技术的卫星数据接收系统成为当务之急。
It was urgent to develop the satellite data receiving system based on embedded technology in order to improve the capability of the user data receiving station and reduce the cost.
这对开拓软件无线电的应用领域和卫星定位导航系统接收机结构的研究有一定的参考价值。
It can provide some reference worth to expand the application field of Software Radio and study the framework of the Satellite Positioning and Navigation receiver system.
在理论分析的基础上，本文设计了一个应用于北斗卫星导航系统接收机芯片中的低噪声放大器和下变频混频器。
On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.
本文基于卫星导航定位系统接收机的智能天线抗干扰应用背景，研究了利用PN码的盲自适应波束形成算法。
The blind adaptive beamforming algorithms using PN code are studied in this paper, based on the smart antenna anti-jaming application in satellite navigation and position system receiver.
分析卫星数字电视接收系统的性能以及卫星数字电视接收机中R-S解码器、卷积解码器和QPSK解调器等部分电路对系统抗噪声性能的贡献。
This paper analyses the anti-noise performance of digital satellite TV receiver system, and discuses the anti-noise capability of R-S decoder, of convolutional decoder and of QPSK demodulator.
无线通信接收机覆盖了无线电通信、电视广播、无线电广播、雷达定位、遥测遥控、卫星通信以及移动通信系统等各个领域。
Wireless communication receiver applies widely in so many areas such as wireless communication, television, broadcast, radar, satellite communications and so on.
卫星电视接收系统将为酒店提供更多的电视节目选择权。
Satellite TV receiving system will provide more TV programs for choice.
C /N比率是卫星通信系统中常用的点或使接收天线；
The C/N ratio is commonly used in satellite communication systems to point or align the receiving dish;
本文主要研究的是数字卫星电视系统DVB-S和DVB-S2两个标准下的接收端设计。
The main contributions of this paper are proposing the design of DVB-S and DVB-S2 receiver.
简要介绍了卫星测试数据的种类特点，详细介绍了多颗卫星测试数据接收、存储系统的设计及系统实现的关键技术。
This paper introduces the summary of satellite test, and the character of satellite testing data. Emphasizes the system design and the key technology.
系统进行了以传输亚洲一号卫星信号地面接收站第一中频多路电视信号为目标的现场实验。
The experiment of the first intermediate frequency FM FDM video signal from Asia satellite l was demonstrated.
针对某卫星导航定位系统，着重研究了建立增强型接收机多模定位数学模型的方法，并讨论了定位解算的步骤。
The creation of the mathematical model for the Augmented Satellite Navigation Receiver is mainly researched and the steps of calculation are also discussed.
针对某卫星导航定位系统，着重研究了建立增强型接收机多模定位数学模型的方法，并讨论了定位解算的步骤。
The creation of the mathematical model for the Augmented Satellite Navigation Receiver is mainly researched and the steps of calculation are also discussed.
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