隨機噪音 的英文怎麼說

中文拼音 [suíjīzàoyīn]
隨機噪音 英文
random noise
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 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
  • 隨機 : random stochasticrandom
  • 噪音 : noise; undesired sound; strepitus
  1. Randomness in this case is modelled as a gaussian white noise process

    模式中之隨機性乃視為一高斯白噪音過程。
  2. Simulation experiments show that the pitch extracting results of the algorithm are superior to that of the conventional algorithms, overcoming the random errors and multiple or half frequency errors, especially robust at low snr

    模擬實驗表明，該演算法與傳統方法相比其基音檢測結果有明顯的改善，克服了隨機錯誤及倍頻、半頻錯誤，並且在低信噪比下魯棒性較好。
  3. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  4. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  5. A century ago, freud formulated his revolutionary theory that dreams were the disguised shadows of our unconscious desires and fears ; by the late 1970s, neurologists had switched to thinking of them as just “ mental noise ” ? the random byproducts of the neural ? repair work that goes on during sleep

    一個世紀前，弗洛伊德完成了其革命性的理論，認為夢掩飾我們潛意識中的慾望和恐懼；到了20世紀70年代末期，神經病學家們轉而認為夢只是「精神噪音」 ，即夢是睡眠時神經修復工作的一種隨機副產品。
  6. A century ago ， freud formulated his revolutionary theory that dreams were the disguised shadows of our unconscious desires and fears ； by the late 1970s ， neurologists had switched to thinking of them as just “ mental noise ” ? the random byproducts of the neural ? repair work that goes on during sleep

    譯文一個世紀前，弗洛伊德完成了其革命性的理論，認為夢掩飾我們潛意識中的慾望和恐懼；到了20世紀70年代末期，神經病學家們轉而認為夢只是「精神噪音」 ，即夢是睡眠時神經修復工作的一種隨機副產品。
  7. 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。
  8. With the increasing demands of tung chung line train service, mtrcl is committed to provide noise barriers at tung chung along airport express line to mitigate the expected excedances of the noise limits under noise control ordinance due to increase in train frequency

    隨著東涌列車服務需求量不斷增長，地鐵公司決定在東涌沿機場快安裝隔音屏障，以保證在列車班次增加的情況下符合噪音管制條例的規定。
  9. As machines go the car is not terribly noisy. nor terribly polluting, nor terribly dangerous ; and on all those dimensions it has become better as the century has grown older

    機器運轉時，汽車噪音不大，污染不強，危害不深;何況隨著時代的前進，在所有這些衡量尺度上，它已有所改進
  10. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  11. Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  12. The traditional detection algorithm, based on zero - crossing or energy, will not acquire ideal effect when the signal - to - noise is low or the signal is weaker. therefore, to resolve the real problem in the real environment that all kinds of random noise and speech signal exit together, some new algorithm must be put forward. account for the complexity of real noise, we integrate the wavelet transform and high - order statistics and advance a new algorithm ; the algorithm can effectively separate the speech signal and the non - gauss noise

    基於過零率和能量的傳統檢測演算法，在噪聲環境比較復雜的情況下效果很不穩定，尤其是信噪比較低或者語音信號較弱時，檢測效果很不理想，因此，在多種語言和噪聲隨機出現、噪聲和語音強弱不一的實際噪聲環境下，必須利用新的演算法提取有用信號和噪聲信號的有效特徵，才能解決實際的問題。
  13. As an aid to productivity, lead developers funnel communications between the wider project team and external organizations, and shield developers from noise and random interference in their daily schedules

    作為效率輔助手段，開發人員主管集中更廣的團隊項目與外部組織之間的交流，並保護開發人員避免噪音和日常安排中的隨機干擾。
  14. Wavelet has good localizing quality at time domain and frequency domain simultaneously and the characteristic of multi - resolution ratio analysis, so it can fulfill all kinds of wave - filtering needs such as low - pass, high - pass, sink wave, random noise denoising. compare with readitional wave - filtering methods, wavelet has incomparable advantage. wavelet has become an effective means of signal analysis and is intituled as math microscope of signal analysis

    小波分析由於在時域頻域同時具有良好的局部化性質和多解析度分析的特點，因此不僅能滿足各種去噪要求如低通、高通、陷波、隨機噪音的去除等，而且與傳統的去噪方法相比較，有著無可比擬的優點，成為信號分析的一個強有力的工具，被譽為分析信號的數學顯微鏡。
  15. Owing to the high sensitivity to noise data, the application of normal rough set model in engineering is restricted, this thesis put forward the method of " data set divided equally and examine each other " to improve data utilization ratie

    摘要普通粗糙集模型對數據噪音的高度敏感限制了其在工程實際中的應用，本文在變精度模型近似約簡的基礎上提出了數據全集隨機平分互測法以提高數據的利用率。
  16. With the more and more air - transport in modern society, noise pollution problem caused by large airplanes has brought up much more attention. in the development of commercial airplane in china

    隨著航空運輸業的不斷的發展，飛機的噪音污染變成了一個日益嚴重的社會問題，越來越引起人們的關注。
  17. Pseudorandom noise prn

    偽隨機噪音
  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. Correlation of random noise

    隨機噪音相關
  20. Outliers, random noises, and some coherent noises ( e. g. multiples ) are the noises typically existing in prestack gathers

    摘要疊前道集中存在的野值、隨機噪音以及某些弱相干噪音（如多次波）是典型的疊前噪音。
分享友人
分享到 Line

分享到臉書