This paper introduces the principle of pseudo-noise ranging adopted in Deep Space Network(DSN) of NASA.
介绍了NASA深空网所采用的伪码测距的基本原理,讨论了深空航天器应答机相干转发或再生所采用伪码序列的两种形式,对再生测距系统中的具体序列产生和相关、以及用中国剩余定理解算距离的实现方法和技术途径进行了分析,并计算分析了测距精度、捕获时间等系统关键指标,以对我国深空网的建设提供技术理论参考。
This paper discusses the concept and instrumentation principle of Same Beam Interferometry (SBI) technology for deep space spacecraft by American Deep Space Network(DSN), and describes the application and development of this technology.
讨论了美国NASA深空网(DSN)对深空飞船所采用的同波束干涉(SBI)技术概念和测量原理,并介绍了这一技术的应用和发展情况。
The concept, main composition and key technologies of the deep space network(DSN) are introduced.
阐述了深空网的概念、主要任务、发展简史、主要构成和关键技术手段 ,概括总结了深空网在天文观测和空间探测中的意义及应用过程 ,展望了深空网的发展前景。
The Current Status and The Future of NASA Deep Space Network;
NASA深空网(DSN)的现状及发展趋势
In this paper,deep space network technique,track smoothness processing and hybrid location algorithm with weighted data fusion are discussed.
本文对深空网络技术、数据平滑处理以及加权数据融合混合定位算法做了论述,对运动目标航迹平滑算法中的αβ滤波法进行了仿真分析,研究分析了多种定位技术的加权数据融合算法,以及在深空定位中的混合定位应用,以此产生比单一方法测量所得到数据更可靠、更精确的定位信息,做出最可靠的位置定位决策。
Study of Routing Technology in Deep Space Backbone Network;
深空骨干网路由技术的研究
A location assisted energy optimal routing(LAEOR)algorithm was proposed for deep space backbone network based on the theoretical analysis for the energy routing over deep space backbone network.
针对深空骨干网长距离、高能耗和设备性能有限的特点,分析了此背景下能量路由的理论依据。
New Radiometric Technologies of DSN of the United States
美国深空网的无线电跟踪测量新技术
This paper introduces the development history,the current status and the future plans of NASA DSN.
详细介绍了美国深空网的发展过程、目前的状况以及未来的主要发展计划。
The fact of exploring outer space has proved deep space network is the vital mainstay of exploring space.
深空探测的事实证明深空通信测控网是空间开发的重要支柱。
QoS control methods based on DiffServ over MPLS
基于DiffSer vover MPLS的深空通信网络QoS控制方法
She took a deep Breath of fresh air.
她深深的吸口新鲜空气。
That net-shot got stuck deeply in the net.
那个落网球深陷网中。
Research on Deformation Prediction of Deep Excavation by Recurrent Neural Network and Phase Space Reconstruction;
基于动态递归神经网络及相空间重构理论的深基坑工程变形预测研究
An air-raid alarm sounded in the depths of night.
深夜响起了空袭警报。
The clear blue sky looks like the deep sea.
碧空像深邃的大海。
What's Eating Gibert Grape
恋恋情深不一样的天空
A ship draws more water when it is loaded than when it is empty.
载货的船,吃水深过空船。
The sky aBove the roof is suffused with deep colors
屋檐上天空浸染了深深的颜色
In the morning I open the window and Breathe in deeply
每天早晨我打开窗户深深吸入空气。
He breathed deeply of the cool air.
他深深地吸了一口清凉的空气。
sniffed the cool morning air.
深深地吸入清凉的清晨空气
Any of the open spaces in a net or network;an interstice.
网孔，空隙任一种网或网状物的镂空部分；空隙
I didn't want them to die of love.
我不想让他们深陷情网。
Network Probes Provide In-Depth Data
网络探头提供深度数据