It belongs to China's Beidou Navigation Satellite System (BDS 北斗卫星导航系统).
它属于中国的北斗导航卫星系统。
China sent up the final satellite of Beidou Navigation Satellite System from Xichang Satellite Center on June 23, 2020.
2020年6月23日，中国在西昌卫星中心发射了北斗导航卫星系统的最后一颗卫星。
Beidou is China's first global navigation satellite system.
北斗卫星导航系统是中国第一个全球卫星导航系统。
Why do you choose to use Beidou Navigation Satellite System, Mr. Li?
李先生，你为什么选择使用北斗卫星导航系统？
The satellite system can help man draw maps with great accuracy.
卫星系统可以帮助人类非常精确地绘制地图。
The method can be applied to any global navigation satellite system.
本方法可以应用于任何全球导航卫星系统。
Peking University did a lot of tests and achieved ideal results by using PES satellite system.
北京大学采用PES卫星系统做了大量试验，取得了理想的效果。
The Beidou navigation Satellite System has become the third GNSS applied in international navigation.
北斗导航系统成为第三个面向国际航海应用的全球卫星导航系统。
Parameter optimization of satellite system is a typical problem of MDO (Multidisciplinary Design optimization).
卫星总体参数优化是一个典型的多学科优化问题。
The process of deployment and cut -off of a tethered satellite system is studied under some assumption conditions.
研究在某些假设条件下绳系卫星展开及剪断过程。
Design optimization is necessary to satellite system for the sake of reducing its cost and improving its performance.
为了降低卫星系统的造价，提高卫星系统的性能，需要对卫星系统进行设计优化。
Judging from the satellite system, the major risk is whether the orbit changes can be completed precisely and promptly.
从卫星系统的角度看，主要风险在于变轨能否精确和迅速地完成。
The Syracuse satellite system is designed to give high-speed secure links between France and troops deployed in foreign theaters.
Syracuse卫星系统是为了给法国和外国驻军建立高速安全战区联系通道而设计。
It is the first ship to have VSAT satellite system installed. It provides the students with the Internet in any part of the world.
它是第一艘装有VSAT卫星通讯系统的船只，这使得学员们可以在世界的任何一个地方上网。
An optimization design method for implementing regional coverage satellite system with common-track constellation is proposed.
该文讨论了使用中轨共地面轨迹星座建立区域覆盖卫星通信系统的优化设计方法。
Sun Jiadong, Chief Designer of Beidou Navigation Satellite System said "The main feature of Beidou is that it can deliver messages."
北斗导航卫星系统的首席设计师孙家栋说：“北斗的主要特点就在于它能传递信息。”
On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.
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。
The simulation method and results may be more significant to select the SST separation parameter for our country's gravity satellite system.
此模拟方法及结果对我国确定重力卫星指标有着重要意义。
Experts said China is establishing the Compass navigation satellite system on the basis of the Beidou satellite navigation experimental system.
专家们说，中国正在以北斗卫星导航实验系统为基础建立罗盘导航卫星系统。
Combined with the traditional satellite design and modern optimization method, a flowchart of satellite system optimization design is presented.
结合传统卫星总体设计和现代优化设计方法，提出卫星总体优化设计流程。
As frequency divided multiplex access is widely adopted in communication satellite system, strict frequency spectrum limits on modulator is mandated.
通信卫星的频分复用机制，对卫星通信系统的发送信号频谱成型提出了严格的要求。
The building up of Beidou navigation satellite system developed by China offers a new option of the time service for synchronization phasor measurement.
我国自主开发的北斗卫星导航系统为同步相量测量的时钟源提供了一种新的选择。
High resolution direction-finding method using array signal processing technique plays a pivotal role in the new electronic reconnaissance satellite system.
采用阵列信号处理进行高分辨测向是新体制电子侦察卫星的关键环节。
After the satellites communication modes being studied, the International Maritime satellite system is selected as the audio-video data transmission system.
论文通过对卫星通信方式的研究，选定国际海事卫星作为系统的卫星接入方式。
To enhance satellite system design quality, the satellite system design based on Uncertainty Multidisciplinary design Optimization (UMDO) is studied in this paper.
为了提高卫星总体设计质量，对基于不确定性多学科设计优化(UMDO)的卫星总体设计方法进行研究。
To enhance satellite system design quality, the satellite system design based on Uncertainty Multidisciplinary design Optimization (UMDO) is studied in this paper.
为了提高卫星总体设计质量，对基于不确定性多学科设计优化(UMDO)的卫星总体设计方法进行研究。
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