辨識信號 的英文怎麼說

中文拼音 [bānzhìxìnháo]
辨識信號 英文
identification signal
  • 辨 : Ⅰ動詞（辨別; 分辨; 明察） distinguish; discriminate; differentiate; recognize Ⅱ名詞（姓氏） a surname
  • 識 : 識Ⅰ動詞[書面語] （記） remember; commit to memory Ⅱ名詞1. [書面語] （記號） mark; sign 2. （姓氏） a surname
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 辨識 : identification辨識符號 identification mark; 辨識技術 identification technique; 辨識器 identifier;...
  1. The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation

    通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器，使用信號的峰度區分調制類型是模擬調制還是數字調制。
  2. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  3. We propose in this paper an evaluation method for the transient performance of das, through the period signal, by utilizing the much smaller difference than sampling period between the multi - periods of signal and the multi - sampling periods, getting shorter equivalent sampling period ( i. e. higher equivalent sampling rate ), which is derived from input signal period and sampling period, and then, the problem that how to get the transient performance of das has been solved. the transfer function of das is then evaluated and identified, and practical test results are also presented

    本文介紹一種方法，通過對其加載特定的周期性輸入信號，使用采樣周期的整數倍和信號周期整數倍間的微小偏差，獲得比實際采樣周期小得多的等效采樣周期，從而解決了數據採集系統瞬態響應特性的獲取問題；並進而獲得了數據採集系統傳遞函數的辨識和評價結果，實現了數據採集系統瞬態特性的總體評價。
  4. Design of identification experiment signal for minimum variance control

    基於最小方差控制的閉環辨識信號設計
  5. As one of main branches of the automatic control and signal processing, system identification has played a more and more important role in many fields, such as space - flight, aviation, engineering control, chemistry, finance and so on

    系統辨識技術是自動控制、信號處理等學科的主要分支之一，在航天、航空、工程式控制制、化學、金融等領域日益發揮出重要作用。
  6. In direct torque control system, speed sensors are usually used to survey the speed of motor, but speed sensors have many disadvantages, such as inconvenient fixing and maintenance, inaccurate precision. at present it is an efficient and feasible method to estimate speed by using software instead of hardware

    以往在直接轉矩控制系統中採用速度傳感器檢測速度信號，由於測速裝置具有安裝不便、維修困難、測量精度差等缺點，因而採用軟體代替硬體檢測設備辨識速度，即進行無速度傳感器的設計，不失為一種有效可行的速度辨識方法。
  7. On the other hand, in order to distinguish and identify the targets, and to solve the problems of radar imaging, phased array radar must have also wide instantaneous signal bandwidth

    另外，為了提高天線的分辨、識別能力和對多目標成像的能力，相控陣雷達還必須具有大的瞬時信號帶寬。
  8. Modeling and classification of two - channel elctromyography signals based on blind channel identification theory

    基於盲辨識理論的雙通道肌電信號建模與分類
  9. The theoretical background of the test signal method is the theory of mechanical admittance and mode identification, which is based on the frequency scanning of the test signal and has already been used widely in mechanical engineering

    提出了一種基於測試信號的小擾動穩定性分析方法?測試信號法，用於分析電力系統低頻振蕩問題。其理論基礎是機械導納理論和模態辨識理論。
  10. To conquer the problem of acquisition high effectiveness in analog circuit fault imformation, wavelet transform was researched in this paper to preprocess the fault signals. meanwhile, bp neural network diagnosis method based on wavelet transformation was proposed, this method can abstract fault feature effectively and decreases the dimension of imput vector. by this mean, the construct of neural network can be simplified and training time was economized, then the recognize ability of fault type was improved also

    為解決模擬電路的故障信息高效獲取難題，本文採用小波變換作為故障信號的預處理器，研究了基於小波變換預處理的bp網路故障診斷方法，該法能在有效提取故障特徵的同時，降低輸入信息的維數，從而進一步簡化了神經網路的結構，減少了其訓練時間，提高了辨識故障類別的能力。
  11. Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed

    本文創新性的成果在於：提出了預編碼-判決反饋聯合均衡系統結構，並從理論推導得出了對應的最大互信息量最優化設計結果；首次提出了時變色散通道的離散正則模型概念，該模型適宜於利用觀察數據的二階統計量進行盲信號處理；基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究，提出了對時不變通道矩陣的子空間盲辨識演算法；針對誤差傳播效應問題，提出了可以消除誤差傳播效應的兩級盲辨識演算法；提出了基於離散正則模型的直接盲均衡演算法；提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。
  12. We propose the joint filterbank precoders and decision feedback equalizers structure at first, by which the dispersive channel is equivallent into parallel independent flat fading subchannels such that the diversity gain of the receiver is increased. then we adopt the discrete - time ( dt ) canonical model to convert the problem of blind signal processing of tv dispersive channels into processing the time - invariant multi - channels model blindly, and discuss the problem of blind equalization and identification of tv dispersive channels based on this new model

    第一種是採用濾波器組聯合均衡方法將色散通道等價為一組獨立的平坦衰落子通道，以提高接收機的分集增益；另外一種是提出採用離散正則模型將時變色散通道的盲信號處理轉化為時不變多通道模型的盲信號處理，並針對該模型對時變色散通道的盲均衡與盲辨識方法進行了詳細討論。
  13. The idea of diversity is emphasized in this thesis in signal processing perspective, and two schedules are proposed to perform it

    文章重點從分集處理的角度來討論時變色散通道的盲均衡和盲辨識問題，指出了兩種採用信號處理方法實現這一思想的基本策略。
  14. The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area

    極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。
  15. The key of the algorithm is identification of plant. based on analysis and calculation, the thesis presents the theory and method for minimum phase plant identification. the plant with uncertainty can be estimated through plant response to a short - duration step control effort acting directly on the plant so that the pdf control coefficients can be computed

    該演算法最重要的是對對象的辨識，經過大量的分析與運算，本文提出了在對象為最小相位時，辨識對象的階數及其高階項系數的理論和方法，即以階躍信號直接激勵被控對象，對其輸出信號進行差分運算，利用所得的值判定對象的階數及其高階項系數。
  16. In this thesis, the fundamental principle and system constituent of the electronic olfactory system are analyzed and studied ; a set of detection system of gas mixture, combined gas sensor array with artificial neural network pattern recognition technology, is designed and constructed. employing this system, the processing ability and identification results of several preprocessing algorithms and artificial neural network models are compared and analyzed. and finally the following conclusions are arrived : 1 ) gas sensor array coupled with pattern recognition technology has the good ability to identify the gas species and quantify its concentration

    本文分析研究了電子嗅覺系統的基本原理和系統組成，設計構建了一套氣體傳感器陣列和人工神經網路模式識別技術相結合的混合氣體檢測系統，並利用這套系統對目前在電子嗅覺系統中使用較廣泛的幾種信號預處理演算法和人工神經網路模型的處理能力和辨識效果進行了分析和比較，最後得出了以下結論： 1 ）氣體傳感器陣列與模式識別技術相結合能夠很好地分析和辨識混合氣體組份及其濃度。
  17. Just using the stator currents, stator voltages, and velocity, the method proposed in the paper makes real time identification of induction motor parameters based on the least squares identification algorithm. the method does n ' t use the rotor flux signal, avoiding the coupling between the rotor flux observation and the parameter identification

    本文提出僅用電機的定子電流、電壓和轉速進行電機參數的辨識方法，它利用遞推最小二乘法進行在線參數辨識，該方法不需要觀測得到的磁鏈信號，消除了磁鏈觀測和參數辨識的耦合。
  18. The process of target identification is formulated, which involved feature extraction, dimension reduction and classification. for solving the overlap of each subspace of a wavelet library in frequency, there are two approaches that are best basis ( bb ) and local discriminant bases ( ldb ). their measure and searching algorithm were researched

    從數學的角度描述了目標識別過程，依據cwt和多分辨分析表示信號的特點，提出了以信號尺度?小波能量譜、時間?小波能量譜、多分辨分解系數和各子帶能量強度為特徵的方法。
  19. In chapter 3, the selection of the nni model, input signal and error rule are discussed. then the nni of the nonlinear system is studied. the static and the dynamic problem are clarified separately, and two examples are presented correspondingly

    第三章首先對神經網路的辨識模型的選擇、輸入信號的選擇以及誤差準則的選擇進行討論，然後對非線性系統的神經網路辨識模擬進行研究，將其中的靜態問題和動態問題分開進行論述，最後針對靜態問題和動態問題給出相應的實例模擬。
  20. This is in line with experimental research in rodents where central or peripheral administration of nmda - antagonists has been shown to produce effects that resemble some symptoms of schizophrenia. bilateral injections of competitive and non - competitive antagonists in the medial pfc ( mpfc ) induced hyperactivity

    2 .實驗中「 go 」線索呈現時， pfc神經元放電頻率顯著增加，高於「 no90 」線索呈現時神經元放電頻率增加值，提示對視覺警告信號的反應具有識別和分辨作用。
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