現實信號 的英文怎麼說

中文拼音 [xiànshíxìnháo]
現實信號 英文
signals of reality
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 現實 : 1. （客觀存在的事物） reality; actuality 2. （合乎客觀情況的） real; actual
  1. Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology

    本文在國內外最新的asac理論研究與實驗成果的基礎上，首次將現代魯棒控制理論（ h _控制理論）與現代流體動力學、固體動力學理論相結合，建立了結構振動聲輻射主動控制模型，提出了設計魯棒h _控制器的新方法，並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置，進行了實驗研究。
  2. Then, according to characteristic of four kinds of butterfly operation in real number signal integer fft transform keeping modulus conjugating with symmetry, different lifting matrixes has been got and real number signal integer fft transform keeping modulus conjugating with symmetry can been achieved

    然後，根據實信號保持共軛對稱性的fft整數變換中的四類蝶形運算特點分別構造不同的提升矩陣，從而實現實信號保持共軛對稱性的fft整數變換。
  3. The tested signals is entered into the digital oscillograph and output the analog signals. in the base of known patameter of time domain, the signals is transform by fft

    將測試信號首先經過數字示波器重現模擬信號，在已知時域參數的基礎上，對信號進行fft變換，最後實現對信號的頻域測量。
  4. In this paper, many features of ship ' s radiated noise are extracted by the means of techniques in modern signal process, and the theory of information fusion is used for calculating basic belief assignment and identification and classification of targets

    本文應用現代信號處理技術的多種手段主要研究了艦船噪聲的多種特徵信息提取，應用信息融合理論重點研究了可信度分配、目標識別分類的信息融合實現等技術。
  5. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  6. In the aspect of blind - identification, the mutual power spectrumx time - frequency distribution product of two delay signals are used as the features of classification. the cluster analysis and cumulant invariants of mpsk signals are used to automatically classify communication signals

    在信號識別中，選取信號的互功率譜、時頻分佈、 mpsk信號的延遲相乘信號作為分類特徵，利用模式識別中的聚類分析以及mpsk信號的基於高階累積量構成的分類特徵不變量實現了信號調制類型的自動分類。
  7. Performance analysis of soft - decision decoding in demodulation of oqpsk signals

    解調中實現對信號糾錯的分析與應用
  8. Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed

    結合vts系統的現實要求和發展方向，本文從vts雷達原始視頻圖像數據的特點出發，從信息論中關于數據壓縮的基本原理出發，從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發，提出了雷達原始視頻編解碼系統方案，其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現，闡述了系統工作流程；提出了基於jpeg壓縮演算法和h
  9. An approach of two point temperature correction parameter compensation is presented in this paper, it can compensate the parameter accuracy according to the real - time signal dynamic range, the parameter can be modified near to its theoretical value

    文中探索了一種二次參數補償的兩點溫度定標方案，由基本公式得到的校準參數值，再依據現實信號動態范圍進行實時精度補償，使之更加接近於理論計算值，從而使非均勻性校準的系數精度得到較大幅度提高。
  10. Awg possesses an essential function of coherence system - " composing frequency and generating image ". therefore as far as spatial frequency field is concerned, awg is an optical integration of coherent system : two slab waveguides similar to two fourier lenses of one dimension and twice fourier transform of optical signals are realized. here the arrayed waveguide region is frequency spectrum region

    Awg具有相干系統的「分頻成譜、合頻成像」這一本質功能，因此若從空間頻域的角度來看， awg就是一個相干系統的光學集成：兩個平板波導類似兩個一維傅里葉透鏡，實現光信號的兩次傅里葉變換；而陣列波導區即為頻譜區。
  11. In this paper, grounded on the project of “ 973 ”. it includes specifically the study on the signal processing, and to multiple move targets resolving. plentiful simulations are presented to testify the validity of these techniques

    本文結合973項目，基於現代信號處理方法對雷達波束內多目標分辨方法進行了比較深入的研究，並進行了大量的模擬實驗。
  12. Using fourier transformation computational method, the fir filter was designed. the acceleration signal dynamic error was revised through the fft 、 ifft and frequency correction in the operating frequency scope. the signal processing had been realized on dsp, and the signal data was really recorded

    應用傅里葉變換的計算方法，並且完成了fir濾波器的設計，通過傅里葉正反變換和頻率補償實現工作頻率范圍內加速度信號動態誤差修正，在dsp上實現了信號處理，真實地記錄了信號數據。
  13. When tested with two saw filters whose center frequencies are 155mhz and 163mhz respectively, the ic completed the summing function of input signals, while the 5db bandwidth expands by about 10mhz. and the variation of the matched impedance caused by the ic is small enough to be ignored

    在對中心頻率分別為155mhz和163mhz的聲表面波濾波器進行加權控制的測試中，該電路實現了信號的疊加功能，輸出信號的5db帶寬展寬約10mhz ，且電路引起阻抗匹配的變化小。
  14. Accomplish the liquid level measurement system design, and the selection and computation of key parameter. 2. accomplishing the design and simulator of the signal processing arithmetic, a curving arithmetic of increase the accuracy of the level measurement system is researched, and compared with maximum estimation at the same time

    本文所作的主要工作: 1 .根據液位測量雷達系統的要求提出系統設計指標以及方案; 2 .提出了一種提高液位測量精度的擬合演算法，通過模擬計算將其與最大估值法進行比較; 3 .設計差拍信號處理軟體處理演算法; 4 .利用c8051f02x開發板和自己開發的外部顯控終端板實現了信號處理樣機，對信號處理演算法進行了驗證。
  15. Whereas there are factors, a kind neotype dynamic balancer system of crank and connecting rod mechanism is researched & developed. against the feature of the balance of the rigid rotator, and applying theory of balances, microelectronic technique, digit signal processing technique, software programming technique and the greatly processing function of computer, it realizes such the functions as sampling signal, digit processing, balance calculation, result display

    鑒於此，本課題研製開發了一種新型的硬支承結構動平衡測試系統，它是針對剛性轉子的平衡特點，並應用轉子平衡理論、微電子技術、數字信號處理技術、軟體編程技術、及計算機強大的處理功能，實現了信號採集、數據處理、平衡計算、結果顯示等多功能於一體。
  16. In this paper, leak of water - filled pipe was researched in laboratory by means of modal acoustic emission and modem signal processing technologies

    本文在實驗室條件下，利用模態聲發射技術並結合現代信號處理技術，對充液管道泄漏問題進行了研究。
  17. Finally, a remote signal analysis and fault diagnosis system based on the above contents is realized in the form of web, which provides a uniform interface for the remote clients

    最後在以上內容的基礎上，開發了設備遠程信號分析與故障診斷系統，實現了信號分析與故障診斷的web化，為遠程用戶提供了一個統一的平臺。
  18. With these optical transceivers, the workstation on the shore can receive the synchronization signal for synchronization demodulation of pgc and controls the long - distance photoelectric modules under water. in this thesis, a long - distance optical transceiver is designed to meet the above requirements. beginning with the principle of optical communication, characteristics of the basic optical active device are summarized firstly

    為了實現pgc信號的同步解調與遠程水下光電模塊的監控，岸基工作站與水下光電模塊需要通過光收發一體模塊進行低速率、無中繼的雙工通信，因此本課題的主要工作是進行遠程水下光收發一體模塊的設計與實現。
  19. The main features and applications of the lfmcw radar in the radar altimeters, automotive highway monitoring systems, warship navigation systems and other areas are reviewed first. based on the relevant research results, the liquid level measurement system are researched, included system design, the selection and computation of important parameter, the research of signal processing arithmetic, the development of hardware, the software realization of arithmetic and the debugging of signal processing system. the main research work and results can be summarized as follows : 1

    本文首先介紹了lfmcw雷達的特點以及應用，分析了液位測量雷達的測距原理以及距離解析度的影響因素，然後重點研究了lfmcw液位測量雷達系統設計考慮關鍵因素，完成了lfmcw液位測量雷達系統的設計方案和指標論證，提出了該雷達系統差拍信號處理演算法，並編寫軟體實現了該演算法，然後利用開發板實現了信號處理樣機，對信號處理演算法進行了驗證。
  20. This is by two reasons : the first, as the development of military communication technologies, it transit from digital to software implementation, intelligence, broad band implementation and network implementation. many new technologies such as adaptive frequency hopping, burst communication, broadband modulation and complex coding accelerate the research about pertinence algorithms of signal sense and signal processing. the second, three hotspots of modern signal processing - spectrum estimation, high - order statistics ( hos ) and time - frequency analysis theory become more and more consummately and being used in communication jamming and anti - jamming field

    應用於軍事通信對抗的信號處理理論發展非常迅速，這得益於兩個方面的動力：其一，軍事通信的技術和手段不斷更新，在數字化的基礎上逐步走向軟體化、智能化、寬帶化和網路化，出現了自適應跳頻、突發通信、寬帶調制和復雜編碼等新的實用技術，推動了具有很強針對性的信號偵測和處理領域的演算法研究；其二，現代信號處理的三大熱點? ?譜估計、高階統計量方法、時頻分析的理論和技術日臻完善，並逐漸應用於通信對抗領域。
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