field identification signal 中文意思是什麼

field identification signal 解釋
場識別信號
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • identification : n. 1. 認出，識別，鑒定，驗明（罪人正身等）。2. 【心理學】自居作用。3. 身分證。4. 【數學】黏合，同化。
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  1. Applying this forward model, the system identification theory is firstly introduced to gpr signal analyzing field, and the sidthk program is developed for backcalculating dielectric property and thickness of pavement structures

    應用該正演模型，首次將系統識別理論引入探地雷達信號分析領域，提出了路面結構層材料介電特性及其厚度反演分析方法，並開發了反演分析軟體sidthk 。
  2. These years wavelet theory has been widely applied in underwater signal processing. whereas its excellent time - frequency localization, this dissertation takes continuous wavelet transform ( cwt ) as research tool and devoted to systematic research and deep exploration of two aspects in underwater signal processing field - estimation of parameters and target classification and identification

    近年來小波分析在水下信號處理方面的應用得到了長足的發展，鑒于其良好的時頻局部化特點，本文將基於連續小波變換的時頻分析作為工具，就參數估計和目標識別兩方面的問題做了系統研究和深入探討。
  3. It could be popularly used in signal processing, signal restoration, ultrasonic detection, image restoration, system identification. many people had made embedded researching in solution ' s number, quality, fast arithmetic, error ' s processing and made great progress in this field

    卷積和卷積反演是數字信號處理中的重要問題，它在信號處理、信號恢復、超聲診斷、圖象復原、系統辯識等領域都有廣泛的應用。
  4. Wavelet transform, which is a new powerful mathematical tool appeared in recent years, is regarded as the crystal work of pure mathematical field and the great breakthrough in signal - picture analysis and quantum physics, and is thought as the new trend of applied mathematics. because of its good time - frequency localization and flexible time - frequency windows, wavelet transform has been widely applied in such as signal study, picture process, quantum mechanics, radar, computer identification, earthquake exploration, so on and so forth

    小波分析是近年來出現的嶄新而有力的數學工具，由於其良好的局部化特性和彈性的時-頻窗特點，而被認為是調和分析這以純數學重要領域半個世紀以來工作之結晶，也是信號與圖像分析、量子物理等科學和工程技術近十年來在數學方法上的重大突破，從而被認為是應用數學的新趨勢。
  5. Based on the normal equation algorithm to fir system identification and wavelet iteration, a method to estimate the wavelet from the third - order cumulant of field data is developed. due to the fact that higher order cumulant retains the phase information of the signal, and can suppress the gaussian noise ( color or white noise ) naturally, we can improve the time resolution via inverse filtering the wavelet estimated

    本文在基於高階累積量的fir系統辨識基礎上，利用觀測信號的三階累積量對探地雷達子波進行估計，提出一種簡單的迭代演算法改善了波估計性能，據此進行反褶積，改善反射信號的信雜比和時間解析度。
  6. The emphasis is put on the spatial angle identification of the unsolved jamming signal in the time and frequency field. two methods of the spatial angle separation is given : the clustering analysis and the power centroid track, and the advantages and the shortcomings of these methods are discussed with the theoretical analysis and the emulational result

    本文重點研究了對于多個時域、頻域均不可分辨的干擾信號如何從空間角度上進行分辨，提出了兩種角度分辨的方法，聚類分析法和能量重心跟蹤法，並結合理論分析和模擬的結果，討論了這兩種方法的優缺點。
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