擬星集 的英文怎麼說
中文拼音 [nǐxīngjí]
擬星集
英文
starlike set-
This article uses advanced cad / cae software - - - ug, adams and ansys to build the integrated system platform based on theory of dynamics of multibody system for the purpose of resolving the engineering problems of general retarder design, and analyses the performance of xw - 8175 - 11 planet - cycloid retarder
本論文針對行星齒輪減速機構設計中存在的問題並根據實際工程需要,在多體動力學理論基礎上,利用cad cae軟體ug 、 adams以及ansys構建了集成的系統平臺,並在此基礎上,對xw - 8175 -型擺線針輪減速機構進行了性能模擬。Based on the theory of software architecture, the hierarchical structure is used for designing the software system because the aocs demands real - time and high reliability. the integrated environment for software cross - development of vxworks is used for simulating the schedule of several multi - tasks, the managing of work mode and the communication among the modules. an approach of software architecture for the attitude and orbit control system of satellite is developed in this paper, which is based on a deep study and analysis of modern software techniques
本文運用軟體體系結構的理論,通過對多種軟體體系結構的分析比較,針對衛星姿軌控系統實時、高可靠、復雜等特點,採用層次結構方案進行了體系結構設計,並運用實時操作系統vxworks的集成開發環境,完成了姿軌控系統多任務調度管理、工作模式管理和應用模塊間相互通信的模擬實踐。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。But we all gathered in his room at around nine in the morning, as we usually did seven days a week during the budget season
9時左右,各人已如常地集在他的辦公室。雖然是假日,但在擬定預算案期間,大家早已習慣一星期七天不停地工作。Ning bo opens trade of yuan huacheng buy limited company is to drive the holding company with yuan of travel trade subordinate group, the project of 9 dragon lake that the company develops is located in the town with pretty picture inside beauty spot of hai jiulong lake, plan to build of hotel of 5 stars class the high - grade and large travel of residence of multilayer, small high level goes vacationing living community
寧波開元華城置業有限公司是開元旅業集團旗下的控股公司,公司開發的九龍湖項目位於景色秀麗的鎮海九龍湖風景區內,擬建設成五星級酒店多層、小高層住宅的高檔大型旅遊度假居住社區。In order to fully develop tianmenshan tourist attraction, ningfa group planed to increased rmb600, 000, 000. 00 of its investment for projects development, two hotels ( one is a four - star hotel and the other is a five - star hotel ), zhangjiajie conference center, large group restaurants, and comprehensive shopping malls
為進一步完善天門山景區的配套,寧發集團擬增加投資6億元建設景區完善項目、星級酒店兩座(四星、五星各一座) 、張家界會議中心、遊客服務中心、大型團隊餐廳、綜合購物場。Solar array simulator is programmed in labview to simulate the running condition of satellite ( such as sun angle, shadow time, orbit and so on ). electronic load is programmed in labview to simulate the running condition of satellite load. by data collecting and processing, satellite power engineers can monitor and evaluate working condition of satellite power system
該測試評估系統應用labview軟體對太陽能電池陣列模擬器進行編程,模擬太陽能電池在空間各種狀態下(軌道、光照角、進出陰影等)的情況;對電子負載進行編程,模擬衛星負載的各種變化(平均負載、短期負載和脈沖負載)情況,信號採集和數據處理單元在測試評估系統運行過程中記錄電源系統各組成部分的工作參數,據此對衛星電源系統進行測試和評估。As we have promised, we will send out one email to all pre - registered volunteers when we launch the virtual microscope and image data from the stardust interstellar dust collector
如我們承諾的,當我們啟動虛擬顯微鏡和來自星塵收集器的影像數據的時候,我們會給每位預注冊的志願者發一封電子郵件。Employing the satellite images of landsat - mss and landsat - tm and the integrated techniques of rs, gis, and gps, the authors, with maotiaohe river basin as a case, studied the process and driving factors of land use / cover changes since the beginning of 1970s, and modeled the possible land use / cover changes scenarios in the coming 10 years based on clue - s model, and then made an ecological evaluation on effect of the changes over the past 30 yeas as well as in the coming 10 years by using theory and method of landscape ecology. in this research, the authors, from the angle of international lucc studies, threw much light on the land use / cover changes in the basin and also the derived ecological and environmental problems such as karst rocky desertification
本文以位於貴州中部的貓跳河喀斯特流域為對象,以1973年的mss和1990年、 2002年的tm等衛星影像為數據源,運用rs - gis - gps集成技術,研究了該地區在過去三十年間土地利用/覆被變化的過程、驅動機制,運用clue - s模型模擬、預測了該流域在不同目標情景模式下的土地利用/覆被變化,並運用景觀生態學的方法對貓跳河流域過去三十年間的土地利用/覆被變化以及未來不同情景模式下的土地利用/覆被變化的生態效應進行了評價。Cortex monitor terminal is an integrated command ranging and telemetry system, which based on pc architecture and windows nt operating system. the cortex monitor terminal contains many functions, such as telemetry processing, satellite telecommanding, satellite ranging and simulation
Cortex測控終端是基於pc結構、 windowsnt操作系統,具有衛星數據遙測、遙控,衛星測距和模擬、測量等功能的遙測遙控集成處理系統。State and observation equations of each subsystem are established. filter algorithms of each subsystem and federated filter algorithms, centralized filter algorithms are also analyzed. when the sampling periods of the main filter and the subfilters are supposed to be different, the attitude determination effect is investigated and the computer simulation is done
星上多敏感器信息融合技術研究:構造了聯邦濾波結構,建立聯邦濾波各個子系統的狀態方程和量測方程,分析了各個子系統的濾波演算法和聯邦濾波演算法、集中濾波演算法,研究了在主濾波器采樣周期不同的情況下,以及各個子系統采樣周期不同步的情況下的定姿效果,並進行了數字模擬。Visitors can manipulate the operational components of a scale model telecommunications satellite and utilize a robotic arm to fetch rock samples from a simulated martian terrain
觀眾亦可調校通訊衛星模型的位置,領悟衛星通訊的原理或利用機械臂在模擬的火星表面上採集巖石樣本。The “ general cell ” which made in a soc is a basic unit of the aeronautical satellite. after analyzing the demands of downlink communication system of the “ general cell ”, the thesis came up with a design of rfic power amplifier according to the requirements of the system and validated this scheme to be feasibility by simulation
本文的主要任務是在對「微型核」星地通信系統進行鏈路分析的基礎上,提出一種滿足星地通信的射頻集成電路功率放大器的設計實施方案,並通過模擬對系統方案進行驗證。According to the condition of china, this paper mainly studied the technology of field information acquisition and process based on gps, gis and virtual instrument. the main contents of this paper include : 1 ) based on the analysis of the principle of gps location and output - sentence format, the hardware interface and communication software were developed for oem gps receiver and computer to realize gps - data real - time acquisition by computer
本文結合我國的實際情況,重點研究了基於gps 、 gis及虛擬儀器的農田信息的採集與處理技術,主要研究內容如下: 1 )在分析gps衛星定位原理及輸出語句數據格式的基礎上,設計了oem型gps接收機與計算機的硬體介面及windows通訊程序,實現了gps數據的計算機實時採集。分享友人