環路信號 的英文怎麼說

中文拼音 [huánxìnháo]
環路信號 英文
loosignal
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  1. In the design and application of electronic engineering, both in open circuit and in closed circuit, signal is certainly affected by environment, the status of the transport network and the change of the parameters of the components applied. then the characters of useful information will be changed more or less and the change is generally called as distortion, namely so - called signal distortion

    =在電子工程的設計和應用中,無論在開傳輸或閉傳輸中都受到境、傳輸網的工作狀態和應用的元器件參數變化的影響,從而會或多或少地改變有用息的性質,這種變化就是所謂的畸變現象,通常稱作失真。
  2. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模擬軟體對所設計的電荷泵鎖相中各個模塊及整個系統進行了模擬模擬,模擬結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入,輸出中心頻率為800mhz ,分頻電採用4分頻,帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  3. A demodulating strain method that avoids light source ' s fluctuation and environmental factors is put forward

    提出了一種不需要雙光就減小了光源波動及境因素對測量的影響的解調應力方法。
  4. Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm

    第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計,這些模塊包括:上下變頻器、奈奎斯特濾波器、到達檢測、插值模塊、通用、各誤差提取方法、初始相位校正和tcm編譯碼。
  5. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網境下,通頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab境下做了模擬實驗,對各種音頻及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變源編碼。
  6. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波與目標輻射噪聲等的影響,建立回波的數學模型、境場中的噪聲模型(包括海洋境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波與噪聲; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對的時域與空域處理,並結合模擬程序中陣列處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網與控制系統相連,組成完整的魚雷模擬器。
  7. The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality

    而浸漆乾燥工藝作為電機、變壓器等電氣設備的修理、製造中的重要節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱風循乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻調理板等專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調壓電的方法,提出了在線檢測產修品的絕緣電阻的方法和手段,以確保企業產品質量不斷提高。
  8. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光功率計對每條光纜中的備用光纖進行實時的監控,測試光功率的衰減值,主控計算機不斷循的對每個光功率模塊進行數據採集,並記錄每的光功率衰減值,然後進行分析處理,如發現達到設定的光功率衰減門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。
  9. Because of the different function of roads and the difference of region, the form of intersections and connections between them is different with each other. at present, the types of nodes adopted in china and abroad include uncontrolled intersections, all - way stop - controlled intersections, two - way stop - controlled intersections, signalized intersections, roundabouts, grade - separated junctions and their combinations. each type of nodes has different characteristics and adapts to different function demands

    城市道是以網形態分佈於城市區域內的地面交通設施,由於道的功用不同以及地域的差異,各道間的交叉和連接方式各不相同,目前國內外所採用的節點形式有無控制平交節點、全停牌控制平交節點、二停牌控制平交節點、燈控制平交節點、平面行節點、立體交叉節點以及它們的組合形式,各種節點具有各自的特性,適合於不同的功能需求。
  10. There are many ways of modulating signal about bpsk such as castas loop, square loop, etc. usually the carrier wave is put forward firstly, then the purified carrier wave is used to demodulate the output data ( all these things are usually completed in the same loop ). these methods have their strong points but at same times, it is difficult to design and achieve these ways

    有關bpsk調制的解調方法很多,例如castas,平方等,這些方法一般都是先提取載波,然後用提純的載波去解調出傳輸的數據(大都在同一個內完成) ,這些方法的優點是顯而易見的,但是在某些條件下,這些方法的設計和實現卻很困難。
  11. The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.

    目的是用鎖相? pll和dll (延遲鎖相)實現usb2 . 0收發器宏單元utm的時鐘恢復模塊。其中pll構成的時鐘發生器將外部晶振的12mhz正弦生成60mhz 、 120mhz 、 480mhz等本地時鐘。 dll依據本地時鐘對外部數據進行時鐘恢復。
  12. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相的工作原理和基本組成部分,包括鎖相的設計和濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  13. Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system

    自適應演算法是智能天線的核心技術之一,它決定著智能天線對來波響應的速率和系統實現電的復雜程度,系統需要針對各種通境來選擇合適的演算法,也可以採用演算法分集的方法來使整個系統工作在最佳狀態。
  14. The key results of circuit debugging are offered etc. it illuminated that those circuits are consummate for transform displacement signal to hard disc " rotor suspended by amb

    對電進行調試並給出關鍵節調試結果。調試結果表明:該電能較好的對轉子的動態位移進行處理。
  15. We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip. we utilize dam6416p board and ccs2. 2 software to put up a micro - dot simulation system

    本文完成了該檢測系統的初步探索:根據幾何光學原理,設計了成像光的方案;完成所需圖像傳感器分辨能力的計算和型的選擇;完成了數字處理晶元的選擇,及對模擬開發系統的學習和初步應用,並利用基於tms320c6416晶元的dam6416p模擬開發版和集成開發境ccs2 . 2 ,搭建了一個顯微網點處理系統,從而驗證了系統的可行性。
  16. In the traditional polarization diversity and combining scheme, differential mode loop and common mode loop is combined to lock in the phase and frequency of the diversity signals and remove the carrier frequency bias and doppler shift

    傳統的極化分集接收方案是將差模和共模相結合完成兩的同頻同相鎖定以及多普勒頻率偏移的去除。
  17. Measurement and control the system of this text has 32 analog signal input passways, 32 signals circulates to sample once within 2 seconds. its measure precision is superior to 0. 2 %

    本文測控系統有32個模擬量輸入通道, 32在2秒鐘內循采樣一次,測量精度優於0 . 2 。
  18. The working principle of buck - boost is first introduced, and averaging model of non - ideal buck - boost converter is established. the design details for voltage loop were given and zero - pole compensation method from classic control theory was applied to the filed of power electronics. thus, small - signal model of closed - loop was established, with detailed design guidelines for correction network

    本文介紹了buck - boost電的工作原理,建立了非理想buck - boost平均法的模型,對整個電進行了單電壓閉參數設計的研究,實現了控制理論中零極點補償法在電力電子中的應用,建立了閉模型,總結了設計校正網的步驟和具體方法。
  19. The paper researches a kind of system measuring the temperature and displacement of the optical fiber that can monitor and control simultaneously the temperature and displacement of the blades two - way signals of the turbine, and alert when the emergencies happen

    本課題研究的光纖溫度位移測量系統能在惡劣的境下,同時實時監測渦輪機軸溫及其軸向位移兩,保證其正常工作,並在發生異常情況時,能立刻報警。
  20. The thesis studies a multi - signals data acquisition, supervisory and control system. in labwindows / cvi, a approach control data acquisition system based on virtual instrument is developed

    論文針對引控數據採集系統的多採集與監控進行了研究,提出了在labwindows cvi境下開發基於虛擬儀器技術的引控數據採集系統。
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