satellite power system 中文意思是什麼

satellite power system 解釋
衛星電源系統
  • satellite : n 1 【天文學】衛星；人造衛星；〈比喻〉衛星國。2 隨從，幫閑者，食客。3 【生物學】隨體（指染色體）...
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  2. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  3. However, the longer length of c / a code, the more hardware resource and power it cost. this dissertation commits research on algorithm of c / a code acquisition in satellite navigation position system, and compares the acquisition means of digital differential matched filter ( ddmf ) with traditional means, and also achieves ddmf with the vhdl language and fpga platform

    擴頻碼的周期的加長會給衛星導航定位系統帶來許多相應的好處，但問題也就隨著之而來了，擴頻碼的周期越長，同步捕獲所需得的時間就越長，而且若用傳統的并行捕獲方法，將極大的耗費硬體資源，而且系統功耗會隨之增大。
  4. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  5. An applicable example of one kind of satellite - borne t / r system composed of high power active feed network is presented, and the key technologies in the satellite environment such as amplitued - phase consistency, anti - multipaction, anti - space - esd is also disscused

    介紹了一種星載大功率有源饋電網路收發系統的實例，並探討了星載環境的幅相一致性、抗微放電以及抗空間靜電放電等關鍵設計技術。
  6. The thesis is based on the subproject of national " 973 " key project, " hxmt spacecraft integral analysis and design ". aiming at the satellite power system, it establishes a simulation software, and uses it on the hxmt power system designing and simulation

    本文以國家973專項課題「天體高能輻射的空間觀測與研究」的子課題「 hxmt衛星系統方案設計」為應用背景，構造了一個面向衛星電源系統的模擬軟體，並對hxmt天文衛星電源系統進行了設計分析和模擬工作。
  7. The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future

    低軌道衛星是一種運行於1000公里左右的高空中的人造衛星，利用leo衛星實現個人通信的優點在於：一方面衛星的軌道高度低，使得傳輸延時短、路徑損耗小，多個衛星組成的星座可實現真正的全球覆蓋，頻率復用更有效：另一方面蜂窩通信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動通信提供了技術保障。
  8. With various guestrooms 200, there are 28 channels satellite tv of america, france, germany, japan, s. korea, australia, hongkong etc. and vod system. also the internet access, power for mobile non controlled

    客房內您可享受到美法德日韓澳大利亞香港等國家地區的28套衛星電視節目及vod video on demand點播電視系統。
  9. Based on the concept of virtual instrument, a satellite power test and evaluation system is developed

    本文設計了一種基於太陽能電池陣模擬器和電子負載可編程功能的衛星電源測試評估系統。
  10. 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。
  11. At last, the fit technology was applied into the system. 1. base on the characteristics of cpu ( they can change the running state ), and the system is parallel satellite - carried computer system, so divide them into three states : double run mode, single halt mode, power down mode

    具體工作如下: 1 、根據cpu的可降頻運行的特點，將其分為三種狀態:雙全速模式，單閑置模式和雙閑置模式，降低功耗效果明顯; 2 、根據系統可脫離i / o設備運行的特點，在系統運行時動態地給i / o設備供電。
  12. Cad spent about $ 2 million on the y2k compliance programme, mainly for the provision of portable power generators, and contingency communication facilities including satellite phones, portable hfvhf transceivers, and pc - based message switching system, etc. more than 120 cad staff are deployed for y2k - related duty yesterday and today

    民航處耗資約二百萬元推行電腦公元二千年數位工作計劃，主要是提供流動發電機及緊急通訊器材，例如衛星電話、流動高頻甚高頻收發兩用機和以個人電腦處理的航空電報自動轉送系統等。
  13. All guest rooms are equipped with advanced locking systems, an integrated power supply, sound proof doors and a personal security alert button in the bathroom. individual controls for the heating and cooling system, international satellite television channels, idd telephone system with bathroom extension, hair dryer, large bath, shower cubicle, mini bar, electric kettle, complimentary tea and coffee, electronic safe, large desk and high speed internet access are standard

    所有客房均配置高級安全門鎖房間電源指示燈房門隔音條洗手間sos安全報警系統獨立控制的冷暖空調設備國際衛星頻道國際直撥電話浴室電話分機風筒大型浴缸及分離式淋浴間迷你吧電熱水器及客房免費咖啡茶電子保險箱大型書桌，並提供10m光纖高速的電腦上網設備。
  14. A simple model of unregulated bus satellite power system is tested

    本文針對衛星電源測試評估系統進行了軟硬體系統的設計工作。
  15. Satellite communication is restricted by the power and the occupied frequency band width, so the improvement of the performance for receiving system is necessary

    衛星通信是功率和頻帶都受限制的一種通信方式，因此接收系統性能改善很有必要。
  16. The thesis analyzes and constructs the terminal system by separating the monitor task into several modules. the terminal system consists of controller, light check module, position module, radio communication module and power management module, which combine radio communication, satellite position, computer control, switch power and some other technologies

    本課題把監控要求與任務分成模塊進行分析與構建，系統分為控制器、燈檢測、定位裝置、通信模塊、電源轉換與管理等五大模塊，融合了無線通信、衛星定位、計算機控制技術、開關電源等技術。
  17. The error - control system can increase the transmission reliability of communication system, and reduce the emission power and the capacity of the communication apparatus, so it is extensively applied in digital transmission system, for example, satellite communication system, mobile communication system, data storage and so on. coding gain is an important index for the error control system

    差錯控制系統對于提高通信系統的傳輸可靠性，降低通信設備的發射功率和減小體積具有重要意義，因此廣泛應用於數傳系統，如衛星通信系統、移動通信系統、數據存儲等方面，而對於一個差錯控制系統的衡量指標就是編碼增益。
  18. 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。
  19. Finally, a ku - band receiver combined with lna, mixer and filter is designed, and a complete flow chart for the design process of the front - end circuit is given. in the end, some rf transceiver examples such as microwave power transfer system, satellite communication receiver system and phs cell station system are introduced and analyzed

    最後結合前面各章內容，給出了一個ku波段射頻前端接收機完整設計實例，並給出了包含微波無線供電系統、衛星接收機和phs基站在內的多個射頻前端電路的實例分析。
  20. In this paper, aiming at the control communication problem of satellite communication antenna system, the particularity of the communication part of the equipments which have relative movement is analyzed, and comparing to formerly communicationg project, a new project to resolve the communication problem is put forward, namely lower voltage power line carrier technology

    本文針對衛星通信天線系統中的控制通信問題，分析了有相對運動設備間通信的特殊性，並與之前所用的通信方案進行了對比，提出了一種新的方案來解決該通信問題，即利用低壓電力線載波技術來實現通信。
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