optical encoder 中文意思是什麼
optical encoder
解釋
光編碼器-
Design and implementation of fec encoder in high - speed optical network
碼編碼器的設計與實現 -
The four - state optical communication principle is established, and the encoder and decoder are designed
提出了四值光通信的基本原理，設計了相應的光編解碼器。 -
The structure and property of optical encoder and decoder impact the performance of ocdma system directly and judging whether the system could work practically
光編解碼器的結構和特性直接影響著ocdma系統的總體性能，決定著ocdma系統能否實際應用於全光通信網路中。 -
In the transmiting port, optical encoder turns data bits into spread spectrum sequences, then, optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port
在發送端光編碼器將數據比特轉換成擴頻序列，在接收端光解碼器利用相關解碼原理將擴頻序列恢復為數據比特。 -
Further more, the double optical hard - limiters and balance receiver with fbgs based encoder / decoder is introduced into ocdmia system to reduce the ber of system
此外，為了進一步降低各類ocdma系統的ber ，我們還探討了在系統中引入雙光硬限幅器和平衡補償接收fbg編解碼器的可能性和可行性。 -
According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。 -
A special address codeword produced by optical encoder at the side of transmission and data information are modulated on optical carrier and transferred. the data from different users are transmitted through optical fiber. the information belonging to local user is demodulated by the special optical decoder while optical signals carrying other users ’ information are filtered as noise
在發送端特定的光編碼器產生某一特定的地址碼，將數據信息與此地址碼調制在光載波之上發送出去，不同用戶的數據都在光纖媒質中傳輸，接收端用特定的光解碼器解出屬于自己的信息，而攜帶其他用戶信息的光信號，就像噪聲一樣被過濾掉。 -
A fast frequency hopping ( ffh ) w - ocdma system experiment is developed to validate the ocdma encoder / decoder technologies. at the same time, the factor influencing optical cdma system is experimented and validated. it lays foundation to study ocdma communication system further
（ 4 ）為了驗證ocdma通信系統技術，設計了快跳頻w - ocdma實驗系統方案，搭建了系統實驗平臺，成功實現了622mbpsw - ocdma通信系統實驗，並對影響w - ocdma通信系統性能的因素進行了實驗分析。 -
Lastly, the working theory of encoder, decoder and optical transceiver of the optical wireless lan are analyzed. the experiments about the system are done in the paper and basically realize the wireless optical lan
最後，本論文具體分析了光無線局域網系統各個組成部分，主要是光電轉換器和光收發器的工作原理，並進行了實驗製作。
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