coded system 中文意思是什麼
coded system
解釋
編碼方式-
The plessey system identifies books and readers by bar coded labels, mounted on each book and on readers'cards.
普萊西系統憑貼在每本書和借書證上的條型碼標簽來識別出圖書和讀者。 -
This paper describes the components and structure of advanced signaling system : automatic train control system ( atc ), analyzes the function and classification of its three subsystems : ats, atp and ato, with emphasis on currently widely adopted atc system - quasi - moving - block signaling system, which works on coded digit track circuit, and discusses the operating principles of coded digit track circuit and the features of train control of quasi - moving - block signaling system
信號系統是確保城市軌道交通列車運行安全及提高運營效率的關鍵設備。本文詳細討論了應用於城市軌道交通的先進的信號系統? ?列車運行自動控制系統（ atc ）的組成和結構，對其三個子系統：列車自動監控系統ats 、列車自動保護系統atp 、列車自動運行系統ato的功能和分類進行了詳細分析和比較。 -
At first synthesized professional branch and graphical symbols of coal mine geology and survey, mainly including point, line, region and so on, and then classified and coded the geology and survey information entity by different professional layers and formed a classification and code system based on gis
摘要綜合煤礦地質測量信息的專業特性及信息表示的幾何特徵（主要包括點、線、面等） ，按專題圖層對煤礦地質測量的實體對象進行分類與編碼，形成了一套基於gis的煤礦地質測量信息分類編碼體系。 -
Gets the extended binary coded decimal interchange code ebcdic code page used by the writing system represented by the current
所表示書寫體系使用的「擴充的二進制編碼的十進制交換碼」 （ ebcdic ）代碼頁。 -
Coded label additional security and protection system
編碼標號輔加 -
A method is proposed to construct a localized active functional space from the density matrix of a large system. the large system is partitioned into central and surrounding areas. the active functional space is mainly localized on the central area. it contains all basis functions centered at the central area and all the orbitals which consist of the basis functions localized in the surrounding area and interact with the basis functions in the central area to a certain extent. an integral number of electrons are involved in the localized active functional space which can be considered as a relatively independent subsystem in the large system and for which formally isolated quantum chemical calculations can be performed. the related program has been coded and is checked through calculating the number of 4
報道了從大體系的密度矩陣出發構造定域于指定局部的活性泛函空間的方法和程序。將大體系劃分為中心區和環境區，活性泛函空間包含中心區的基函數及與其有相互作用的環境區軌道，容納整數個電子，構成大體系的一個相對獨立的子體系，可以在其中進行獨立的量子化學計算。通過計算鑭系氯化物和水合離子的4 -
Point spread function in coded aperture imaging system
編碼孔徑成像系統中的點擴散函數 -
This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer
本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。 -
Numerical control ( nc ) is a method of controlling the movements of machine components by directly inserting coded instructions in the form of numerical data ( numbers and letters ) into the system
數控（ nc ）是一種通過直接向系統輸入數字數據（數字和字母）形式的編碼指令以控制機床部件運動的方法。 -
This thesis based on europe dvb - t cofdm ( coded orthogonal frequency division multiplexing ) system, does a lot of research from the development, the technique instrument of dttb to the whole dvb - t system structure and system flow. then brings forward its own ideas and optimizing advices after the stimulation of normal dvb - t system. firstly the thesis describes the needed conditions, the technical difficulties and the present problems of dttb
本課題就是基於歐洲dvb - tcofdm系統技術，從當前數字電視地面廣播的發展，數字電視地面廣播標準的技術手段到完整的dvb - t系統流程，做了一定的研究工作，並根據標準dvb - t系統做了建模模擬和分析，提出了對dvb - t系統的認識和優化設想。 -
A colour - coded rainstorm warning system is activated to warn people of serious road flooding and traffic disruption
在暴雨發生時，一套以顏色標示的暴雨警告系統會即時運作，提醒市民路面已出現嚴重水浸，交通受到影響。 -
The u. s. transmission format is called 8 - vsb ( for 8 - level vestigial sideband ), which is more susceptible to multipath distortion than the european system, called coded orthogonal frequency division multiplexing, or cofdm
美國的傳送格式是八階殘邊帶（ 8 - vsb ） ，這種格式比歐洲的編碼正交分頻多工（ cofdm ）系統，更容易受到多路徑問題影響。 -
The coded fake preventing system has been officially opened on july 10 and all the products ex - works thereafter are fitted with a fake preventing label, which can be judged true or false by means of calling, mobile phone message and internet browse
刮開后的標簽電碼防偽系統， 2004年7月10日已正式開通， 7月10日後出廠產品均有防偽標簽。可通過電話手機簡訊上網查詢產品真偽。 -
It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit
在此基礎上，針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析，詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容，並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析，給出了數字軌道電路長度的推薦值。 -
Log likelihood ratio decoding of ldpc coded modulation in ofdm system
編碼調制的對數似然比譯碼 -
In this thesis, we compared the two acm through simulation, and analyzed their merits and flaws. then we present an optimal design scheme of average spectral efficiency in adaptive coded modulation system
本文對上述兩種自適應編碼調制策略做了比較，分析了各自的優缺點，並提出了一種基於平均頻譜效率的自適應編碼調制的優化方案。 -
The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently
在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼，在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內交織，可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。 -
A new flying bullet impack position measurement system with coded screens
一種編碼式光幕立靶測試系統 -
Coded identification of equipment entities of the north american telecommunications system for information exchange
信息交換用北美電信系統的設備實體編碼識別 -
Over multiple - path fading channel, a novel iterative single - tone interference suppression scheme is proposed for convolutionally coded system in the single - tone interference environment. the iterative receiver is based on the combination of iterative single carrier frequency domain equalization and interference rebuilding and cancellation
該方法利用衰落通道下單音信號的頻域特性，對干擾信號進行重建及干擾抵消，同時，結合單載波頻域均衡迭代檢測技術，實現衰落通道中的聯合單音干擾抑制及信號檢測。
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