音波法 的英文怎麼說
中文拼音 [yīnbōfǎ]
音波法
英文
acoustic method-
Emphatically, this paper discusses the pattern of signal and antenna radiation of the system, the design principles and technologies of audio - generator and monitor, and the modification of measurement deviation. through special tests and aviate experiments, it has been proved that the performance of the domesticalized system is better than of the initial system
文中重點分析了俄制分米波儀表著陸系統的信號格式和天線輻射場型,著重闡述了系統中音頻信號產生器和監測器的設計原理和實現技術,對信號檢測中的測量誤差進行了分析並設計了有效的修正方法。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。Furthermore, 100 members who performed exceptionally well are invited to join one of the overseas trips to boeing in seattle, u. s., airbus in toulouse, france, or and bae flying school in adelaide, australia. please visit the
此外,一百名優秀的會員獲安排於2004年8月參加一項海外旅程,分別前往美國西雅圖的波音公司及法國圖魯茲的空中巴士飛機製造廠或位於澳洲阿德萊德的飛行學院。Ultrasonics. hand - held probe doppler foetal heartbeat detectors. performance requirements and methods of measurement and reporting
超聲波學.手持探頭式多普勒胎兒心音檢測器.性能要求和測量及報告方法A novel speaker normalization method based on formant recovery and mellin transform
基於子波變換的自適應濾波語音增強方法The physical models for those sound synthesis methods can exactly describe musical instruments ' s fundamental and harmonious and inharmonious frequencyies, as well as their nautral sounding process. they can be played like real musical instruments, representing players ' s strength, velocity and pattern, as well as emotion. so, the methods are playing very important roles within the sound synthesis domain currently, with mpeg4 published and improvement of computer ' s computational efficiency
由於它可以精確地描述物體的發聲及其發聲過程,精確地再現樂器的基波、高次諧波、非諧波以及asdr過程,象真實樂器一樣可以表達演奏者的演奏力度、速度、風格和情感,隨著計算機處理速度的提高,尤其是mpeg4技術的公布,這種方法日趨活躍,成為目前樂器模擬、聲音合成的研究熱點。She has won several prestigious vocal competitions, including the dvork competition in karlovy vary and the ard competition in munich. she appears frequently in theatres of nice, lisbon, amsterdam, aix - en - provence, innsbruck, frankfurt, leipzig, bonn, mannheim and bayreuther festspiele
她經常在尼斯、里斯本、阿姆斯特丹、普羅旺斯、因斯布魯克、法蘭克福、萊比錫、波恩、曼海姆的劇院,以及拜羅伊特音樂節等獻藝。According to difference of speech waveform between transition segment and non - transition segment, dividing between sonant is researched using waveform cross correlation. a method of syllable segmentation is presented based on waveform cross - correlation. ( 2 ) pitch detection of speech signals
為解決濁音之間的分割問題,本文根據語音中過渡段與非過渡段語音波形的差異,利用波形互相關性進行了研究,提出了基於波形互相關性的音節分割方法,並進行了實例分析。Humans can hear sounds from 20 hz to 20, 000 hz. those below 20 hz, which we call infra - sound, are inaudible
人的聽覺極限為赫茲至萬赫茲,低於赫茲的音波稱為次聲,我們人類便無法聽到。3. a variety of speech enchancement algorithms are discussed including wiena filter, spectral subtraction, mmse algorithm and the masking model combined with the spectral subtraction algorithm
3 .系統地研究了多種語音增強演算法,包括基於短時譜分析的維納濾波法、譜減法和mmse演算法,並研究了基於人耳聽覺掩蔽效應的語音增強演算法。Depending on the specific application, the enhancement system may be directed at different objectives. what is contained in the thesis is as following : ( 1 ). a variety of methods based on short - time spectrum estimation for speech enhancement are discussed
系統地研究了基於語音短時譜估計的各種增強方法,包括幅度譜相減法、功率譜相減法、維納濾波法、最小均方誤差法、兩態軟判決等。According to this technique, two cuffs are applied to the patient s arm during the period of nibp measuring. the upper cuff supplies varied pressure to the arterial vessels, meanwhile the lower cuff acts as a stethoscope to detect pulse signals
雙袖帶血壓測量技術建立在傳統血壓測量技術的基礎上,結合柯氏音和示波法測量的優點,讓自動準確的測量成為可能。Experiment results also show that our improved algorithm achieves the same perceptual quality as g. 726 standard while our improved algorithm uses a lower bit rate. therefore, our proposal may lead to telecommunication bandwidth saving and storage requirement reduction
經實驗結果驗證,本語音編碼演算法與g . 726語音波形編碼標準相比,比特率下降了15 . 19 %以上,同時兩者的語音質量完全沒有差別。We first introduce the basic methods of speech processing in time domain. emphatically, we describe linear prediction and tonality detection of speech signal. moreover, we discuss the g. 726 speech waveform coding standard in details
本文首先介紹了語音波形時域分析處理的基本方法,對語音波形線性預測和音調檢測技術作了重點描述,著重研究了g . 726語音波形編碼演算法,並在此基礎上,對該演算法進行了某些探討改進,並用vc + +編程,在pc機平臺上予以實現。In this paper, we investigate speech waveform coding technology with emphasis on the g. 726 recommendation of itu - t. based on g. 726, we present a new algorithm. compared with g. 726, our proposed algorithm achieves the same perceptual quality with lower bit rate
本文結合當前商用市場對語音編碼的需求,研究了語音波形編碼技術,重點研究了itu - tg . 726建議,並在此基礎上探討了進一步降低比特率的演算法,使本語音編碼演算法的音質和g . 726演算法的完全一樣,同時,採用本文演算法的比特率低於採用g . 726語音編碼演算法的比特率。[ 3 ] the vowel ' s self - correlation function has periodicity and the period of this function is the fundamental sound period of this speech. according to this, we propose a method of adjusting the tone in temporal field by adding or deleting the sampling points in the waveform with the whole speech waveform unchanged
( 3 )根據母音自關函數具有周期性並且其周期就是語音基音周期這一特性,提出在保持語音波形總體不變的前提下,在語音時域上對語音進行插值或刪值的方法來調整音調。The experments for ct data curves and speech wave curves show that the method proposed in this dissertation is simple and efficient for curves simulation
對ct數據曲線和語音波形曲線擬合的實驗結果表明,這是一種對曲線進行分形擬合的好方法。For that reason, it should always be worn carefully and never placed in an ultrasonic bath for cleaning or brought into contact with acids
因此,佩帶時應小心,且不能以超音波方法清洗,也不可使其接觸酸性物質。Methods for measurement of thickness by ultrasonic pulse echo technique
用超音波脈沖回波技術測定厚度的方法Focused ultrasound therapy
超音波聚焦療法分享友人