音響噪聲 的英文怎麼說

中文拼音 [yīnxiǎngzàoshēng]
音響噪聲 英文
acoustic noise
  • 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 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 音響 : sound; acoustics; audio; [德國] klang; phon-; phono-; -phone
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble

    系統採用電臺的電視伴音調頻信號，其中電臺信號與伴音信號功率之比基本為10 ： 1 ，並且目標散射信號較弱，一般情況下淹沒在雜波和機器熱噪聲之下，採用常規的脈沖檢測方法很難對遠距離的目標進行檢測，而以電臺直達信號作為參考與目標回波信號進行相關檢測；系統中信號的相關處理會產生旁瓣，而強目標的旁瓣會影響附近的弱目標檢測。
  3. The noise constantly is not affecting our normal life, for example ; just repaired the family, to the quiet at dead of night building about the water pipe noise, has caused you to be unable normally to rest, the senior citizen, the neurasthenia, the heart was not specially good and so on the community, was is unable to rest, the saint porch company produced " the down - flow pipe sound insulation wrap " the product, fundamentally has solved this problem, this product has used the advanced sound insulation, the sound absorption, the material, passed through the specialized technical many years research development, and experimented after the beijing ten plots different levels owner, the sound - insulated effect achieved above 90 %, satisfaction rate reached above 99 %, did not have an example suit, received the owners universal welcome

    噪音無時無刻不在影響著我們正常的生活，例如；一個剛剛裝修完的家庭，到了夜深人靜樓上下水管的噪聲，使你無法正常休息，特別是老年人，神經衰弱，心臟不好等群體，更是無法休息，聖軒公司生產的「下水管隔聲套」產品，從根本上解決了這個問題，此產品採用了先進的隔音，吸音，材料，經過專業技術多年的研究開發，並經過北京十個小區不同層次業主試驗，隔音效果達到90 %以上，滿意率達99 %以上，無一例投訴，受到業主們普遍歡迎。
  4. The fixed quantity guideline of the timbre is given by testing the empty yard reverberation time and calculating the full yard reverberation time of the odeum in the xiaogan college

    本文通過對孝感學院音樂演播廳混響時間、聲壓級分佈及背景噪聲等客觀質量的測試，給出了定量的音質評價。
  5. It reduces the “ music noise ” using the human auditory characteristics, and enhances the hearing quality using the speech spectrum distribution characteristics in the time - frequency dimension

    主要以譜減法為基礎，結合人耳的聽覺特性從而減少殘留「音樂噪聲」的影響;結合語音的語譜在時-頻域分佈特性從而提高增強后語音的聽覺質量。
  6. Noise level measurement in sound systems

    音響系統中的噪聲級測量
  7. In order to study the effect of weak noise on the sound signal extraction of mouse ( mus musculus km ) inferior collicular ( ic ) neurons from environment, we examined the change in frequency tuning of neuron induced by a weak noise relative to 5 db below minimum threshold ( remt - 5 db ) of tone. 12 healthy adult mice ( 20 - 25 g, b. wt. )

    本實驗旨在探討弱噪聲對小鼠（ musmusculuskm ）中腦下丘（ inferiorcolliculusic ）神經元聲信號提取的影響及其神經機制，我們選用相當于純音閾下5db的白噪聲（ whitenoise ） ，比較加入噪聲前後神經元頻率調諧曲線的變化和注射-氨基丁酸（ - aminobutyricacid ， gaba ）能受體拮抗劑荷包牡丹堿（ bicuculline ， bic ）后對該變化的影響。
  8. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  9. For speech communication, noise and interference will make listener fatigued and affect intelligibility and articulation of speech. as a result, it is necessary to design corresponding device to reduce noise in wireless speech communication. this thesis focus on the basic theory of speech processing, the key technologies to reduce noise in speech and the design and implementation of corresponding noise reduce devices

    由於無線語音在傳輸過程中不可避免地會受到風、雨、雷、電的干擾;還有來自周圍環境的干擾及通信設備內部電噪聲等的干擾，使得原始的純凈語音成為被噪聲污染的帶噪語音，從而對無線語音通信的質量產生嚴重影響。
  10. Article 38 where loudspeakers are used to direct operations at transport terminals, railway marshal yards, ports, docks and airports, the sound volume shall be controlled so as to minimize the noise impact on the living environment of the neighbourhood

    第三十八條在車站、鐵路編組站、港口、碼頭、航空港等地指揮作業時使用廣播喇叭的，應當控制音量，減輕噪聲對周圍生活環境的影響。
  11. Acoustics - reference zero for the calibration of audiometric equipment - part 4 : reference levels for narrow - band masking noise iso 389 - 4 : 1994 ; german version en iso 389 - 4 : 1998

    聲學.音響設備校正零點參考基準.第4部分:窄帶遮敝噪
  12. However, background noise and room reverberations in enclosure greatly degrade the effectiveness of acoustic source localization

    但由於噪聲和混響的存在，使得現有語音定位演算法的定位精度較低。
  13. After the analysis of viterbi decoding, we conclude that the adverse effect of impulsive noise on recognition is that the impulsive noise introduces unreliable

    通過對viterbi譯碼過程的分析，得出沖激噪聲對語音識別的影響在於其引入了不可靠的概率差距。
  14. At the same time this paper calculates the effect of train velocity on noise propagation, when mach number is 0. 1, sound velocity less effects on noise level ; when mach number is 0. 4, the difference value is about 2db whether to consider the sound velocity. so when the train velocity is not very high, the effect of sound velocity may not be considered

    本文同時計算了列車運行速度對噪聲傳播的影響，當馬赫數為0 . 1時，聲音的傳播速度對聲級的影響是很小的，當馬赫數為0 . 4時，考慮聲速與不考慮聲速影響的最大值的差值大約為2db左右，因此在列車速度不是很高的情況下可以不考慮聲速的影響。
  15. Background noise can be a problem because european mobile phones always focus on the loudest sounds and throw away the quieter signals

    背景噪音可能是個問題，因為歐洲的行動電話總是接收最響的聲音，而丟掉比較小聲的信號。
  16. The information which we transmit to user is the result of sound recognition and a piece of sound, so the quality of gathered sound has the effective on the result of sound recognition. we introduce emphatically sound sensor node ’ s high - precision, low - noise, low electric consume and low - distortion

    在本文中我們傳送給用戶的是聲音數據的識別結果和目標物的一段聲音，所以聲音採集的質量對節點識別結果有一定的影響，在本文中我們重點研究了聲音傳感器節點的高精度、低噪聲、低失真率和低功耗設計。
  17. Dolphins, which use sonar for navigation, would be impacted by the loud noise associated with piling. potential disturbance of the seabed which may contain contaminated mud could impair the immune system of the dolphins, increasing their susceptibility to disease

    打樁工程所發出的噪音嚴重影響以聲納導航的海豚，而污染泥土亦可能破壞海豚的免疫系統，增加它們受感染的機會。
  18. A serial generalized morphological filter with multi - structural element is used suppression white gaussian noise or pulse noise embedded in the speech signal. the paper compares morphological speech enhancement algorithm with classical approach on the feature of speech in the frequency domain and time domain

    本文針對形態學在數字語音信號增強中的應用演算法研究，採用多結構元素的廣義形態濾波器，主要用於對被高斯白噪聲或正負脈沖噪聲污染的語音信號的濾波增強，深入研究形態學濾波的語音增強演算法在語音時域、頻域對語音特徵參數的影響。
  19. There are several widely used methods to acquire the frequency response graph, including single tone method, multiple tone method, noise impulse method and maximum length sequence signal impulse method

    分析音頻設備的頻率響應特性主要有單音信號檢測法、噪聲沖擊檢測法和最大長度序列檢測法等。
  20. In this case, time domain equalization algorithm based on channel estimation will influence equalization effect if choosing noise sensitive algorithm to estimate channel, so it is necessary to adopt an anti - noise and high estimation precision estimation algorithm. in this dissertation, a new time domain equalization algorithm based on low rank hankel approximati

    Dsl線路實際工作環境存在各種干擾，尤其當多用戶時，串音干擾很嚴重，對于採用基於通道估計的時域均衡演算法，如果使用對噪聲敏感的演算法進行通道估計，必然影響均衡效果，因此需要採用具有抗噪聲，估計精度高
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