optical code 中文意思是什麼
optical code
解釋
光代碼-
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。 -
Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations. it was used to construct flow visualization corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) images. by providing a better insight into the flow physics and cfd code behavior, cfi is proving to be extremely useful to experimentally validate cfd codes
計算光學流動顯示技術（ computationalflowimaging - cfi ）就是把數值計算（ cfd ）獲得的流場中的物理場，經過與實驗相同的計算光學（全息干涉、紋影、陰影、平面激光誘導熒光）的過程轉換為所需的各個方向與試驗流動顯示圖像相對應的計算流動圖像。 -
The main research work of this thesis is focused on the encoding and decoding technologies in the optical code divison multiplexing access system
本文主要針對一維和二維光碼分多址系統中的編解碼技術方案進行研究。 -
Using different combinations of the nucleon density distributions of the ground state of 6he and the second excited state of 6li with and without the halo, we have calculated the microscopic optical potentials of the input and output channels, and, with these potentials, calculated the angular distribution of the " h ( he, li ) n reaction populating the second excited states of 6li by using a dwba code
我們用假定的~ 6he基態和~ 6li第二激發態有暈和無暈的各種核子密度分佈的組合分別計算了入射道和出射道的微觀光學勢並將其輸入通用的dwba核反應程序計算了~ 1h （ ~ 6he ， ~ 6li ） n反應布居~ 6li第二激發態的角分佈。 -
The code must be etched, engraved or otherwise indelibly marked in such manner that the manufacturer s code is legible upon a visual examination of the optical disc
光碟上須以蝕刻、雕刻或其他形式持久地標上代碼，而標上代碼的方式須令用肉眼檢查光碟，即可閱讀製造者代碼。 -
Code for construction of railway optical fiber cable pdh communication project
鐵路光纜pdh通信工程施工規范 -
Properly drawn and woven into normal fabric, the mirrored fibers could lead to wearable radiation barriers, optical bar - code tags for clothing and flexible filters for telecommunications
在一般的纖維里適當混入光晶纖維，就能得出穿戴式的輻射屏蔽、衣服內的光學條碼標簽與柔韌的電訊過濾器。 -
C / c + +, circuit analysis, analogous circuit, pulse and digital circuit, signal and system, physical optics, microcomputer principle andconnection technology, modern communication principle, informationtheory and code, guided waves optics, optical fiber technology andapplication
電路分析，模擬電路，脈沖與數字電路，信號與系統，物理光學，微機原理與介面技術，現代通訊原理，信息理論與編碼，導波光學，光纖技術及應用 -
Optical code division multiple access ( ocdma ) technology possess the characteristics of combating interference, high frequency efficiency, security, and simply network protocol, random access, so it is competitive to apply ocdma to wireless optical access network
光碼分多址（ ocdma ）技術具有的抗干擾能力強、頻率利用率高、保密性好、網路協議簡單、支持隨機接入等優點，將其應用到無線光接入網中，不僅具有cdma技術的優點又保持了無線光通信的優點，實現二者優勢互補。 -
The usual way to solve this problem is to transform the original signal into " 0 ", " 1 " equally - distributing circuitry code type which is fit for the optical channel, and then transmit
解決該問題常用的方法是通過通道編碼將原始信號變換為「 0 」和「 1 」均勻分佈的適合光線通道傳輸的線路碼型，再送入光路進行傳輸。 -
Providing a novel access scheme for solving “ last mile ” wideband access and global person communications. in wireless optical code multiple access ( w - ocdma ) network, media access control ( mac ) is a key issue, which determines network performance 、 bandwidth efficiency 、 complexity and cost of terminal
無線光碼分多址（ w - ocdma ）接入網中，數據鏈路層的媒質接入控制技術（ mac ）至關重要，它直接影響網路的性能、帶寬利用效率、終端設備的復雜度和成本。 -
All the rooms have facilitate optical code line ; high quality green environment household residence ; high tech " bianjie newspaper " intelligent toilet, high clearness and anti - radiated, and has function of protecting vision sight lcd ; and the business room has lcd computer
所有房間均配置寬頻接入的光線寬帶高品質綠色環保家居高科技「便潔報」智能馬桶高清晰防輻射具有保護視力功能的液晶電視商務房配有液晶電腦。 -
The design of optical address code is one of key technologies in ocdma system
Ocdma系統中的關鍵技術之一就是光地址碼的設計。 -
Abstract : analyzes the performance of unipolar ocdma system using optical orthogonal code ( ooc ) considering the dispersion and nonlinearity effect of the transmission medium. theoretical analysis demonstrates that dispersion and nonlinearity effect deteriorate the system performance. the performance of ocdma system assuming dispersion - shifted fiber as transmission medium is very close to the case neglecting the dispersion and nonlinearity effect. assuming rz initial pulse and optical hard limiter are also possible solutions
文摘:分析了基於光正交碼（ ooc ）的光碼分多址系統的性能.數值結果表明：與以前忽略光纖通道對系統性能的情況相比，在考慮了光纖的色散和非線性效應以後，系統性能有了明顯的下降.給出了一些建議方案來遏制由色散和非線性效應引起的系統性能惡化 -
Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks
光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。 -
Optical code multiple access ( ocdma ) communication system is a spectral spreading system. all users in the system share all the bandwidth in the same time. because of the using of the almost infinitude bandwidth in the fiber, ocdma system will become more and more important in future ultra - high speed lan and online computer communication system
光碼分多址（ ocdma ）通信系統，作為一種擴展頻譜系統，用戶同時共享所有帶寬，因為可以充分利用光纖中的巨大帶寬資源，因此在未來超高速局域網和實時計算機通信系統中將扮演重要角色。 -
Optical code division multiplexing access ( ocdma ) is one of the possible resolutions for all optical communication network in the future, which is a hot topic in optical communication research
光碼分多址ocdma （ opticalcodedivisionmultipleaccess ）是未來高速全光通信網路的備選方案之一，是目前光通信技術領域研究的熱點。 -
Optical code division multiplex access ( ocdma ) is a novel kind of technologies which combines with the features of wireless cdma and optical fiber communications and has strongly technical advantages and widely applied perspectives. it is one of the possible resolutions for future all optical communication network, which is a hot topic in optical communication research
光碼分多址（ opticalcodedivisionmultiplexaccess ， ocdma ） ，是將無線cdma技術與光纖通信技術相結合的一種新技術，結合了兩種通信方式的特點，具有很強的技術優勢和廣闊的應用前景，成為未來高速全光通信網路的備選方案之一，是目前光通信研究領域的熱點。 -
It adopts the servomotor to drive and the optical code meter to count the length, which precisely controls the length of bags
採用伺服電機驅動，光碼器計長，精確控制袋長 -
Besides, this paper studies the wireless optical code division multiple access ( w - ocdma ) technology whereas its anti - jamming, security and asynchronism. based on the w - ocdma communication technology, we analyzes ocdma mac protocol, studies the protocol theory, access mechanism in detail, and models the throughput performance, simulates and analyzes the performance
（ 3 ）鑒于無線光碼分多址（ wirelessopticalcodedivisionmultipleaccess ， w - ocdma ）技術的抗干擾、保密和隨機異步接入的優點，本文分析了基於ocdma接入的無線光局域網mac協議，闡述了協議原理和接入機制，用馬爾可夫模型對吞吐量性能進行了建模和模擬計算。
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