reverberation time 中文意思是什麼

reverberation time 解釋
回響時間, 反響時間
  • reverberation : n. 1. 反響，回蕩；余韻；反射；反射熱，反射光。2. （反射爐的）返焰；返焰爐處理法。3. 【物理學】交混回響，混響，余響。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  2. 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。
  3. Introduction of reverberation time and its measuring method

    混響時間及測量方法簡介
  4. Code for measurement of reverberation time in hall

    廳堂混響時間測量規范
  5. It is pointed that the concept of the acoustical design for gymnasiums should be an entity of the architectural acoustics and the designs of sound reinforcement that the concept of traditional optimal reverberation time in gymnasiums, which is actually the optimal articulation obtained by reverberation time and sound reinforcement, doesn ' t exist, and that the reverberation time in existing code for acoustical on gymnasiums can be widen

    指出：體育館聲學設計的概念應該是建築聲學和擴聲系統設計的統一體；體育館不存在傳統最佳混響時間的概念，體育館「最佳混響」就是混響時間和擴聲系統結合達到的最佳清晰度概念；現行體育館建築聲學標準中混響時間可以放寬，其意義在於擴聲系統和聲學裝修的優化結合，從而節約國家相關建設投資。
  6. Sound system equipment. part 9 : artificial reverberation, time delay and frequency shift equipment

    音響系統設備.第9部分:人工混響延時和頻移設備
  7. Sound system equipment - methods for specifying and measuring the characteristics of artificial reverberation, time delay and frequency shift equipment

    音響系統設備.第9部分:模擬混響滯后和頻移設備特性的規定和測量方法
  8. This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method

    本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。
  9. Different models of objective parameters, such as reverberation time, definition, clarity index and centre time are given. sound parameters simulation is achieved

    推導了混響時間、清晰度、明晰度和中心時間等音質參數的計算模型，從而實現了小尺度封閉空間音質參數模擬。
  10. Acoustics - measurement of sound reverberation time in halls - specifications

    廳堂混響時間測量規范
  11. Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering

    海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術，作者通過對多波束測深系統海底回波信號統計特性的研究，依據地形測量理論，並結合實際系統信號處理的技術特點和處理時序，提出了實現海底跟蹤控制的關鍵參數及計算方法，建立了基於中值濾波技術的海底地形實時跟蹤數學模型，並開發出實時地形跟蹤專家系統，該系統經多次海上實驗驗證表明：理論正確、方案可行，取得良好效果。
  12. Firstly, this article puts forward three acoustic evaluative parameters that the good acoustics should guarantee : reverberation time, early reflected sound, sound coloration, after the analysis of the particularity of the acoustics space in living room on the basis of theoretical research

    論文首先在理論研究的基礎上，分析了起居室聲學空間的特殊性，提出保證良好的聲環境所需的音質評價參量：混響時間、早期反射聲、駐波和聲染色。
  13. The deviated evaluation caused by either the low signal - to - noise ratio or the careless choice of the integration limit is avoided, and a precisive reverberation time evaluation is achieved

    克服了脈沖響應積分法測量混響時間中，由於較低的脈沖響應信噪比或積分上限選擇的不當所產生的估值偏差。
  14. Average intensity is one of the physical parameters which are used to describe the oceanic reverberation and the researches about it had been carried out a long time before. but not thoroughly yet

    平均強度是描述海洋混響的一個重要物理量，很早就有人對其衰減規律進行研究，但至今還沒有得到完滿的結果。
  15. Design options include selecting and confirming the type and volume, the best reverberation time and frequency response characteristic, layouting the acoustic materials and designing appropriate reflectors to organize the reflection rationally

    設計內容包括體型和容積的選擇，最佳混響時間及其頻率特性的選擇和確定，吸聲材料的組合布置和設計適當的反射面，以合理地組織反射聲等。
  16. Reverberation time and indoor construction are the determining factors

    混響時間和房內結構等是對音質產生影響的重要因素。
  17. Acoustics - measurement of the reverberation time of rooms with reference to other acoustical parameters

    聲學.根據其它聲學參數測量廳堂混響時間
  18. Basing on the different using requirements, how to select an optimization reverberation time is one of the important contents in the timbre design

    摘要對于音樂演播廳用途的公共建築來說，音質效果的優劣是一項重要指標。
  19. It is widely adopted in a lot of applications, such as multimedia conference, intelligent robot, speech enhancement, etc. adaptive eigenvalue deposition algorithm aeda is one of the effective methods for its robustness performance of noise and reverberation. however, aeda is suffered from its slowness in tracking variation of time delay of arrival tdoa as well as its sensitivity to initial value

    針對傳統的自適應特徵值分解時延估計演算法收斂時間慢對初值敏感以及不能有效跟蹤時延變化等問題，提出了一種改進的自適應特徵值分解時延估計演算法，該方法通過改進初值設定方法，有效改善了對時延變化的估計。
  20. The bistatic average intensity firstly rises wt time to a top point, then it goes down, and the decaying rule is close to the monostatic reverberation intensity ap ) j { jgj : 8kq @ f9tt & z decaying rule, but reverbefation intensity will be closely related to the relative site of the transducers

    收發分置時的混響平均強度隨時間的變化先是增加，到一個極大值時再隨時間的變化而有規律地減小，其衰減規律與收發合置混響強度衰減規律一致，其強弱與接收水聽器所處位置有關。
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