satellite的例句大全

A Study on the PRN Ranging Code of Satellite Navigation Systems

卫星导航定位系统中伪随机码的研究

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Currently most satellite navigation systems utilize the spread spectrum communication technology to transmit navigation information, and the commonly-used PRN ranging code is the balanced Gold code.

目前的卫星导航定位系统大多采用扩频通信技术来传输导航信息，常用的伪随机码是平衡Gold码。

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In order to determine relative positions between satellites and the attitudes of satellite of formation constellation, like-GPS carrier phase was added in based on former study of states determination combining with carrier phase differential GPS ( CDGPS) and like-GPS ranging code.

为了确定编队星座的星间相对位置和卫星姿态，在原有联合GPS差分和类GPS伪距进行状态确定的研究基础上，进一步加入了类GPS载波差分信息。

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The Deep Space 3 is a proposed mission by NASA within the New Millennium Program. This paper primarily studies the relative state parameters autonomous determination of three satellites formation of the Deep Space 3 using inter-satellite relative measurements of like-GPS carrier phase and a ranging code onboard.

以NASA新千年计划中的深空计划3为背景，使用星载类GPS的伪距和载波观测数据，研究利用编队卫星间相对测量，高精度自主确定三星编队星座相对状态的有关问题；

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COSMOS Search and Rescue Satellite Aided Tracking

低高度近极轨道卫星搜救系统

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Prediction interval technique for small satellite power system telemetry data

小卫星电源系统遥测数据的区间预测技术

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Satellite Orbit Prediction's Visual Simulation By Using Mixed-language Programming

卫星轨道预报三维视景仿真混合编程

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This paper first sums up the main problem about orbit prediction of an artificial earth satellite.

本文将对人造地球卫星轨道预报中的主要问题作一概括；

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Satellite return identification and real-time improvement of orbit prediction

卫星激光测距中回波实时识别和预报轨道的实时修正

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Finally, performance of three information transmission modes including covered wire, satellite and high-frequency radio is compared.

最后对被覆线、卫星和短波电台3种信息传输方式的性能进行了比较。

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Theoretical calculation shows that the sun phase angle, observation distance and the brightness magnitude of the targeted satellite change significantly because of no earth curvature effect and large separation distance in position.

仿真计算表明，天基观测由于不受地球曲率影响，且观测几何拉开，太阳相位角、观测距离变化范围较大，因此目标卫星视星等变化范围较大。

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The paper briefly introduces absolute calibration methods of sea surface height and backscatter of satellite altimeter.

介绍了卫星高度计定标中海面高度和后向散射系数的定标方法。

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Portable Weather Satellite Imagery Receiver With Bandwidth Compress Technology

采用中频压缩技术的便携式气象卫星云图接收机

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In accordance to the characteristics of satellite communication system, it is necessary to limit the bandwidth of the signal spectrum and to decrease the ISI.

针对卫星通信信道的特点，为了节约频谱资源，需要对发射信号进行带限；

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Estimation of Effective Bandwidth for Satellite ATM Networks with Adaptive FEC

采用自适应FEC的卫星ATM网络的有效带宽估计

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The paper discusses the digital signal on-satellite regenerative processing techniques, such as channel separation, modulation/ demodulation, encoding/ decoding and baseband switching.

文章讨论了信道分离、调制/解调、编码/解码和基带交换等数字信号星上再生处理技术。

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Satellite Images and Data Update of Base Map

卫星影像与基础测绘数据更新

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Because the systematic errors due to frequency offset of satellite beacon and/ or station receiver are included in Doppler data, the key problem of orbit improvement is how to estimate the frequency offset for every passing.

利用多普勒资料进行轨道改进，将遇到卫星信标机和测站接收机的频偏带来的系统差，如何估计各站圈的频偏，是决定定轨精度的一个关键问题。

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The experimental results indicate that if some slight improvement is made on some aspects of the performance of the system, the system can be put into practice as an improved type of 4,6 GHz group branching filter system in satellite and microwave communications.

实验表明：若对本系统个别性能略作改进，可作为当前卫星通信及微波多路通信系统中的4、6GHz群分路滤波器一种改进型新方案投入实用。

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An Efficient Approach for Reducing the Side Lobe Levels of Array-Fed Reflector Satellite Shaped-Beam Antennas

卫星阵馈反射面赋形波束天线的一种高效旁瓣抑制方法

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