噪聲障 的英文怎麼說

中文拼音 [zàoshēngzhàng]
噪聲障 英文
noise barrier
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 障 : Ⅰ動詞（阻隔; 遮擋） block; hinder; obstruct Ⅱ名詞（遮擋物） barrier; block; obstacle
  1. Based on the theories described above, calculation formula of general dimension of least square measure and multi - fractal fault diagnosis and analysis system have been established with borland c + + builder 5. 0, and checked by pure sinusoidal and cosine signal and sinusoidal signal with noise, and verified by the examples

    基於上述原理，建立了最小二乘法的廣義維數計算公式，用borlandc + + builder5 . 0編制了以廣義維數計算分析為基礎的多重分形故障診斷系統，並對標準的正弦信號、餘弦信號及帶有噪聲的正弦信號進行了驗證。
  2. Abstract : based on the measures protecting the two primary schools along shenzhen - shantou expressway from noisethe paper presents some proposed programs and structure designs of noise barrier ; analyzes and discusses the monitoring of acoustics effect and the cost of work ， and finally gives some proposals

    文摘:針對深汕高速公路沿線兩所小學噪聲敏感點的防護措施，介紹了聲屏障的方案及結構設計，和對聲學效果檢測和工程造價進行分析探討，並提出若干建議。
  3. In the paper the application of wavelet transform is discussed in mechanical noise fault diagnosis

    摘要本文討論了小波分析理論在機械噪聲故障診斷中的應用。
  4. For traditional simulation methods, which simulate the output of temperature sensor, measurement lag, fault and the environment noise of temperature sensors can ’ t be considered

    採用電子模擬傳感器輸出信號的方法不能將溫度傳感器的測量滯后、故障以及使用現場的噪聲等情況反映出來。
  5. 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。
  6. One obstacle that quantum computation, quantum communication and quantum key distribute must combat is noise

    通道噪聲是量子計算、量子通信和量子密鑰分配都必須克服的一大障礙。
  7. This article had the soundproofing harrier to in neijiang - kunming line weining section the land sector noise to carry on actual and carries on the analysis comparison to along the route other road sections noises in, obtained the neijiang - kunming line weining section railroad noise to the grass sea nature protection area wild animal ' s influence conclusion

    對內昆線威寧段有隔聲屏障的地段的噪聲進行實測並對沿線其餘路段的噪聲進行分析比較，得出內昆線威寧段鐵路噪聲對草海自然保護區野生動物的影響結論。
  8. On the basis of extensive reading and research of theory of the wavelet, it is presented a practical method based on odd theory of wavelet analysis to remove the white noises from transient fault current traveling waves of high voltage transmission line via multi - size analysis of wavelet

    本文在廣泛閱讀和深入研究小波理論的基礎上，論文提出了一種基於小波分析的奇異性理論對通過小波多尺度變換的高壓輸電線路故障電流暫態行波信號進行白噪聲濾除的實用方法。
  9. Through researching these characteristics of real - time data received deeply, some good measures are put forward and accepted to improve the fault - tolerance performance of the fault diagnosis system in the thesis, such as advance disposing of real - time switch information and instauration of dummy switch etc. based on the data information received, three starting arithmetic is developed in the thesis

    本文在深入研究決策系統接收到的實時數據信息特點后，針對不同的情形進行不同的處理，它們是：對故障前後信息及故障時跳閘開關信息的確定、實時開關變位信息的預處理、虛擬開關的設立等。從投入現場運行以來，這些處理方法取得了良好的預期效果，提高了故障診斷系統的容錯性和抗噪聲能力。
  10. Moreover, its interior pll circuit substitutes traditional pll. as a result, the presented design not only overcomes some shortcoming of traditional circuit such as tracking speed and accuracy, but also gets rid of response lag time and multi - phase noise. the system design is also important to improve our country ' s fault diagnosis standard

    而該系統內部鎖相電路代替了傳統方法中的pll ，因此，提出此系統設計不僅能夠克服基於傳統鎖相環電路的等轉角采樣方法跟蹤精度低、速度慢和使用不便等特點，還能克服電路中的由於不可避免的響應延遲時間所導致的不適合快速的列車運行及過多的相位噪聲問題，對于推動我國鐵路故障在線診斷技術的應用普及具有重要意義。
  11. It is, of course, important to choose the resistor so that it neither degrades the noise performance of the system nor allows too much current to pass under fault conditions

    因此，限流電阻的選擇十分重要，既要限制故障電流，又不能引入太大的噪聲。
  12. Rolling bearing ’ s vibration signal has a strong background yawp, the different fault cause the different characteristic of vibration. particularly the scathing fault, will not only cause the low frequency impact vibration, but also rise the high frequency inherence attenuation vibration of the bearing

    滾動軸承振動信號具有背景噪聲強、不同故障引起不同特徵振動的特點。尤其是損傷類故障，不但會引起低頻沖擊振動，還會激起軸承系統的高頻固有衰減振動。
  13. And national standard of home appliance washing machine ordain that the cleaning the containing water rate the using electricity the using water the noise and no malfunction using should be gotten up the national standard so the consumer does not fall in the trap and does not confuse the decision

    魯建國說，家用電動洗衣機國家標準規定要求洗凈比含水率用電量用水量噪聲和無故障運行6項指標都要達到國家標準，可以看出，洗凈度是衡量洗衣機質量好壞的非常重要的因素。
  14. As for the case study in shenzhen, the functions of purifying environment and restraining noises are in great need of protection in urban landscape management and ecological construction

    而減弱噪聲與凈化空氣是深圳市下一階段景觀管理與生態建設中需要重點保障的生態系統服務功能。
  15. The integrated kalman filter method is applied to vehicle navigation system in order to revise the error of ins, study a method of refraining filter divergence in order to improve filter accuracy. the federated filter is applied to the system in order to realize the failure detection and isolation and the question of information distribution. the adaptive filter is applied to the system in order to solve the question of inaccuracy or unknown noise statistics and to make navigation accuracy increase

    在gps / ins車輛組合導航中，應用集中式卡爾曼濾波演算法校正ins的誤差，研究了抑制濾波發散的方法，提高了濾波精度；應用聯邦濾波實現了gps / ins的信息融合與信息分配，解決了當gps發生故障時的故障檢測與隔離問題；應用自適應濾波解決了實際中噪聲統計特性不準確或未知的問題，提高了導航精度。
  16. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況，利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分（第五，六，七章）著重分析了現有基於故障電流的暫態保護原理和判據存在的問題，提出了新的實現方案，並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。
  17. Pattern recognition and fault diagnosis based on the rough sets theory and neural networks is studied in this dissertation. rough set theory in the noise environment and in the real region is generalized, and as the sametime, the methods of combine rough set theory with neural networks are proposed. the main contents of the dissertation are organized as follow : at first, a relation of nearness instead of indiscernibility is proposed for increasing the robustness of decision system which consists of noise pollution data

    論文運用粗糙集理論與神經網路方法進行了模式識別和故障診斷方面的研究，對在噪聲下和實數領域的粗糙集模型進行了擴展，研究了粗糙集與神經網路的多種集成應用方法，全文的主要內容如下:首先，論文針對經典粗糙集理論中的不可分辨關系對連續屬性值中噪聲數據缺乏容錯性的情況，提出一種相近關系代替不可分辨關系，並用不同的值調節相近關系中可接受的相近程度，限制了可冗餘的范圍。
  18. In the first chapter, the developmental actuality and its trends in the field of fault monitoring and diagnosis on mechanicals are expressed. principles and actuality inside and outside country of noises diagnosis on mechanicals are analyzed. some problems of this method are issued

    論文的主要內容如下：第一章論述了機械故障監測與診斷領域的發展現狀及趨勢，分析了機械噪聲診斷技術的原理及其國內外研究現狀、存在的問題和發展趨勢；針對機械噪聲診斷技術存在的問題，在分析國內、外對信號盲處理的研究及應用現狀的基礎上，初步引入信號盲分離概念及模型。
  19. In addition, in state monitor and fault diagnosis area, signal analysis of vibration and noise has already been in a critical position

    另外，在狀態監測和故障診斷領域中，振動與噪聲的信號分析也已處于不可替代的關鍵地位。
  20. Methods for determination of insertion loss of outdoor noise barriers

    室外噪聲障介入損失的測定方法
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