鑒碼器 的英文怎麼說
中文拼音 [jiànmǎqì]
鑒碼器
英文
code discriminator-
As we have introduced a multilevel decision method with discriminator detection to improve the error rate performance, the deducing and analyzing for this method are present in this article. the theoretical error rate and the monte carlo simulation result are showed in figure to compare the system error rate performance affected by different premodulation filter
在系統誤碼模擬中引入了一種有助於改善誤碼性能的鑒頻加多電平判決的解調方法，文中對此方法也進行了詳細的推導和分析，並給出根據此方法計算出的誤碼理論值，結合系統誤碼性能的蒙特卡羅模擬值，對比分析各種預調濾波器對系統誤碼性能的影響。Parsing certificate is anthetication to a user and process of getting information. research and developing pki certificate discriminator make us iucubrate pki and standard algorithm in cryptography so it is significance both in theory and practice
解析數字證書就是對用戶身份的認證和用戶公鑰的提取過程，研究和開發pki數字證書鑒別器，促使對pki體系和密碼學標準演算法的深入研究，具有理論和實踐上的雙重意義。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。Secondly, some encryption algorithms are introduced, with the analysis and comparison for these encryption algorithms, the author designs an appropriate project to accomplish the end - to - end encryption. thirdly, this paper accomplish the design of an encryption scheme which combining the strongpoint of the rsa algorithm and the idea algorithm. the main process is as following : first, input the digital signal to the encryption device, and then the digital signal exclusive or with the keying sequence which is generated by key stream generator ( ksg ) and the ksg is based on the idea encrypting and deciphering algorithm, the secret key synchronization is also studied
本課題主要研究的內容是數字集群通信系統加密機制的研究，首先介紹了數字集群通信系統的安全保密機制，講述了單向和雙向鑒權的過程、單呼和群呼的空中介面加密過程及其密鑰的選用和管理，特別介紹了端到端加密;然後介紹了幾種常用的加密演算法，通過分析其優劣，提出了端到端加密的解決方案;最後完成了基於rsa演算法和idea演算法的數字集群通信系統加密方案的設計，其具體過程為將經過數字信號送入加密器里，和以idea加密演算法為基礎設計的密碼流發生器（ ksg ）產生的密碼序列進行加解密運算，並且研究了此加密過程的密碼同步問題。The main task including : when the raster ruler and axis - angle coder move forward or backward, they will bring pulse signals which are length signals and angle signals. these signals will be sent to signal processing circuits to be pretreated. then the signals will be sent to direction differentiation circuits to differentiate the directions
主要完成以下任務：把光柵尺和軸角編碼器前進或後退產生的長度信號和角度信號，送信號處理電路進行處理，再送鑒相倍頻電路進行鑒相處理，送單片機計數，由另一片單片機把計數的結果數據經過串列通訊電路送至pc主機去進行處理。Jinghuai digital equipment co., ltd, founded in 1998, the company developed its own kind of bank treasury management systems, zip code query machines, counters information system, the banking system window appraisal services, and all kinds of counterfeit banknote discriminating devices, a single electronic return and other financial management tools and other products
Ptc發熱體，櫃臺信息查詢系統，銀行庫房管理系統，點鈔機，驗鈔機，偽鈔鑒別儀，身份證鑒別議，自動扎把機，按摩器，營業窗口設備，電子產品代加工平陽江淮數碼設備有限公司創建於1998年，公司自行研製開發的有銀行庫房實物管理系統郵編快速查詢機櫃臺信息查詢系統銀行營業窗口服務評議系統各種偽鈔鑒別儀電子回單管理等金融機具等系列產品。On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit
在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。Abstract : ： a technique for carriersynchronization of a digital modem is studied and the results of computer simulations are given. through comp arison of twokinds of phase estimator systems, it is shown that the combination of phase signal decision process and signal decoding processwill improve system performances obviously
文摘:分析了數字數據機載波同步技術，提供了計算機模擬測試的結果，並通過對兩種不同鑒相器系統的性能比較，說明了把信號相位判斷過程與信號解碼過程結合，可使系統的性能得到明顯改善。For the parallel analysis, several interfaces have been developed, on one hand, in order to parallelize the existing serial fea codes and make the system practical, some parallel solver library has been integrated into ooparafea ; on the other hand, ooparafea can also integrate self - developed module into its analysis kernel, in fact, it has already integrated parallel cg solver and parallel pcg solver up to now. in webfea, just like other parts in netfeaf, the class hierarchy ( including two dimension fea class library, three dimension fea class library, internet based fem computer aided instruction and so on ) is introduced first, and the control center which integrated httpserver ( used for building internet project web site ) and computingserver ( dealing with different computing tasks ) takes charge of the whole system. netgrawcad is the application of netfeaf in civil engineering, which offers civil engineers a network based works
論文還開發了全新用途的網路服務中心，包括http服務器、計算服務器，以及各種用途的計算客戶端：利用java語言的網路通信、界面處理能力結合集群的密集并行計算能力一起完成特定的計算任務，從而使集群計算與web計算很好的集成在一起； webfea作為一種應用客戶端，配合netfeaf集成系統的各個計算組成部分，可以實現一個比較全面的有限元分析方法的計算機輔助課件；當前基於web的各種應用越來越廣泛，但將基於網路的工程設計與有限元分析系統的面向對象構建其引入有限元分析以及土木工程設計領域還不多，基於netfeaf系統，作者又利用面向對象的方法實現了基於網路的重力式碼頭cad集成系統，以從根本上改變傳統的工程分析設計軟體的運行思路，使網路變成土木工程師的日常工作中心，系統部分成果通過鑒定（文通部鑒定為「國內領先，可以大大提高設計效率，建議在水運行業內盡快推廣使用」 ）推出后的良好試用效果，使面向對象的方法在土木工程分析設計軟體系統研製中的優勢得到進一步驗證。Since the reference open source codes are written in float ansi c language, while the target processor just has the effort to cope with fixed point operation, a formal modeling method must be applied to developed a set of fixed point ansi c code, and transfer the dsp application developing procedure into a traditional way. the fixed point toolbox within matlab is adopted to play this role
鑒于目標處理器只有定點處理能力，而ilbc演算法的參考實現源代碼是浮點ansic代碼集。總的實現方案採用了matlab定點工具箱作為建模的工具，通過建立了完整的演算法定點模型實現浮點到定點的轉換，並進一步開發出了定點ansic代碼集。Thirdly, this dissertation gives a synchronization algorithm of double work - stations " playing out based on digital reference information
同時，該演算法也對mpeg硬體解碼器及其他多路復用格式的視音頻解壓具有借鑒價值。分享友人