正聲學 的英文怎麼說
中文拼音 [zhēngshēngxué]
正聲學
英文
orthophony-
Psittacula agapornis ), oscine passenon ( emberiza rutila ) and the vocalizations of sub - oscine passerine ( melopsittacus undulates, psittacula agapornis ) after sectioning nxiits were recorded by sharp gf - 6060 recorder. cooledit2000, an acoustic analyzing software, was used to produce the original wave and it ' s expanded time windows, sonograms, spectrums and power static histograms. to distinguish the acoustic differences of their natural vocal and to find the changes of sub - oscine passerine ' s song after sectioning nxiits, the above results is acoustically analyzed and compared, expecting to provide some advantage to further explaining the mechanism of vocal production
本實驗以非鳴禽(家鴿、家雞) ,亞鳴禽(虎皮鸚鵡、牡丹鸚鵡)以及鳴禽(栗? )為實驗材料,記錄其正常叫聲以及亞鳴禽斷nxiits后的叫聲,用cooledit2000聲音處理軟體制出原始信號及其展開圖,聲圖,頻率譜圖以及能量統計分布圖,並對所得結果進行聲學比較分析,以期得到鳴禽、亞鳴禽及非鳴禽叫聲在聲學特性上的差異,以及亞鳴禽在斷神經后叫聲的聲學變化,旨在為進一步解釋其發聲機制提供幫助。The experiments verify that with these new technologies, the amount of sinusoids can be greatly reduced and the tracking efficiency can be greatly improved
實驗證明,將這兩種方法與參數心理聲學模型相結合,可以有效地減少所需的正弦波數量,大大提高正弦波跟蹤的效率。In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
聲學.校正聽力設備的基準零級.純音和環繞耳機的基準等效閾聲壓級Acoustics - reference zero for the calibration of audiometric equipment - part 8 : reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
聲學.校正聽力設備的基準零級.第8部分:純音和環繞耳機的基準等效閾聲壓級Electroacoustics - simulators of human head and ear - ear simulator for the calibration of supra - aural earphones
電聲學.人頭和耳模擬器.超級聽力耳機校正用耳模擬器Electroacoustics - simulators of human head and ear - part 1 : ear simulator for the calibration of supra - aural earphones
電聲學.人的頭和耳的模擬器.第1部分:耳模擬器用超級聽力耳機的校正Electroacoustics - random - incidence and diffuse - field calibration of sound level meters
電聲學.聲級計的無規定射聲場及擴散聲場的校正Electroacoustics - random incidence and diffuse field calibration of sound level meters
電聲學.聲級測量儀的隨機入射和散射區域的校正Electroacoustics - random - incidence and diffuse - field calibration of sound level meters iec 61183 : 1994 ; german version en 61183 : 1994
電聲學.聲級計無規入射聲場及擴散聲場校正Acoustics - reference zero for the calibration of audiometric equipment - reference equivalent threshold sound pressure levels for pure tones and insert earphones
聲學.音響設備校正標準參考零點.純音和插入式耳機用參考等效門限聲壓級Acoustics. reference zero for the calibration of audiometric equipment. part 2 : reference equivalent threshold sound pressure levels for pure tones and insert earphones
聲學.純音聽力計設備校正的參考零點.插入式耳機和純音調用參考等效域值聲壓級It was the hour of study ; they were engaged in conning over their to - morrow s task, and the hum i had heard was the combined result of their whispered repetitions
那正是學習時間,他們正忙於默記第二天的功課,我所聽的的嗡嗡之聲,正是集體小聲讀書所發出來的。The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation, the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters
地震正演方法包含兩個關鍵步驟,一是利用彈性波動方程計算含縫洞介質的有效彈性參數,另一步驟是根據有效彈性參數構成的等效地質模型,用單程聲學波動方程進行波場延拓。How to reproduce virtual spatial sound with acute spatial perception to construct high quality virtual acoustic environment is an important research direction
如何產生具有正確空間方位感的虛擬聲音,以構建高質量的虛擬聲學環境是一個重要的研究課題。Electroacoustics - simulators of human head and ear - acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.用於測聽計的超級聽力耳機校正用聽力耦合器Electroacoustics - simulators of human head and ear - part 3 : acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.第3部分:用於聽力測定計的超聽力耳機校正用聲耦合器Electroacoustics - simulators of human head and ear - an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range
電聲學.人頭和耳模擬器.在超高頻范圍內測聲耳機校正用間歇聽力耦合器Electroacoustics - simulators of human head and ear - part 2 : an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range
電聲學.人頭和耳模擬器.第2部分:在擴展高頻范圍內測聽力耳機校正用間歇聽力偶合器An error - tolerant algorithm in decoding module of mandarin continuous speech recognition is examined to correct substitution, insertion and deletion errors in acoustic recognition
摘要本文研究了漢語連續語音識別音字轉換中的容錯演算法,以糾正聲學識別的替代、插入、刪除錯誤。分享友人