船舶噪聲 的英文怎麼說

中文拼音 [chuánbózàoshēng]
船舶噪聲 英文
ship noise
  • 船 : 名詞1. （水上的運輸工具, 船舶的通稱） boat; ship; vessels 2. （姓氏） a surname
  • 舶 : 名詞（航海大船） oceangoing ship; seagoing vessel of considerable size
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 船舶 : shipping; boats and ships; vessel; watercraft; water-dipper
  1. Above all, the system fuse the eradiate noise ' s different sides " feature and offer strong elements for the next process : classifying. it is very important to study the classifier in this dissertation

    其中線譜特徵反映了船舶輻射噪聲的頻域信息，能量特徵綜合了不同頻段內的信息，而分維特徵反映了信號的時域的信息。
  2. The process of feature extraction is to transform the eradiate noise signal to different feature space and extract the feature vectors that reflect the category of the input sample. the extracted features are the input modes to the classifier

    特徵提取的過程是把輸入的船舶輻射噪聲信號變換到不同的特徵空間，提取出反映樣本的類別特性的特徵向量，並把其作為分類器的輸入模式。
  3. Acoustics. noise measurements on watercrafts

    聲學.船舶噪音測量
  4. But this is not a problem for ship structure which is thin and good ductibility. the basic equation of statistical energy analysis is deduced in this paper, the shipboard noise of 295, ooodwt vlcc is calculated based on sea, the factor effect on the noise of shipboard is discussed and some measurement to reduce the noise level is suggested

    根據統計能量分析方法的基本原理，以實船為例進行了船舶機械設備等噪聲聲壓水平的估算和船舶艙室噪聲預示，並對影響船舶艙室噪聲水平的各種因素進行了分析，提出了減小船舶艙室噪聲水平的方法。
  5. The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project

    整個方法對船舶螺旋槳噪聲預報提供了工具，對螺旋槳的噪聲控制及低噪聲設計也有重要的工程價值。
  6. Study of low - frequency noise induced by marine propeller

    船舶螺旋槳低頻噪聲研究
  7. It is recognized that light noise levels can be a health problem, a safety factor, and that excessive noise can decrease the efficiency of the work force and have a general negative effect on the environment

    一個安靜的環境不僅有益於健康，而且能夠提高工作效率和增加安全系數。許多船東，特別是歐美國家的船東，在設計任務書中對船舶艙室噪聲水平提出了嚴格的要求。
  8. At last, it is the part of dealing with the data is gained in experimentation. we have made the experimentations in songhua lake. in the paper, i analyze and deal with the primal data of eradiate noise to get the ratio of recognition and make a conclusion that the feature extraction arithmetic and classifier arithmetic are efficient

    本文利用兩次松花湖湖泊試驗所采哈爾濱工程大學碩士學位論文集的船舶輻射噪聲數據進行分析處理，為了驗證模糊融合分類器的分類性能，依據具體情況做了兩個分類試驗，給出各自具體的識別率，並由此得出了相應的結論，即本文所選取的特徵提取和分類器演算法基本上是有效的。
  9. A b - p neural network classifier is designed to the classification of three types of ship by using the feature vectors. the average correct recognition rate of three types ship reaches to 80 %. the result show that the above techniques based on hos are valid

    將上述方法所提取的線譜和連續譜特徵作為特徵參量，採用b - p神經網路對三類船舶實際噪聲樣本進行識別分類，平均正確識別率達到80 。
  10. Prediction of noise induced by interaction between turbulent flow and propeller blades

    船舶螺旋槳葉片與艉部湍流場互作用噪聲的預報研究
  11. The noise of ship superstructure cabin has becoming a more and more important problem because of many negative factors caused by ship vibration and noise, such as the fatigue and breakage of ship structure, failure performance of the instrument and device and the uncomfortable feeling, even the health weakening of passengers and crew

    船上噪聲不僅會導致某些結構聲振疲勞破壞，還會影響艙內各種儀器、設備作用的正常發揮，對居住在艙室的人來說輕則影響到其居住環境的舒適性，重則對人體健康有危害。因此，船舶上層建築的艙室噪聲問題已日益引起船舶設計工作者的關注。
  12. 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。
  13. Regulation on noise levels on board sea - going ships

    海洋船舶噪聲級規定
  14. Regulation on noise levels on board inland ships

    內河船舶噪聲級規定
  15. Shipboard noise control is attracting increasing attention from the shipping industry

    在現代造船中，船舶噪聲控制倍加受關注。
  16. The research work are summarized as follows : ( 1 ) the prevalent prediction method in noise level of ship used nowadays is discussed, in order to put forward the advantage of the grey prediction method and the acoustics analysis in fem method

    本文採用灰色系統理論中的灰色預測方法和有限元聲場計算方法對船舶上層建築艙室的噪聲進行預測。主要工作如下： （ 1 ）對國內外關于船舶噪聲預報方法進行歸納總結，從而提出灰色預測方法和有限元聲場分析法的優越性。
  17. The prediction of the noise level in the cabin and work space at design stage is aiming to make effective measurement to control the noise level in advance to meet the regulations and ship owner ' s needs, which can avoid incidental expanses in the remediation and modification, so as to shorten the period and cut the construction cost of ship. in order to predict the noise levels in the ship superstructure cabin, the two methods are discussed in this paper, such as the grey prediction method and the acoustics analysis in fem method

    如果能在船舶設計開發的初期就能對其艙室、工作空間的噪聲值進行預測，對不滿足相關規范或船東要求的部位提前採取有力的措施，不僅能有效的達到減少艙室噪聲的目的，還能避免在船舶建造完成後因採取補救和改動措施而造成的巨額開銷，從而縮短了造船周期，降低了造船成本。
  18. Article 31 " traffic noise ", as used in this law means the sound that is emitted by such means of transport as motor vehicles, locomotives, motor vessels and aircraft in motion and that impairs the living environment of the neighbourhood

    第三十一條本法所稱交通運輸噪聲，是指機動車輛、鐵路機車、機動船舶、航空器等交通運輸工具在運行時所產生的干擾周圍生活環境的聲音。
  19. Measurement of noise emitted by vessels on inland water ways and harbours

    內河航道及港口內船舶輻射噪聲的測量
  20. This paper is a part of scientific research item " coupling of sound and cement bond logging of shipping hermetic cabin and the influence of multi - variable environment simulative hermetic cabin to body ". it mainly studied the measurement and control system of the simulative hermetic cabin to realize the adjustment of temperature, humidity, stress, oxygen, carbon dioxide, vibration and noise etc. and the parts of system design to the hermetic cabin and corresponding have carried on the technology explanation

    本論文是「船舶密封艙內的聲固耦合和多變量環境對生理功能的影響」科研項目的子課題，主要對模擬密封艙的測控系統進行研究，以實現密封艙對溫度、濕度、壓力、氧氣濃度、 co _ 2濃度、振動和噪聲等變量的調節。
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