space communication 中文意思是什麼
space communication
解釋
航天通信- space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
- communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
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Space environment threaten orbited spacecraft " s safe functioning and astronaut " s health, influence greatly communication depended on based - space way, airmanship orientation, military detection, aim identification, weather observation and source exploration and so on by all sorts of function ( magnetic storm, solar proton event and so on )
空間環境通過各種效應（如磁暴、太陽質子事件等）對在軌航天器的安全運行及航天員的健康構成了嚴重的威脅，對依賴于天基手段的通信、導航定位、軍事偵察、目標識別、氣象觀測、資源勘探等等均有重要影響。 -
Radio communication has annihilated space.
無線電通訊已消除了空間的隔閡。 -
Not only as being the most valuable of all possible forms of public places but regarded simply as a large space which will seriously interrupt crosstown communication wherever it occurs, the question of the site and bounds of the park requires to be determined with much more deliberation and art than is often secured for any problem of distant and extended municipal interests
不僅僅是作為公共用地中最有價值的形式，而且當公園不恰當存在時還容易被公眾簡單的理解為巨大的嚴重干擾城市內部交流的地塊，這就使得縝密及藝術性的考慮公園的位置和范圍顯得更加重要，而不是只滿足於以往的將其作為城市邊緣及或擴展的定位。 -
Deep space communication
深空通信 -
Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type
液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖通信的實驗系統中。液晶類器件應用於光通信的唯一重大缺陷，是其響應速度目前只能達到微秒級或亞微秒級，不過，在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面，液晶器件完全可能進入實用化。 -
This paper focuses on the theory of turbo code and its application in deep space communication
本文主要討論了turbo編譯碼的原理及其在深空通信中的應用。 -
Secondly, the paper introduces the awgn channel model and the implementation of this channel model, for the deep space communication channel is awgn channel
考慮到深空通道近似為awgn通道，所以本文的ra碼和ara碼的模擬是在awgn通道下完成的。 -
Turbo code also has better capability in resisting attenuation and disturbance, so it has great potential applications in deep space communication with bad channel condition
Turbo碼還具有很強的抗衰弱、抗干擾能力，這使得turbo碼在通道條件較差的深空通信中有很大的應用潛力。 -
Viterbi algorithm is a kind of maximum likelihood decoding method, which can obtain high decoding speed and cost fixed decoding time, so it is widely used in deep space communication
維特比譯碼演算法是一種最大似然譯碼，它可以得到較高的譯碼速度以及譯碼計算時間固定，因而在深空通信中得到廣泛應用。 -
Before implementing exploring outer space, some spacecrafts with different purpose should be launched to outer space. and because of this, effective contacts are required to be constructed between spacecraft and the earth, and among the spacecrafts, namely we should perform deep space communication
要開展空間探測，就要向太空發射帶各種目的的空間探測器，這樣就要求在探測器間、探測器與地球間構建起行之有效的聯系，即要進行深空通信。 -
Laser space communication
空間激光通信 -
Dsf can also speed test case development, since you aren t forced to learn the ioctl interface for user kernel space communication
Dsf還可以加快測試用例的開發，因為您不必去學習用於用戶/內核空間通信的輸入輸出控制介面。 -
The higher requirement for twt is also being promoted by modern satellite communication, space communication, phase array radar and etc., from the aspect of smaller size, longer age, higher reliability and so on
現代衛星通信、空間通信、相控陣雷達等技術的發展又從小型化、高壽命、高可靠性等方面對行波管提出了更高的要求。 -
One of the key technologies of deep space communication is channel code. there are differences between deep space communication and the common space communication. because the former one has some characteristics, such as extending information transmission, and seriously reducing signal energy, it is necessary to ensure the information transmission band and the exactness by using the special means
通道編譯碼是深空通信中的關鍵技術之一，深空通信與一般的空間通信不同，深空通信具有信息傳輸時延大、信號能量衰減嚴重等特點，必須有特殊的手段保證其信息傳輸的帶寬和準確。 -
First, the dissertation researches the characteristics of deep space communication and the popular space communication protocol, such as ccsds, omni etc. according to the functions of communication controller for data link layer protocol, it analyses the characteristics of the channel of space communication both in lunar surface and lunar space, and also provides the relevant controlling projects of data link layer protocol
首先，研究了深空通信的特點以及應用較為廣泛的空間通信協議，如ccsds 、 omni等空間通信協議族。根據通信控制器對鏈路層協議進行控制的主要功能，分別分析了月地、月上空間通信的通道特點，進而提出了相應鏈路協議的控制方案。 -
In this paper we demonstrated a new field - controllable liquid - crystal phase grating which to used in orientation detecting and automatic tracking and aiming in space communication
本文提出了利用一種新的液晶器件對空間光通信中對激光源進行方位探測和自動跟瞄，即液晶電控光柵。 -
Development and outlook of optical space communication
的發展與展望 -
In those patients with obvious symptoms of radiculopathy but no visible herniation on radiological examination or surgery, it appears that intradiscal space and epidural space communication is sufficient for inducing effects on the nerve roots
目前認為疼痛能被機械和化學因子介導誘發，在那些患者中雖有明顯的神經根癥狀，但在影像學檢查或手術中卻沒有明顯突出，這表明椎管的空間及硬膜外間隙對于神經根的傳導具有足夠的空間。 -
Therefore, it is useful to make further study on heightener of reflectivity and applying in laser system with narrow pulse - width less than 30ns and high repetition rate more than 100hz for space - communication and laser - detect
而對光纖相位共軛器而言，關鍵問題是如何突破sbs反射率低於60的瓶頸，並應用到重復頻率大於100hz 、脈沖窄於30ns的激光系統中獲得較高的穩定性和較好的相位共軛效果。 -
Optical space communication becomes a new direction of the optical communication because of its advantages such as broad bandwidth, high bit rate, high security and good performance on anti - jamming
空間光通信以其高帶寬、高碼率、高保密性及抗干擾等優點成為光通信發展的新方向，目前已成為各國研究工作的熱點。
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