acoustic network 中文意思是什麼
acoustic network
解釋
聲學網路-
This paper is combined with the project of research of underwater acoustic network technology. first, we study and research existing uan and its protocols at home and abroad
首先學習、研究了現有國內外有關通信網路及其協議，並對國外現有水聲通信網路進行了較深入的研究和分析。 -
The basic characteristics of the current data network are point - to - point, connectless, doing one ' s endeavor, no quality of service, etc. these characteristics do not meet the requirement of real - time services, therefore, the realization of voip need support of the some key technology. these technologies includes : speech sound coding and data compression, real - time transmission and control, mute compression and multicast, acoustic - echo cancellation and comfort noise generator, dynamic monitor and guarantee of quality of network service, as well as, the compatible of different network and different protocol with each other
但現有的數據網路的基本特性：點對點的、無連接的、盡力而為的、沒有服務質量保證等特性並不適合與實時的業務要求，因此voip的實現需要一些關鍵技術的支持，這些技術包括：語音編碼和壓縮技術、實時傳輸和控制技術、組播技術、靜音壓縮和舒適噪聲生成技術、回聲消除技術、網路服務質量的動態監測和保證技術、以及不同的網路、不同的協議之間的互連互通等等。 -
The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border
本文進行的主要研究工作有： 1解決柱式容器檢測中傳感器排布要求較嚴格的問題，開展任意三角形網路排布檢測技術與線定位技術研究，首次提出了利用字元串格式判斷線定位陣列有效性的判別方法，並解決了任意三角形定位中存在的定位陣列判斷，偽定位的剔除，重復定位的避免等一系列問題； 2利用平面任意三角形定位方法開展常壓立式儲罐罐底缺陷定位技術研究，提出了全新的定位陣列有效性判斷、定位點的有效性判斷方法；以及頂點聲源和邊界聲源的處理辦法。 -
Test technique of acoustic excitation presented in this paper can discriminate if the adhesive structure is intensional enough to endure certainty draw strength, through a series of process, for example bringing draw strength to bear on adhesive structure. testing signal through microphone array, choosing signal ' s character, recognizing automatically through manual nerve network, and so on
本文介紹的粘接構件聲激勵檢測方法，通過對粘結結構施加微力、陣列傳聲器檢測信號、信號的特徵提取、人工神經網路的分類識別等一系列過程，完成了粘接結構承受拉脫力合格與否的無損預報。 -
A solution of network neckbottle in underwater acoustic warfare simulation system
水聲對抗模擬系統中網路瓶頸問題的一種解決方法 -
Firstly, according to the observed data in - situ ( or the empirical parameter data ) and the acoustic logging data, the distribution law of the joint in the computing area can be got. then the network system of the joint can be simulated by the statistical distribution theory and the monte carlo ' s method. and then artificial or automatic dissection program can be used to dissect the fem mesh
首先，根據現場實測資料（或相關經驗資料）和鉆孔聲波資料，求出計算區域的節理裂隙的分佈規律，由統計分佈理論結合蒙特卡洛方法可模擬出計算區域的節理裂隙網路系統，利用人工或自動生成剖分程序剖分成有限元網格。 -
The primary advances in speech and audio signal processing that contributed to multimedia applications are in the areas of speech and audio signal compression, speech synthesis, acoustic processing, echo control and network echo cancellation
語音和音頻信號處理的改進對多媒體應用的貢獻在下述范圍：語音和音頻信號壓縮、語音合成、聲學處理、回聲控制以及網路回聲消除。 -
Hands - free speech communication is indispensable in audio and video conference systems, hot - line telephones and videophones, mobile radio terminals, digital isdn network etc. however, the control ( cancellation ) of the acoustic echo has always had a strong impact on the transmission quality in hands - free telecommunication ~ [ 1 - 3 ] conventional methods of acoustic echo control ( cancellation ), such as echo suppression or gain control, may lead to the degradations in speech quality or make the speakers feel uncomfortable
免提式話音通信在移動電話、熱線電話、車載電話及isdn網的電視電話會議等多種領域正得到日益廣泛的應用。但至今的免提式話音通信中，仍免不了受回聲引起的話音失真、甚至嘯叫等干擾，大大降低了免提話音通信的質量。由於聲回波對消問題尚未得到圓滿解決，實現高質量的免提式話音通信仍是一個極賦挑戰性的課題。 -
This article mainly discusses the basic theories and related protocol and technology of speech sound communication based on ip. the key discuss is the support of real - time services that is provided by the current ip network, codec and the acoustic - echo cancellation, as well as the dynamic monitor of network communication quality of service. it gains some conclusion by compare the merit and shortcoming between the h. 323 protocol and sip protocol and analyzing their bases : rtp / rtcp protocol
本文主要論述基於ip的語音通信所涉及的基本理論和相關的協議與技術，重點論述當前ip數據網路對實時業務提供的支持、語音編碼、回聲消除和網路通信服務質量的動態監測，在協議的分析上比較h . 323和sip協議之間的優缺點，並具體分析這兩個協議的基礎： rtp rtcp協議。 -
By means of acoustic transmission matrix, the muffler is being simulated directly and indirectly. the foul - terminal network parameter, tl and il are calculated, too
利用聲傳遞矩陣的理論對兩種類型消聲器進行了直接模擬和間接模擬，計算出了消聲器的四端網路參數、插入損失和傳遞損失。 -
Acoustic excitation signal is processed with wavelet analysis in this paper, and chooses characters related to adhesive capacity from acoustic signal in the time domain and frequency domain. these characters is the input of nerve network which is used to non - mangle test about mechanics capacity of adhesive structure, and establish the base for classify distinguishing effectively and forecast
本文採用小波變換的方法對採集到的聲激勵信號進行分析，在時-頻域提取出與粘接性能有關的特徵量，用於粘接結構力學性能無損檢測的神經網路輸入，從而為有效進行分類判別和預報奠定了基礎。 -
Using the results of acoustic measure, neutral network analysis is used to predict the speech levels for classrooms and halls
摘要根據目前已有文獻的研究結論和廳堂實測數據，將人工神經網路應用於廳堂聲級的預測。 -
This paper studies on algorithms of multiple moving targets passive tracking and data association in the field of passive acoustic detective network forwarning system, the major contributions and innovations are as following : 1
本文針對無源聲音探測網路預警系統，研究了多運動目標無源跟蹤與數據關聯問題中的相關演算法，主要貢獻與創新在於： 1 -
In this paper, we describe the study background, meaning and methods of passive acoustic detective network, summarize the basic theories and methods of target tracking and data association, analyze some tipical data association algorithms include the nearest neighbor algorithm ( nn ), probabilistic data association filtering ( pdaf ), joint probabilistic data association filtering ( jpdaf ), multiple hypothesis tracking ( mht ), and multidimensional s - d assignment algorithm. 2. in detective network, sometimes a surveillance region have only single sensor
從整體上描述了無源聲音探測網路的研究背景、意義、基本框架和研究方法，概述了目標跟蹤與數據關聯的基本理論與方法，重點分析了幾種典型的數據關聯方法，包括最近鄰方法、概率數據關聯濾波器（ pdaf ） 、聯合概率數據關聯濾波器（ jpdaf ） 、多假設跟蹤（ mht ）以及多維s - d分配演算法。
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