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fec

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fec FEC ＝Federal Exchange Commis...

FEC ＝Federal Exchange Commission 〔美國〕聯邦交易委員會。 “fec fast ethernet channel“ 中文翻譯：   快速以太網通道“fec feedforward error correction“ 中文翻譯：   前饋糾錯“fec floating error code“ 中文翻譯：   浮動錯誤碼“fec foreign exchange certificate“ 中文翻譯：   外匯兌換券“fec forward error coding“ 中文翻譯：   前方錯誤編碼“fec forward error control“ 中文翻譯：   前方錯誤控制; 轉發誤碼控制“fec forward error correction“ 中文翻譯：   前項糾錯; 前向糾錯; 前向誤碼校正“fec forwarding equivalence class“ 中文翻譯：   轉發等價類型“forward error control (fec)“ 中文翻譯：   前向差錯控制“forward error correction (fec)“ 中文翻譯：   前向糾錯，正向糾錯“pfec parallel fec“ 中文翻譯：   并行前向糾錯“fec forward error correcting coding“ 中文翻譯：   正向糾錯編碼“fec forward error correction code“ 中文翻譯：   前向糾錯碼“federal election commi ion(fec)“ 中文翻譯：   聯邦選舉委員會“forward error correction mode {= fec“ 中文翻譯：   前向偵錯方式“febvret“ 中文翻譯：   費夫雷“febvrel“ 中文翻譯：   費夫雷爾“febvre“ 中文翻譯：   費夫爾“febve“ 中文翻譯：   費夫“febvay“ 中文翻譯：   費韋

fecal

Based on the realization of the encoder / decoders , this scheme aims at the highest rate downstream frame , and has realized the parallel fec circuit and scrambler complying with the protocols and maken a simulation . the fprme decoder is advanced in the world . the parallel fec circuit completely conforms to the itu - t protocols , and has important practical value 在rs ( 255 , 239 )硬件編碼器/解碼器實現的基礎上,本文按照gpon協議要求,針對gpon中最高速率2 . 488gbps的下行幀,通過設計復雜的操作時序,實現了符合協議規定的32位并行fec編解碼和解擾碼電路,并作了仿真。

In this paper , we discuss many kinds methods of fec . we take a second - order water level control system as the controlled object to study the control structure based on internet , put forward a 3 - layer model , that is client / server / on - site model , and adopt vb + socket technology to realize multi - users communication 系統實現是以二階水位控制系統為對象，研究了基于intemet的控制結構，提禪出了系統的三層模型，即客戶/服務器/現場模塊，采用vb + socket技術，面向多用戶通信。

Firstly , the scheme and architecture of the fec system , the module dividing , the design method and the coding style were introduced . after that , the thesis gave out the detail of each module as well as the testing data , the implementing results and the timing simulation waveform 之后對各個模塊的設計進行了詳細的描述,并給出了測試數據、實現結果及時序仿真波形圖,并對設計的硬件下載驗證進行了詳細描述,并介紹了測試系統的構成和測試結果。

This thesis presents a forward error correction ( fec ) algorithm and its circuit implementation , which is used in the wireless digital audio transmission system . also , an entire demo platform is built and error - correction ability of the system is tested based on this platform 本文研究了一種應用于數字音頻無線傳輸系統中的前向糾錯( fec )算法和相應的電路設計,搭建了一個硬件驗證平臺,并在驗證平臺上完成了電路的誤比特率測試。

Gpon is multi - point to point network topology structure in upstream direction . in order to transmit tdm services , besides the common modules such as dba , fec , aes , the system also need data adjustment , clock recovery , and so on 其中同步時鐘恢復是實現tdm接入的重點和難點,因此本文重點討論了同步時鐘恢復的方法,在研究atm和sdh時鐘恢復方法的基礎上,提出了同步殘余時標法和同步時鐘統計恢復法。

By analyzing the thermal decomposition mechanism of fec _ 2o _ 4 . 2h _ 2o precursor , we mainly carried out the experiments of the influence of the deoxidation temperature to the appearance of sfp of fe , the influence of the deoxidation time to the appearance of it Fec _ 2o _ 4 . 2h _ 2o還原制備超微純fe粉實驗部分，進行了還原時間對前驅體還原程度影響實驗，以及還原溫度對超微fe粉顆粒形貌影響實驗。

It has many advantages such as friendly uk perfect function , clear flow , auto wireless data transfer , fec technology , anti - jamming , reliable etc . the system has the benefit of impersonality , equitableness , open and justness 系統用戶界面友好，功能完善，流程清晰，自動無線數據傳輸， fec技術，抗干擾、糾錯能力強，可靠度高。考試成績客觀、公平，公開，公正。

It also gave out some reference for the future soc . the fec system can increase the error - correcting ability if we increase the iterative times , which express the excellence of top - down designing and blocking 在本文所提出的糾錯系統的基礎上,通過增加解碼迭代次數,可以根據要求提高糾錯能力,這使糾錯系統的升級成為可能,再次體現了top - down和模塊化設計方法的優越之處。

In com - parison with fec system , the harqs can greatly improve the reliability of the system even if only one retransmission is provided , and simultaneously , the average delay and throughput can be guaranteed 與前向差錯控制( forwarderrorcontrol ， fec )技術相比，該harq僅重傳一次時對誤比特率亦有明顯改善，同時保證了較低的時延和較高的流量。

The fec foreign exchange currency used in myanmar as currency next to the local currency kyat pronounced chat is equal to the us dollar and can easily been used for payment of purchases throughout the country 其它貨幣如：歐元日元和英鎊只限抵達仰光國際機場時在機場的移民局貨幣兌換柜臺兌換成外匯券。緬甸全國各地的指定貨幣兌換為緬幣“

Jumpin gym u . s . a . currently has 56 fecs in nearly every corner of the territory . in a bid to expand its entertainment centres beyond hong kong , the company opened an fec in zhongshan , china in 2005 美國冒險樂園在香港已開設了56間分店，并計劃將業務擴展至海外，于二零零五年在中國中山開設了國內第一間分店，務求將歡樂帶到每一個角落。

Abstract : this paper introduces the importance , characteristic and implementation of fec in high - speed fiber - optical communication . at last , briefly explains the improvements for the system performance 文摘:介紹了前向糾錯（ fec ）技術在高速光通信系統中應用的必要性、特點、實現方式，以及其對系統性能的改善

And it gave a detailed description of the downloading and verification on hardware . at last the fec system was applied in an audio transmission platform , which gave a good example for how to use the fec system 最后介紹該前向糾錯電路在數字音頻無線傳輸中的實際應用,這為使用該糾錯電路提供了一個很好的實例。

The merged blue print for digital terrestrial television broadcasting which suits to the developing status of dtv in china is a standard of the chinese dtv - t . ldpc code is used as fec 中國地面數字電視廣播融合方案是根據中國數字電視發展現狀提出的一套地面數字電視標準,其中使用ldpc碼作為前向糾錯編碼。

In communication systems , there are mainly two methods for controlling transmission errors , one of which is forward - error - correction ( fec ) and the other is automatic - repeat - request ( arq ) 數據傳輸系統中有兩種技術被用來控制傳輸錯誤：即前向差錯控制技術( fec )和自動要求重傳技術( arq ) 。

Besides , mpls can segment the aggregate traffic into routable subsets ( fecs ) , and each fec may be routed over multiple paths ( lsps ) to achieve an optimal purpose 另外， mpls可以分割整體的數據流為不同的可路由子集( fecs ) ，每一fec都可以路由到多條路徑上( lsps )以達到優化的目的。

Hybrid techniques that combine fec and arq are generally considered to be the best error - control techniques , and may provide much reliability than fec and high throughout than arq Fec和arq的適當組合將提供比單獨fec系統要高的可靠性，而且提供比單獨arq的系統更高的通過率。

In order to improve the transmission reliability of data and image in 3g , the channel coding technology - harq combined by arq and fec is often adapted widely 為了提高第三代移動通信中數據和圖像的傳輸可靠性，常采用arq和fec相結合的harq信道編碼技術。

Furthermore , combined with fec and interleaving , ofdm shows a high priority in countering the frequency - selective fades and isi caused by multipath propagation Ofdm的實現主要采用了fft技術，利用現有的數字信號處理器( dsp )已經可以實時實現。