卫星天线
- 名satellite antenna
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GPS卫星天线特性与相位中心一致性检定
GPS satellite antenna characteristics and verification of phase center consistency
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PC式卫星天线测试仪的设计与实现
Design and Realization of satellite antenna testing instrument based on personal computer
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编码信号由碟形卫星天线接收。
The coded signal is received by satellite dish aerials .
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碟形卫星天线的定向性非常强。
Dish aerials are highly directional
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星载SAR卫星天线扰动对波束中心指向的影响
Study on SAR Satellite Beam Directivity of Antenna Jitter
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LEO短数据通信小卫星天线系统设计
Antenna System Design of LEO Short-Data Communication Micro-Satellite
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以某大型可展开卫星天线为研究对象,在给定展开方式和驱动力矩的条件下,采用ADAMS仿真软件进行了天线展开过程的仿真分析。
Based on analysis of Hoop Truss Deployable Satellite Antenna 's function , the simulation of antenna 's deploy was carried out in ADAMS .
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研究了从火箭点火发射到卫星天线在宇宙中展开的全过程的仿真技术,并基于视景仿真软件Vega开发了一套卫星反射面天线的虚拟样机原型系统。
Developed a satellite reflector antenna prototype system of virtual prototyping based on the visual simulation software Vega .
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车道上停着宝马(bmw),房顶上架着卫星天线,街道上跑着家具搬运货车。
There are BMWs in the driveways , satellite dishes on the roofs and furniture delivery vans on the streets .
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基于ESO设计天线控制系统,无需精确的用户卫星天线模型。
The antenna tracking-pointing control system based on ESO was designed without an explicit mathematical model of the antenna .
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评述了GPS技术目前存在的问题,包括与SLR测量之间存在的系统偏差、GPS技术本身可能存在的周年变化和GPS卫星天线相位中心的变化。
The main problems in GPS technology including the system bias to SLR , its own annual variety and the change of GPS satellite antenna phase center are also discussed .
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船载卫星天线的姿态测量单元采用微机械(MEMS)惯性传感器和磁强计作为测量元件,具有体积小、重量轻和成本低等优点。
Ship-borne satellite antenna adopts Micro Electro Mechanical Systems ( MEMS ) inertial sensors and magnetometer as its measuring elements , which has small volume , light weight and low cost .
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基于独特的非线性扩张状态观测器(ESO),提出了一种用户卫星天线跟踪指向控制系统。
Based on a unique nonlinear extended state observer ( ESO ), a new nonlinear control solution to the problems of the antenna tracking-pointing control for User-satellite was proposed .
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提出将3-RSR并联机构用做卫星天线支撑的方案。
A method of using it as a satellite antenna mounting system is introduced .
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WT-1卫星天线自动控制器
An auto-controller for WT-1 satellite antenna
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比较而言,由于小卫星天线尺寸在高度上更接近大卫星天线,在距离模糊比上相对大卫星SAR抬高得不多,而在方位模糊比上抬高较大。
Compared with the ASR in azimuth , the ASR in range is closer to that of the monostatic case because the size in height dimension of small antenna is closer to that of the big antenna than the length dimension is .
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本文针对卫星天线系统高精度伺服控制的要求,提出了一种基于DSP核心的全数字卫星天线伺服系统方案,分析了其结构组成、控制方法、DSP的硬件资源及伺服程序设计等问题。
Focusing on the high precision requirement of the antenna servo control system , a full-digital solution of the antenna servo system based on DSP is presented and the architecture , control method , hardware resource of DSP and the servo program design are analyzed .
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DFH-2A国内通信卫星天线系统
An antenna system for DFH-2A domestic telecommunications satellite
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最后,基于VC软件开发卫星天线双轴驱动机构设计质量评价系统,可实现对卫星天线驱动机构的设计质量评价,以达到保证卫星天线驱动机构设计质量的目的。
At last , the evaluation system of the design quality of the satellite antennas driving mechanism is developed based on VC , which can achieve the evaluation of the design quality and to ensure the design quality of the driving mechanism of the satellite antennas .
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本文继东方红3号(DFH-3)卫星天线系统动态特性测试(Ⅰ),给出卫星天线系统一阶固有频率的简化分析计算。
This paper presents a reduced computation method of the first order natural frequency for DFH-3 satellite antenna .
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对于坝内式水电厂GPS信号的接收,当不能满足GPS卫星天线在20m以内且天线上方15°角锥内无结构遮挡的要求时,必须采用一定的措施才能满足电网状态监测的需要。
GPS can reach a unified time clock in the whole network . For receiving the GPS signals of the hydro station within the dam , when the GPS satellite antenna cannot meet the requirements , some measures should be taken to meet the needs of power network condition monitoring .
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展开式卫星天线在发射时的非线性振动分析
Nonlinear vibration analysis of the deployable satellite antenna during launching stage
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车载卫星天线伺服控制系统的研究
A Study on Servo Control System of Antenna Mounted on Vehicle
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环形可展开卫星天线的多目标结构优化设计
Multi-Objective Optimal Design of Satellitic Antenna Structure with Deployable Ring Mechanism
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然后由那里的碟形卫星天线
and then we have a satellite dish that takes the data
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车载卫星天线用交流伺服系统设计
Design of AC Servo System of Satellite Antenna Used in Vehicle
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卫星天线伺服控制系统是整个卫星系统的核心部件,直接关系到整个卫星系统任务能否完成。
The antenna servo system is the key part of satellite system .
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卫星天线罩的手糊工艺研究
Study of hand lay - up process for satellite Radome
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卫星天线双轴定位机构建模与仿真
Modeling and Simulating on Two-axes Position Mechanism of Satellite Antennas
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导航卫星天线收发系统耦合分析与仿真
The Analysis and Simulation of Navigation Transmitted and Received Antenna System Coupling