acoustic information 中文意思是什麼

acoustic information 解釋
聲音信息
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • information : n. 1. 通知，通報，報告。2. 報導，消息，情報。3. 資料，知識，學識。4. 【自動化】信息，數據。5. 【法律】起訴，告發。adj. -al
  1. Theoretical expatiate on general concepts and fundamental principles of information hiding and steganography, also point out possible directions for further research, also analysis the probability of speech as the host carry signal and efficient masking characteristics of psycho - acoustic model, it is shown that : there is an improvement on imperceptibility according to human auditory masking effect

    闡述了信息隱藏技術和隱寫技術的重要概念、基本理論以及廣闊的應用前景。分析了將語音信號作為宿主載體信號的可行性，參考心理聲學模型的特性，得出結論:基於人耳聽覺掩蔽效應的隱寫演算法，在隱蔽性上有很大的提高。
  2. The diversity of the acoustic response of a - i neurons and the correlation of their response patterns with the parameters of the pure tone, indicate the complexity of their encoding auditory information

    皮層a區神經元聲反應型式的多樣性以及聲反應與聲刺激參數的相關性，反映了a區神經元聽覺信息編碼的復雜性。
  3. However according to the view of acoustics, click includes mixed frequencies, so further studies are necessary to investigate the physiological significance of amygdaloid modulating effect on the ascending auditory information at the cortical level. in this paper we firstly observe the characteristics of the acoustic response of neurons in a - i evoked by pure tone ; then investigate the influence of la stimulation on the acoustic response of these neurons and the physiological significance of such influence ; revea l the neural pathway mediating this effect with the neurohistological method ; and study the neurotransmitter and its receptor participating in this effect

    本文採用電生理學方法考察大鼠皮層a區神經元純音反應特徵，觀察杏仁外側核（ la ）對a區神經元聲反應的影響，運用神經組織學方法揭示介導這一影響的神經環路，採用多管微電極記錄結合微電泳技術的方法研究參與這種影響的神經遞質及受體，進一步探討了這種調制性影響的生理學意義。
  4. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  5. The design of control and communication software : the software realized the communication of the five bouys with the control vessel and the acoustic emission vessel ; it controls the data acquisition system, it restricts the five bouys in the remote instructions from the control vessel and the acoustic emission vessel, and it also transmits the position and time information from dgps, the bearing information of the underwater acoustic construction from a electronic compass of type of tcm2 when in collection period of time

    控制和通信軟體設計：各浮標工作在指揮船和發射船遙控指令內容的約束下，控制和通信軟體實現了浮標與指揮船以及發射船的通信，控制數據採集系統工作，並在採集時段完成gps位置、時間與矢量水聽器方位信息的傳輸。
  6. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  7. The underwater acoustic signal is the main information for the underwater detection and identification system, so it is very important to get the acoustic signal efficiently

    摘要水下聲信號是水下探測系統實現對水中目標遠程探測識別的主要信息之一，有效獲取水下聲信號是一個十分重要的問題。
  8. Compared with traditional transducer, the vector detection technique can get the acoustic vector signal ' s spatial direction information

    相對于傳統的聲壓水聽器矢量水聽器檢測技術能檢測到的包含空間方位信息的聲矢量信號。
  9. These knowledge sources provide information at four levels : phonetic level, lexicon level, language level, and acoustic decoder level

    知識可在語音詞典語言和解碼四個級別上加以提取和應用。
  10. At today s information age, this co. has set up a closed relationship with most famous universities in china, such as zhejiang university, shanghai jiao tong university, beijing university and 214 institute of electronic industry department etc., daming co., has developed multiple patent products, extensively used for automobile air - conditioning, electric appliance and acoustic systems

    信息化時代的今天，我們與國內各大名校，如浙江大學上海交大北京大學電子工業部214所等單位親密合作，研製開發了多種專利產品，廣泛應用於汽車空調系統汽車電器系統汽車音響系統。
  11. Part iii compares and contrasts the various approaches to speech recognition, and describes advanced techniques used for acoustic - phonetic modelling, robust speech recognition, speaker adaptation, processing paralinguistic information, speech understanding, and multimodal processing

    第三部分對比了語音識別中的各種方法，並介紹在聲音-語音模型，高穩度語音識別，輸出調適，多語種信息對比處理，語音理解和多模式處理等領域中所應用的高級技術。
  12. The acoustic neuroma association provides information and support to patients who have been diagnosed with or experienced an acoustic neuroma or other benign problem affecting the cranial nerves

    聽覺神經瘤協會為曾被診斷出或正弭患聽覺神經瘤的患者以及其他良性疾患而後影響到腦神經的患者提供信息和幫助。
  13. As result, a new method is presented by using the acoustic emission ( ae ) signal from stem of individual plant as its demand information. based on virtual instruments technique, which is becoming a popular tool in measurement and automation fields international, a computer - based detecting system is developed for the fast, real - time measurement. take tomato crops for testing example in greenhouse, the relation between ae and transpiration, environmental factors has been studied

    因此，從植物本身出發，本文在國內首次採用了以植株莖部聲發射信號作為農作物需水信息的新方法，運用目前在測控領域國際流行的虛擬儀器技術，建立了對作物植株莖部聲發射信息進行實時、快速測量的微機檢測系統，並以溫室盆栽番茄為對象，研究了聲發射信息同植物蒸騰以及環境因子間的關系。
  14. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響；從聲納方程出發，確定了系統的最佳工作頻段；在聲傳播損失計算的基礎上，給出了聲源級的預報；基於時變通道理論，描述了遠程水聲通道的衰落特性。
  15. During the acoustic logging data process, the information of time - frequency of related spectral component can not be provided generally by means of fourier transformation ( ft )

    摘要在聲波測井資料處理的過程中，傅里葉變換通常不能提供有關譜分量的時間局域化的信息。
  16. Long - range underwater acoustic information transmission through mfsk modulation

    基於多進制頻移鍵控調制的水聲遠程信息傳輸技術研究
  17. Then the important reference are provided for the optimal system design and technical parameters selecting of long - range underwater acoustic information transmission system. 2. the underwater acoustic channel model based on ray theory is studied, and in combination with the system function of coherent multi - path channel, the method for underwater acoustic channel response prediction through eigenrays finding is obtained

    研究了基於聲線理論的水聲通道聲場模型，分析並模擬了在多種不同聲速條件下的聲線傳播以及不同海底狀況下的聲傳播；結合相干多途通道的系統函數，通過求取本徵聲線進行了水聲通道響應的預測。
  18. A good analogy is the way the brain processes acoustic information from the ears

    有種很好的類比，就是大腦處理聽覺訊息的方式。
  19. According to position principle, it is necessary to get buoys " location besides targets " acoustic information

    根據定位原理，除了測量目標的聲學信息外，必須得到浮標的位置信息。
  20. The efficient and reliable information transmission between transmitter and the mine greatly relies upon the development of long - range underwater acoustic information transmission techniques, so the analysis of the characteristics of underwater acoustic is absolutely necessary

    信息在發射機和水雷之間的可靠傳輸，離不開水聲遠程信息傳輸技術的發展，因此，遠程水聲通道特性的分析尤為重要。
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