通信字處理機 的英文怎麼說
中文拼音 [tōngxìnzìchǔlǐjī]
通信字處理機
英文
communicating word processor- 通 : 通量詞(用於動作)
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 處 : 處名詞1 (地方) place 2 (方面; 某一點) part; point 3 (機關或機關里一個部門) department; offi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 機 : machineengine
- 通信 : communication; communicate by letter; correspond
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Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現,描述了智能儀器硬體設計細節,包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等,詳細地給出了設計原理圖和電路圖;給出了新型智能儀器的軟體設計細節,從而完成了新型智能儀器完整的軟硬體設計。A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation
該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。The architectures of the receiver are rf pass band direct sampling and if pass - band sampling with high - speed analog to digital converter after rf to if conversion. the first kind of architectures is hard to realize because of the requisition of devices is too high
軟體無線電接收機分為射頻直接帶通采樣和將射頻信號變換到中頻后再進行帶通采樣,前者實現較難,對器件的要求太高,然後進行各種數字處理。Firstly, a system was developed in functions to collect infrasound data, to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process
首先設計一套數據採集系統,次聲波信號通過傳感器被轉換成模擬電壓信號,通過a d板將其轉換為離散的數字序列,輸入計算機。利用數字信號處理的原理和方法對異常次聲信號進行分析處理。A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study
在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。The paper take email the one kind of common digital information mediums as the research object. it realizes the intelligent processing of the mail digital information through the research of mail digital information processing based on machine learning. it enhances the classification and recognition accuracy of the mail digital information in order to satisfy the request that the mail gateway accurately filters the spam mail
本文以電子郵件這種常見的數字信息媒介為研究對象,通過基於機器學習的郵件數字信息處理技術研究,實現對郵件數字信息的智能處理,提高郵件數字信息分類識別的準確性,以滿足郵件網關對垃圾郵件準確過濾的要求。To realize nolinear excitation controller, it must be improved that the disposal speed of nolinear excitation control " s signal. with analyzing and comparing all kinds of microcomputer excitation controller, a new microcomputer excitation control scheme is offered that is based on dsp controller while the cpld chip is utilized for realizing the function of pulse trigger. it is described in detail that the method of realizing controllable silicon digital logic by verilog hardware describe language and the designed digital pulse trigger " s veracity was validated by digital simulation
論文進一步針對非線性勵磁控制要求信號處理速度高、信息量大的特點,在對目前微機勵磁控制器分析基礎上,提出採用dsp控制器晶元作為核心處理器的微機勵磁控制器的解決方案,運用復雜可編程邏輯器件cpld晶元實現可控硅同步脈沖觸發單元,並簡要說明了verilog硬體描述語言和數字脈沖形成邏輯的方法,通過電路數字模擬對所設計的數字觸發單元進行了驗證。General performance requirements and methods of measurement for digital signal processing unit of airborne fire control radar
機載火控雷達數字信號處理單元通用技術要求和測試方法This system ' s hardware adopts dsp - embedded controller, which can process digital signal independently. the controller communicates with pc by accessing memory. on the side of controller, c language is used to write the interpolation program and the interruption service program, while on the side of pc, visual c + + is used to write programs in which functions of editing nc - code, real - time control and human - machine interaction interface is fulfilled
該數控系統的硬體採用了具有獨立數字信號處理功能的dsp型運動控制器,控制器通過內存訪問與pc機通信,使用c語言編寫了控制器端的中斷服務和插補程序,使用visualc + +編寫了pc端的數控代碼編輯、實時控制和人機交互界面程序。Secondly, the scheme of the management machine of power communication, whose hardware architecture is based on c32 digital signal processor ( dsp ) and software is based on real time operation system ( rtos ), is discussed. and also the possibility of realization of the scheme is demonstrated
然後,給出了電力自動化通信管理機的設計方案,介紹了論文所採用的硬體基於c32數字信號處理器( dsp )和軟體以實時操作系統( rots )為平臺的方案,並論證其可行性。We have designed the hardware of target identity system with tms320vc5410 fixed - point dsp, completed data acquisition using a / d max 197, successed in communication with computers by max3111. it is comprised that an independent data signal processing and control system based on 5410
我們選用tms320vc5410定點dsp晶元來進行目標識別系統的硬體設計,使用max197模數轉換晶元完成了數據採集的任務,使用max3111實現了與計算機之間的數據通信,以5410為核心構成了一個自封閉式的數字信號處理與控制系統。This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits
本文採用了一種基於fpga的通用數字調制解調方案,該方案在調制端採用了正交平衡調制技術,在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術,直接在中頻上進行數字信號處理,不需要進行下變頻,也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。In this article, we compare scm with dsp in their architectures and operation speeds and design a motion controller based on the 16 - bit fixed - point digital signal processor tms320lf2407a, by which we realize the controls of eight axes of step - by - step motor or servo motor
本文通過比較單片機與dsp晶元的體系結構與運算速度,設計了一種基於ti公司的16位定點數字信號處理器tms320lf2407a的八軸步進/伺服運動控制器,實現了對步進電機和伺服電機的運動控制。Short - wave communication is the most important scheme in military communication. with the fast development of various new technology and new systems, such as dsp technology, micro processing technology, frequency - hopping technology, error correction technology, short - wave communication has already been widely applied in military communication, marine communication, board communication and so on
短波通信是現代軍事通信中最重要的通信手段,隨著隨著數字信號處理( dsp )技術、微處理技術,自適應技術、跳頻技術,糾錯技術,分集技術等各種新技術和新體制的飛速發展,短波通信已廣泛應用在軍事通信、海上通信、機載通信等各方面。Consulting relevant reference and related theories in software radio, this thesis is working on technologies of digital channelized receivers, including the theories on a / d sampling, digital down converter, multi - velocity signal processing, polyphase filter and uniform dft filter bank
本文針對電子偵察系統數字化實現,對數字式通道化接收機的相關技術進行了研究:包括a / d采樣的理論、數字下變頻相關理論、多速率信號處理的理論、多相結構優化抽取濾波、均勻dft濾波器組。Secondly, basing on single channel if sr receiver mathematic model, this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram, and explained the system working principle. furthermore, this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640, ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department, digital down conversion department and high speed digital signal processing department. thirdly, the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem, which including ad6620 ' s inner parameter software setup, tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization
其次,基於單通道中頻軟體無線電接收機數學模型,本文設計了中頻( if , intermediatefrequency )軟體無線電接收機子系統,給出了中頻軟體無線電接收機子系統的設計方案和系統電路原理圖,說明了系統工作原理,並分別對應系統中的高速模數轉換部分、數字下變頻部分、基帶數字碩士學位論文軟體無線電理論研究及中頻軟體無線電接收機子系統設計信號處理部分,介紹了高速adcad664o ,數字下變頻器( ddc , digitaldownconverter ) ad6620 ,高速數字信號處理器( dsp , digitalsignalproeessor ) tms320c6713的工作原理,以及它們在中頻軟體無線電接收機子系統中的應用。Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion
該卡以ti公司的16位定點數字信號處理器tms320f240為核心晶元,實現6路編碼器信號輸入處理,軸限位中斷處理,通過雙埠ram與pc進行通訊,接收pc發送過來的控制指令和數據,完成插補運算、聯動運算等控制,通過d / a轉換電路,將結果轉化為模擬電壓送伺服放大器驅動電機。Because the general signal processing system based on pci bus making use of advantages of the dsp and pci bus, can meet the high level demands of the radar signal processing and data transfer ability, so it ’ s application in radar system are developed rapidly
基於pci總線的通用信號處理機能夠充分發揮數字信號處理器和pci總線的優勢,滿足雷達信號實時處理、傳輸的要求,在現代雷達信號處理中得到廣泛應用。It is of great value both in theory and practice and has applied in many circumstances, including official automation, high speed information processing, machine vision, etc. in the intelligent transportation system ( its ), automatic recognition of license plate by using the technique of character recognition can give facilities for vehicles " surveillance and management
漢字識別是模式識別中一個重要的研究方向,它在辦公自動化、高速信息處理、機器視覺等多方面具有重要的理論意義和實用價值。在智能交通系統中,應用漢字識別技術,對汽車牌照進行自動識別,可以實現對車輛的監控和智能管理,具有廣闊的市場前景。分享友人