艦船噪聲 的英文怎麼說

中文拼音 [jiànchuánzàoshēng]
艦船噪聲 英文
shinoise
  • 艦 : 名詞（大型軍用船隻; 軍艦） warship; naval vessel; man-of-war
  • 船 : 名詞1. （水上的運輸工具, 船舶的通稱） boat; ship; vessels 2. （姓氏） a surname
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 艦船 : ships and warships艦船導航 ship navigation; 艦船定位 ship location; 艦船發動機 marine engine; 艦...
  1. For ship mounted sonar, the transducer received not only the required signal but also the ship noise. for distant signal, the ship noise is a strong interference

    在船用聲吶環境中，基陣所接收的除了可能有的目標信號外，還存在本艦噪聲，它對于遠方的目標信號是一個強大的干擾源。
  2. The results show that the self - adaptive filter can be used to detect line spectrum, the wavelet transform and the fourier transform can be used to detect the ship noise in modulating the anisotropic noise field

    結果表明：自適應濾波對于各向異性噪聲場中的線譜檢測有良好的效果；而小波變換和短時傅里葉變換對各向異性噪聲場中的艦船噪聲調制信號檢測有良好的效果。
  3. A new method for feature extraction in ship noise

    基於多重分形的艦船噪聲特徵提取
  4. Study on target recognition based on simulation model of ship radiated - noise

    基於艦船噪聲模擬模型的目標識別研究
  5. Object ' s through signature simulation based on power spectrum density estimation

    基於功率譜估計的艦船噪聲特徵提取及聲場通過特性模擬
  6. A new method of line - spectrum extraction of ship radiated - noise based on part imitate was proposed in this paper

    摘要提出了一種基於分段擬合的提取艦船噪聲信號功率譜中線譜特徵的方法。
  7. 2 ) the ship - radiated noise is studied by means of hos that includes bi - spectrum and tri - spectrum on the basis of analyzing the properties of the noise. then some features are extracted from bi - spectrum and tri - spectrum

    在對艦船輻射噪聲深入分析的基礎上，利用雙譜、三譜對艦船輻射噪聲進行了研究，指出了應用高階統計量的雙譜、三譜分析艦船噪聲的優越性。
  8. 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。
  9. It can be learned by analyzing the ship radiated noise signals using nonlinear methods that the ship radiated noise signals are n ' t rigid fractal signals, but there are positive maximum lyapunov exponents, this indicates that the ship radiated noise signals are nonlinear

    通過對艦船輻射噪聲進行混沌特徵分析，結果表明，艦船噪聲不具有嚴格分形性，但具有正的最大lyapunov指數存在，這說明艦船噪聲信號中有非線性成分存在。
  10. The ship radiated noise is analyzed and its 4 features are extracted from the envelop spectrum. the envelope of ship noise waveform can be demodulated utilizing hilbert transform, and the spectrum components with line rotation frequency of propeller shaft are extracted effectively by bispectrum, 1 ( 1 / 2 ) spectrum and 2 ( 1 / 2 ) spectrum analysis

    對于通過希爾伯特變換解出的艦船輻射噪聲包絡信號進行高階統計量分析，有效地提取出了艦船噪聲的雙譜、 11 / 2維譜、 21 / 2維譜等方面的特徵。
  11. The underwater - radio buoy for use as obtaining the ocean ' s acoustical parameters, applied for synthetic experimentations that seeing about ocean underwater acoustic environment, can obtain and memorize the data for all kind of underwater acoustic experimentations, for example, acoustic propagation, reverberation, ocean ' s noise etc. the system can not only reduce requires in quantity of using ships and scales in military strength equipment but also keep away from ships environments, reduce background noise and increase the quality of the gathered data

    海洋環境參數獲取浮標監測系統用於海洋水聲環境綜合考察試驗中，獲取和記錄水聲傳播試驗數據。該系統不但可以減小參試艦船數量要求，降低兵力配備規模，而且可以遠離艦船環境，降低背景噪聲，提高所採集數據的質量。因此，浮標的研製對于保證未來海試完成既定試驗目標、順利完成試驗項目具有重要意義。
  12. The flow - noise in seawater pipeline has more influence on working environment and warship personnel health, and radiation noise from the pipeline exits also seriously effects on the hiding ability of warships

    海水管路系統的流噪聲對工作環境及艦船人員身體健康有較大的影響，並且通過管口向艇外輻射噪聲，嚴重地影響艦船的隱蔽性。
  13. In order to control sound radiation from a baffle in sonar equipment excited by vibration and noise from a ship, the baffle was modeled as a simply supported rectangular thin plate and its radiation characteristics were analytically investigated

    摘要為抑制聲吶設備中障板受艦船振動、噪聲激勵而產生的聲輻射，將障板轉化成簡支薄板模型，分析其在諧波激勵下的聲輻射。
  14. The general research situation of underwater noise caused by ship structure is reviewed from aspects of calculation, experiment and control

    摘要從船舶水下結構噪聲的計算、實驗及其控制方面，回顧了艦船水下結構噪聲的研究概況。
  15. Feature extraction on frequency - domain of ships radiated - noise based on multiresolution analysis

    基於多解析度分析的艦船輻射噪聲頻域特徵提取
  16. Extraction and fusion of frequency - domain features from ship radiated - noise based on wavelet packet and - dimensional spectrum

    維譜的艦船輻射噪聲頻域特徵提取及融合
  17. The features are eventually calculated by the euclidean norms of the clusters. the combination of features extracted from wave structures, wavelet coefficients and frequency spectrum get better classification result than one kind of feature

    本文還提取了艦船輻射噪聲的波形特徵，包絡小波分解系數頻率特徵並與前述能量特徵相結合，取得了比單個類型特徵更好的分類效果。
  18. The main work and originality in this thesis can be summarized as following : 1. analysis of acoustic characteristics of ship ' s radiated noise both in time and frequency domain, especially its deviation from the ordinary statistical signal. studies on two modern signal processing methods - higher - order statistics ( hos ) and wavelet transform

    分析了艦船輻射噪聲的通過特性、調制特性、譜特性與線譜的特徵及應用，特別分析了輻射噪聲譜的「三非」特性；研究了基於高階譜分析和小波變換的艦船輻射噪聲特徵。
  19. 5. bring out a new way to determine whether a dynamic system is chaotic by using the model of the system. 6

    5分析了兒種系統混飩性判據的優缺點，提出基丁模型的系統混飩性判別方法； 6研究了艦船輻射噪聲的相空間重構。
  20. A novel signal processing method based on alternate feature optimization is introduced and analyzed in this thesis. and a new underwater target recognition system using the optimized feature and svm is presented here. the system utilizes the alternate feature extraction method to optimize the feature selection process

    提出了高階量1 （ 1 / 2 ）維譜和小波變換交互分析進行特徵提取的方法，比較好地反映了艦船輻射噪聲的非線性、非平穩和非高斯特性。
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