航天测控网

航天测控网资源分配和调度方法研究

Research of Resource Allocation and Scheduling in Spaceflight TT & C Network

航天测控网测量体制的改进探讨

Discussion on the Improvement of Instrumentation System of Space TT & C Network

最后根据故障诊断理论，分析了航天测控网的故障特点。

In the end , according to the theory of fault diagnosis , the fault characteristics of space TT & C network are analyzed .

航天器外测数据事后处理系统是为承担航天测控网主动段跟踪测量系统数据分析和精密弹道计算任务而开发的一套工程数据处理系统。

The exterior tracking measurement data post processing system is built for analyzing and evaluating tracking data qualitatively and for calculating trajectories of carrier rockets .

中国航天测控网已具备国际联网共享测控资源的能力，测控技术达到了世界先进水平。

This network has acquired the capability of sharing TT & C resources with international network , and its technology has reached the international advanced level .

为此，本文提出了一种提高我国航天测控网覆盖度的方法，即分布式航天测控网。

Therefore , a new method , the distributing TT C network , is put forward to rise our country TT C network coverage degree in this thesis .

目前我国航天测控网的覆盖度较低；并且由于技术和资金的限制，我国也不能很快提高航天测控网的覆盖度。

And because of the restrict of the fund and the technology , our country can not improve the TT & C network coverage degree very quickly at present .

航天测控网担负着航天器和测控中心之间的通信功能，是航天任务得以实施的关键。

The TT & C network that taks on the function of information communication between the spaceflight and the control center is the crucial factor of bringing aerospace mission into effect .

在对多星任务需求分析的基础上，本文建立了航天测控网资源分配的调度模型，并给出了相应的模型求解算法。

On the basis of multiple satellites task requirement analysis , the paper creates the scheduling model of Spaceflight TT & C network resource allocation , and gives the related model solution arithmetic .

它是中国航天测控网规划和总体设计单位，也是中国专门开展航天测控通信体制、方法研究和专题研究的科研单位。

It is the general planner and designer of TT & C , telecommunication , command , monitor and display systems being used in Jiuquan and Xichang Satellite Lauch Centres , and Xian Satellite Control Centre .

研究了航天测控网资源集中管理、统一分配的工作模式，以及满足多星测控任务的测控网资源调度方法。

The central management and unified allocation mode applied to the space TT C (( telemetry ), tracking and command ) network , as well as the scheduling algorithms to meet multi-satellite TT C missions are analyzed in the paper .

航天测控网通过无线信道传输测控信息，为了提高其通信的安全性，本文引入了量子密钥分配技术，利用协商后的密钥加密测控信息，防止信息被非法窃取。

Space TT & C network uses wireless channel to transmit information . To improve the security in wireless channel , this paper uses the quantum key distribution technology to get a shared key that is used to encrypt information to keep it from being tapped .

目前国内航天飞行器USB测控网和测控应答机采用DPSK调制方式，采用硬件方式实现调制和解调功能，体积、重量和功耗较大，不能满足皮卫星应用环境。

At present , domestic spaceflight Unite S Band ( USB ) TT & C network and transponder adopts Differential Phase Shift Key ( DPSK ) modulation , which is implemented by hardware and cannot be used on pico-satellite .

载人航天飞行任务USB测控网优化配置解决方案

Optimized Distribution Strategy of USB TT & C Network in Manned Space Missions

航天测控和数据采集网。

Space tracking and data acquisition network .

航天测控。中国已建成完整的航天测控网，包括陆地测控站和海上测控船，圆满完成了从近地轨道卫星到地球静止轨道卫星、从卫星到试验飞船的航天测控任务。

TT monitoring : tt China has established an integrated TT network comprising TT ground stations and ships , which has successfully accomplished TT missions for near-earth orbit and geo-stationary orbit satellites , and experimental spacecraft .