噪音值 的英文怎麼說

中文拼音 [zàoyīnzhí]
噪音值 英文
level of noise
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 噪音 : noise; undesired sound; strepitus
  1. Form that measurement environment noise, if the building return the not yet finished work, then seek the warm air, airiness and air condition hvac engineer, want them with the appearance to expect the environment noise worth

    測定環境噪音，如果建築還未完工，則找暖氣，通風與空調hvac工程師，要他們以畫面的形式預期環境噪音的值。
  2. In order to reduce the musical residual noise and the background noise, a speech enhancement method based on masking properties of the human auditory system is described. this method uses bark wavelet packet transform to simulate the frequency feature of human auditory model to get the threshold

    本文以最大限度減少殘留噪聲和背景噪聲為目的，採用bark子波分析的方法模擬人耳基底膜的頻率分析特性來進行語音增強，重點進行模擬人耳聽覺掩蔽效應來確定除噪閾值的研究。
  3. The nco limits are measured via the 30 - minute equivalent level in unit of a - weighted decibels ( db ( a ) ), which is a commonly used international standard

    該條例所訂的聲量上限是以每三十分鐘時段內的平均噪音能量水平量度，以a加權分貝值為單位（分貝（ a ） ） ，該準則為國際普遍採用的標準。
  4. 1. since this type of reactor has a dry - type air - cored structure, which will prevent leakage and burning so as to maintenance easily and operate reliably. no - core structure without ferromagnetic induction effect so that it is provided with the feature of good linearity and low noise

    1 .電抗器採用乾式空心結構，避免油浸式電抗器發生漏油易燃等缺點，維護簡單，運行安全，無鐵心，不存在鐵磁飽和，電感值不會隨電流變化而變化，線性度好，噪音低。
  5. However, even under this regulated value, you may be requested to further reduce the sound volume to proper level, to produce environments easy for visitors to listen to the explanation, in case there is any complaint from other exhibitors, etc. in the vicinity or in case the noise level in the entire fair site became high

    但是，即使在此音量規定值以下，如果附近參展方等提出意見或者會場整體的噪音程度過高的話，則不受此限制，為了創造一個入場者容易聽清講解的環境，盡管在規定范圍內也請降低並控制在適當的音量范圍。
  6. Heat mirror ? can eliminating disadvantage of ordinary insulating glass ' s resonance, according to a test, ordinary insulating glass can insulate about 29db noises, but heat mirror ? can insulate about 34. 5 db noises, with more than 5 db improvement of sound proving capability over ordinary insulating glass

    消除一般中空玻璃共振共鳴的缺點，至少增加五分貝值的隔音性能，據測試，普通中空玻璃可隔絕29分貝左右的噪音，而熱鏡玻璃可隔絕34 . 5分貝左右的噪音值。
  7. This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information

    提出了一種基於人類聽覺系統（ has ）模型的音頻數字水印演算法，該演算法首先對信號進行分段離散快速傅立葉變換（ fft ） ，再根據人類聽覺系統模型計算出各段的類純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。
  8. 2. after the electromagnetic coil has been vacuum and sealed in, then coverd the insulation shield, in order to increase heat conduction capacity and machinery strenth, conteol temperature rise and buzzer noise, and resist dampness and 8kv crest voltage thunder strucked

    2電磁線圈真空浸漆封閉后再套絕緣護套，即了熱傳導能和和機械強度，抑制了溫升和蜂鳴噪音，抗潮防濕，可抗擊8kv峰值的雷擊電壓。
  9. It process documents not only based on latent semantic analysis, but also based on text multilevel dependency structure. the method first analysis the latent semantic structure of texts, make single value decomposition on text - matrix, reconstruct the semantic matrix ; then a method based on text multilevel dependency structure is adopted, deeply analysis the content of the semantic matrix, abstract the important sentences to generate abstraction and make up the shortage of latent semantic analysis on structure and syntax

    首先通過對文本進行潛在語義分析，對文本矩陣進行相應的奇異值分解，重構語義矩陣;然後採用基於篇章多級依存結構的文摘分析方法，對重構的語義矩陣表示的文本內容進行深入的分析，抽取重要的句子生成文摘，這樣就彌補了潛在語義分析在詞法和句法分析上的不足;同時過濾和去除了語義噪音，縮小了問題的規模。
  10. 3 wheel rail rolling noise, which under 1000hz is caused by the rail s arched flange and above 1000 hz by wheel axle resonance, comprises the major part of the measured spectrum

    （ 3 ）輪軌振滾噪音為噪音頻譜之最大值，其中1000hz以下為軌道下凸緣之拱形共振所引起， 1000hz以上為輪面之軸向共振所引起。
  11. Signal can not be created but be enhanced by attenuating many kinds of noise from field by processing, so, is ridiculous to say, " do n ' t worry, we can get anything we want by processing "

    值得說明的是，迭代法噪音衰減、迭代法振幅補償和串聯反褶積這三個處理過程不是彼此孤立的，而是相互聯系的，這三個處理過程也是有機的組合，起到互補效果。
  12. Acoustics - declaration and verification of noise emission values of machinery and equipment iso 4871 : 1996 ; german version en iso 4871 : 1996

    聲學.機器和設備噪音值的公告和驗證
  13. The authors collected the spectral data of wheat in different occasion, got rid of the noises which happened in the course of measuration by ways of averaging near spectral data and ways of setting limiting figure to amplitude, then the most important characteristic points were gained

    然後根據實測的3個不同時期小麥的反射率曲線，在進行了均值去噪處理之後，設定振幅閥值，排除了殘余噪音干擾，從而提取了曲線最重要的特徵點。
  14. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術，對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理，獲得計算機可以處理的數字圖像；並利用visualc + + 6 . 0開發定量金相分析系統，以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量；採用基於browser server的三層體系結構，通過網路訪問，並利用activeserver技術給遠程用戶提供應用服務，以便於根據圖像分析結果，給出專家分析意見，實現異地分析及交流。
  15. The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction

    本文的主要研究內容： （ 1 ）定量金相分析和顯微硬度測量的方法研究； （ 2 ）利用數字圖像處理技術，實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理；引入小波理論、基於數學形態學的區域生長法對采樣圖像進行分析，實現了對採集圖像邊緣的有效提取，從而提高了測量精度； （ 3 ）開發了金相圖像分析系統的主體結構（硬體結構和軟體結構） ； （ 4 ）採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計； （ 5 ）提出了採用多模式的知識表示方法建立知識庫，應用正反推理、模糊數學模型、基於規則的模式匹配模型建立金相分析專家系統。
  16. Sn signal noise

    信號噪音比值
  17. At first, this paper reviews the traditional currency crisis theories and the research on the early warning system ; thereby try to search for the crisis root and some important early warning indicator, and then basing on those and the kaminsky ' s early warning system of the currency crisis, i analyze statistically the thailand monthly data from 1992 to 2000, seek the threshold of every early warning indicator, the adjusted noise - signal ratio and the early warning synthesis indicator, forecast the possibility of thailand happening the crisis in the coming 12 month with the month data in 2001, and finally conclude that thailand would not happen the crisis in the coming 12 month

    首先本文對傳統貨幣危機理論和近期對貨幣危機預警的研究進行了回顧，從而試圖尋找危機的根源和一些重要的預警指標，在此基礎上，運用kaminsky的貨幣危機早期預警方法? ?信號分析法，對泰國1992 - 2000年年間的月度數據進行了統計分析，求出每個預警指標的閾值、調整后的噪音信號比以及危機預警的綜合指標，進而採用泰國2001年的月度數據對泰國未來12個月進行危機預測，最後得出泰國在未來12個月內不會發生危機。
  18. This paper presented a new approach for stacking velocity analysis, and discussed the principles, procedure, applicability, and applications of suppression of prestack random noises and outliers based on the new stacking velocity analysis method

    提出了一種新的疊加速度分析方法，並詳細描述了基於這種新的疊加速度分析進行疊前隨機噪音衰減和野值壓制的原理、實現步驟、應用條件以及應用效果。
  19. In order to understand the nature of the ecologist ' s investigation ， we may think of the density - dependent effects on growth parameters as the “ signal ” ecologists are trying to isolate andinterpret ， one that tends to make the population increase from relatively low values or decrease from relatively high ones ， while the density - independent effects act to produce “ noise ” in the population dynamics

    為了能理解生態學家們所從事的研究的性質，我們可以把那些作用於增長參數的密度依賴效應視作生態學家們力圖將其分離並予以解釋的「信號」 ，正是這一信號傾向于使種群從相對較低的數值遞增，或從相對較高的數值遞減；而與此同時，那些密度獨立效應起到的作用則構成了種群動態變化中的「噪音」 。
  20. The first component follows a random walk and captures the permanent, slowly changing fundamentally unwarranted optimism of noise trader about the future development of dividends independent of the recent development of fundamentals

    第一部分具體是指噪音投資者對股息未來的變化（與內在價值的近期變化相獨立）無任何實質依據的牛市情緒。牛市情緒的變化是緩慢而持久地，並且服從隨機遊走。
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