fdd 中文意思是什麼

fdd 解釋
民陣
  1. Internet cdma technology is a new technology with 1. 25mhz fdd bandwidth, mobile spectrum compatibility, broadband air interface and infrastructure technology, which was developed by tantivy

    從另一個角度，這也可看成因特網向無線方向的延伸。 i - cdma技術也稱internetcdma技術，是一項基於internet的移動寬帶技術。
  2. An infectious eiav clone was recovered by transfecting fatal donkey dermal ( fdd ) cell cultures and donkey leukocyte ( dl ) culture in vitro with the full - length gene clone of dv. the virus ( designed pd70344v ) derived from the third passage in dl culture was observed by electron microscope and the reverse transcriptase ( rt ) activity was determined

    將包含全基因片段的三個基因克隆以限制性內切酶消化后順次連接克隆到載體ptz18r上，構建了4個全長基因的分子克隆，分別命名為pd30343 、 pd70333 、 pd70343 、 pd70344 ，其中兩個轉移到低拷貝載體plg338上，命名為plgd30343 、 plgd70344 。
  3. During the developing economy, foreign direct investment ( fdd is not only a. great contribution to national economy such as forming capital, improving employment, adjusting balance of payments, but also an important way to transfer advanced technology

    在經濟增長過程中，外商直接投資不僅對形成資本、提高就業率、國際收支調整等宏觀經濟有著很大的貢獻，也是轉移先進技術的重要路徑之一。
  4. Compared with the fdd system, td - scdma adopting tdd, has no need of symmetrical frequency bands for uplink and downlink, and enables flexible and convenient planning and use of increasingly scarce spectrum resources

    與fdd系統相比， td - scdma採用時分雙工方式，上下行無需對稱頻段，可以見縫插針，靈活方便地規劃使用日益緊張的頻譜資源。
  5. And it has the specialty of stronger adaptability, higher reliability and better function etc. the paper regards the coal - transporting systen of the huaneng nantong power plant as the study object, applied the active tolerance to design the reconstructed model of tolerant control rule, to solve the two problems of real - time fdd and crr

    本文以華能南通電廠輸煤控制系統工程實例為對象，採用主動性容錯的方法構建系統的容錯控制律重構模型，解決系統的實時故障診斷和容錯控制律重構兩大問題。
  6. The communication technique of remote fdd system

    遠程監控系統的數據傳輸技術
  7. The occurrence of flood and drought disaster ( fdd ) is not a simple natural accident

    摘要水旱災害的發生並非單純的自然事件。
  8. A new fdd system has been given in this dissertation. the results show that it is good to the fdd. both the rate of lost detection and the rate of error detection get to what we want

    本文據此建立適當的模糊神經網路故障診斷系統，應用結果表明了該方法的有效性，漏檢率和誤檢率達到預定要求。
  9. A rule - based structure of internal model control ( imc ) system is given, and a rule - based imc controller is built up. 5 approach for rough set based fdd is proposed, and its applicability and computational complexity is discussed

    以一個具有非線性特性的自來水加藥混凝沉澱系統為背景進行了模擬研究，結果表明了基於粗糙集決策規則的粗糙狀態空間模型和粗糙控制器在非線性過程建模與控制中的有效性。
  10. Frequency division duplex fdd

    頻分雙工
  11. 2 ) in the arithmetic of beamforming algorithm ( lcmv, etc ) in up link, some arith - metic meanings are compared and the differences exist in practical application in system tdd and fdd are particularly analyzed as well

    2 ：上行鏈路中智能接收的波束形成演算法；對比了一些演算法（如lcmv與esb演算法）的性能，並且詳細論述了tdd系統與fdd系統在應用智能天線上的不同。
  12. The one main way that nn is applied to fdd is dynamic system identification with feedforward networks

    採用前饋型網路對動態系統辨識是神經網路應用到故障檢測和診斷中的主要方法之一。
  13. In the fourth chapter the more details of realizing the fault tolerant flow control is discussed, and and the crr is settled by the conclusion of fdd and the real - time function calculation which achieve the goal of the system control rule on - line reconstruction

    第四章進一步探討了主動容錯在流程式控制制中的實現問題，即根據故障診斷的結果，實時計算故障函數，在線修改系統的控制律的方法來實現容錯控制律重構。
  14. The aims of this dissertation include : try to solve problems in rough set based knowledge discovery and machine learning ; build up knowledge model for complex industrial processes ; following the concepts and approaches of nonlinear system control, construct a control system framework based on rough state space ; apply rough set theory to fault detection and diagnosis ( fdd ). the main contributions of the dissertation are as follows : 1 reviewed the developments and research situation of rough set theory

    本文的主要目的是試圖解決粗糙集在知識獲取、機器學習以及工業生產實際運用中所遇到一些主要問題，利用粗糙集在分析處理不完全、不精確和不一致數據中所具有的優勢，對復雜工業過程進行基於規則的非機理知識建模，在規則模型的基礎上，結合現代控制理論中的有關概念和方法，構造粗糙控制的初步框架，並將粗糙集方法運用於故障診斷。
  15. Utra fdd en electromagnetic compatibility and radio spectrum matters - base stations, repeaters and user equipment for imt - 2000 third - generation cellular networks - part 6 : harmonized en for imt - 2000, cdma tdd utra tdd covering essential requirements of article 3. 2 of the r tte directive v2. 2. 1

    電磁兼容性和無線電頻譜情況. imt - 2000第三代細胞網路用基站中繼器和用戶設備.第6部分:包括r tte指令3 . 2條款的基本要求的imt - 2000的cdma tdd
  16. Utra fdd en electromagnetic compatibility and radio spectrum matters - base stations, repeaters and user equipment for imt - 2000 third - generation cellular networks - part 2 : harmonized en for imt - 2000, cdma direct spread utra fdd covering essential requirements of article 3. 2 of the r tte directive v2. 2. 1

    電磁兼容性和無線電頻譜情況. imt - 2000第三代細胞網路用基站中繼器和用戶設備.第2部分:包括r tte指令3 . 2條款的基本要求的imt - 2000的cdma直接擴展
  17. The research of neural networks ( nn ) develops quickly, which make a new way for fdd

    人工神經網路的研究迅速發展，為系統的故障檢測和診斷的開辟了一條新途徑。
  18. 3. to satisfy the requirement of parsing fdd in hla standard, a parser model and its realization are presented

    針對hla標準中解析聯盟對象模型數據文件的要求，提出並實現了一個fom數據解析器。
  19. In the third chapter it is applied the rbf neural network to solve the real - time fdd, and the simulation result is given by matlabs. 3 software

    第三章採用基於徑向基神經網路的方法進行容錯控制的實時故障診斷，並用matlab給出了模擬結果。
  20. As current automatization level is improved and industry control system is increasingly complex, system failure detection and diagnosis ( fdd ) is increasingly important too

    現代自動化水平日益提高和工業控制系統日趨復雜，系統的故障檢測與診斷技術也顯得日趨重要。
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