digital conversion receiver 中文意思是什麼

digital conversion receiver 解釋
數據轉換接收器
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • conversion : n 1 變換，轉化，轉換；換算，換位。2 （意見、信仰等的）改變〈特指改信基督教〉；（車身，設備等的）...
  • receiver : n 1 接受者。2 收稅人，收稅官。3 招待人。4 窩家，收買賊贓的人。5 應戰者。6 【法律】破產案產業管理...
  1. 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。
  2. Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module

    隨后在此基礎上，對應用於w - cdma系統智能天線接收機進行了系統設計分析，並給出了實現方案，主要包括射頻前端電路模塊、中頻解調電路模塊，參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。
  3. 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。
  4. The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator, parallel - to - serial conversion module, output processor and afc module

    接收部分主要有數字下變頻、數字匹配濾波器、積分清洗、功率檢測、符號跟蹤處理、差分解調、並串處理、自動頻率跟蹤處理等模塊。
  5. ( 2 ) an analog - digital channelized receiver is given. two key techniques of this receiver, including how to achieve data conversion effectively and frequency estimation precisely, are introduced briefly. the change of channelized lfm signal is discussed

    給出了一種目前可實現的模數混合通道化接收機方案，簡要介紹這種接收機的關鍵技術? ?高效的數據率轉換以及超寬帶線性調頻信號測頻演算法。
  6. The radar digitalized receiver is based on digital down conversion ( ddc ) technology, which is implemented on fpga. the radar controller is based on the following technologies : fpga, tigersharc dsp and can bus. the implementation of ddc includes two parts, the demodulation and decimation of i and q channels

    雷達數字化接收機部分是基於數字下變頻（ ddc ）技術在fpga上實現的演算法研究及工程實現;雷達控制器部分是基於tigersharc 、 fpga 、 can總線的多項控制技術的方法研究及實現。
  7. A frequency guiding digital receiver is given. the key technology, fast frequency estimation and high effectual data rate conversion, is introduced briefly

    給出了一種頻率引導式的數字接收機方案，簡要介紹這種接收機的關鍵技術? ?快速、高精度頻率估計以及高效的數據率轉換。
  8. And the performance of these algorithms is compared with each other. to simplify the sampling rate design and digital processing in receiver, we prefer to use the direct down conversion structure. the problem is the analog front - end in this structure will bring iq mismatch, which will effect the phase of recovered carrier and code

    第三部分對接收機中的載噪比估計演算法進行了分析，目前gps導航接收機中採用的載噪比估計演算法對殘余多普勒非常敏感，而且gps中的數據速率為50bps ，北斗二代中的存在數據速率為500bps ，應用條件的差異導致該演算法的不可用。
  9. Based on data rate conversion technology, wideband digital ew receiver is able to achieve high intercept probability, high sensibility and the ability of approximately real - time signal processing

    建立在數據率轉換技術之上的寬帶數字偵察接收機要求能夠實現高截獲概率、高靈敏度、近乎實時的信號處理能力。
  10. Data rate conversion technology for signal is one of the key technologies of wideband digital reconnoitering receiver. it is the feasible scheme to resolve the rate gap between the front end data flow of high speed analog digital converter ( adc ) sampling and the back end digital signal processor ( dsp ) processing

    雙信號數據率轉換技術是寬帶數字偵察接收機關鍵技術之一，是解決寬帶數字接收機中前端高速adc采樣的高速數據流與後端dsp處理速度之間瓶頸問題的可行方案。
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