analog transmission system 中文意思是什麼

analog transmission system 解釋
模擬傳輸系統
  • analog : n. ＝ analogue.
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. According to the transmission requirement of solar radio heliograph, four transmitting schemes are compared and an analog optical fiber transmission system is chosen as the final mechanism

    根據日像儀系統的傳輸性能要求，對四種光纖傳輸方案進行了綜合比較，最終選擇模擬光纖傳輸系統作為建設方案。
  2. Nowadays, the tv guidance technique using analog signal in the procession of transmission has been mastered proficiently, the conventional analog signal is gradually replaced by the digital signal, because it has many disadvantages, such as its need for wider bandwidth ( 6mhz ), the fact of being vulnerable to the noise, its hardware system is very complex and very hard to establish a common standard, while it also has some problems in the system using digital signal, the main problem is its huge volume of data

    視頻信號可分為:模擬信號、模擬和數字信號並存、數字信號。目前，傳輸過程中使用模擬信號的電視制導技術已經比較成熟，但其固有的缺點是:傳輸模擬視頻信號所需帶寬較寬（ 6mhz ） ，傳輸過程易受干擾，且硬體系統復雜，不易標準化，使得其逐漸被數字信號所取代。
  3. As we know, in tv information transmission digital signal can perform better than that of analog signal, so maintenance of digital tv system would be more complex, meanwhile, compared to well - matched and sophisticated monitoring equipments for analog tv system, there are rare such devices in digital system

    但是，模擬電視系統的測試和監測設備配套完善，而數字電視系統的監測系統相對較復雜，因此，模擬電視系統升級到數字電視系統的過程中，數字電視監測系統的研究及其相關產品開發將是一項重要課題。
  4. 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。
  5. Because hart realizes digital communication in the transmission of analog signals, it has strong competition in this interim period and grows quickly. our country also began to develop control system based on fieldbus in order to break up international monopolization

    其特點是在現有的模擬信號傳輸線上實現數字信號通信，屬于模擬系統向數字系統轉變過程中的過渡產品，因而在當前的過渡時期具有較強的市場競爭能力，得到了較快的發展。
  6. Modern communication system has been switched from analog signals transmission to digital signals transmission

    在現代通信系統中，使用數字信號傳輸的優勢越來越明顯。
  7. Initially, pdh was introduced to improve and replace the obsolete analog frequency division multiplex ( fdm ) system. however, it was soon found that pdh had shortcomings such as difficulty in management, high construction cost, limited applications and lack of connectivity standards at the optical layer. thus, in the early 1990s, synchronous digital hierarchy ( sdh ) was introduced in the transmission system

    Pdh最初引入是為了改進和替代老式的模擬頻分復用器系統，但很快被發現pdh管理困難、造價高、應用范圍窄，且缺乏在光層面上的連接標準，因此90年代初期， sdh （ synchronousdigitalhierarchy ）標準被首先引入了傳輸系統。
  8. This design can provide a high - speed path to a set of sharc parallel array processor. between this parallel processor and an analog signal acquisition module, the designed system can realize real time transmission

    本設計的目的在於為一套sharc并行處理陣列機提供高速的數據通道，使其能與模擬信號採集模塊進行實時的數據傳輸。
  9. The system can receive the control request of remote clients, process the acquisition of analog signals, i / o control and remote transmission

    此採集系統能接收遠程客戶的控制請求，進行模擬量採集、 i o控制和遠程傳送。
  10. In theoretically, analog optical fiber link can carry out the signal transmission transparently. however, because of the limit of the component level, during the transmission and distribution of the radar signal, noises and interferences from the optic - link may distort the signal and affect the system performance and the array signal processing

    模擬光纖鏈路理論上可以實現信號的透明傳輸，可由於受到器件水平的限制，在整個光傳輸和分配過程中，雷達信號必將受到來自光路噪聲或干擾的污染，從而產生某些畸變和失真，這些非理想因素必然對陣列系統的性能指標和陣列系統的信號處理產生影響。
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