數(shù)字語(yǔ)音采集和頻譜分析外文翻譯

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夢(mèng)色未央 2016-06-03 00:00:00

數(shù)字語(yǔ)音采集和頻譜分析 Digital voice acquisition and spectrum analysis 數(shù)字語(yǔ)音采集和頻譜分析 Digital voice acquisition and spectrum analysis

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數(shù)字語(yǔ)音采集和頻譜分析外文翻譯:

怎樣用mutlab做語(yǔ)音信號(hào)采樣和頻譜分析:

外文翻譯《建筑的組成部分》: StructuralSystemstoresistlateralloads這篇外文的作者是誰(shuí)我想知道他的作者是誰(shuí)... Structural Systems to resist lateral loads 這篇外文的作者是誰(shuí) 我想知道他的作者是誰(shuí) 展開(kāi)

畢業(yè)設(shè)計(jì)外文翻譯，高手請(qǐng)進(jìn)，感激不盡！: ResearchonIntegrationofCoalMineMonitoringandControlSystemwithFieldBusControlSystemAbstract:AccordingtotheconstructionofcurrentcoalminemonitoringandcontrolsystemsinChina，t... Research on Integration of Coal Mine Monitoring and Control System with Field Bus Control System Abstract:According to the construction of current coal mine monitoring and control systems in China，the paper proposes three kinds of applicable schemes of integrating PLC and DCS systems with field bus technology to digitize the system and to improve the flexibility and extent of the system.Essentially，the paper introduces the integration of FCS on I/O layers.Based on a real coal mine safety-monitoring and control system applied with a CAN field bus，the major technology of system relays and extensions is discussed.We believe that one of the most applicable methods is currently replacing the connection between function-stations and field-sensors with a CAN bus on I/O layers for system integration. Key words:monitor and control;field bus control system;CAN;integration 1 Coal Mine Monitoring and Control System and Field Bus Technology As one of the most important methods to improve modern management and production efficiency in coal mines，monitoring and control technology have been widely adopted to maintain safety in coal production.Taking advantage of foreign technologies from the 1980’s，coal mine monitoring and control systems have expanded rapidly in China.At present， automatic control has come into use in most large-scale coal mines，which greatly improved production efficiency and safety and lowered costs. In China，most sub-systems of coal mine systems work independently.They follow a DCS system structure of three layers(center layer，sub-station layer and sensor layer)which consists of a tree to-pology.They are composed of sensors，sub-stations on or under the ground，center stations，multiple controllers and display terminals(Fig.1).They work with analogue signals of 4–20 mA or 200–1000 Hz. Each coupled cable can only act as one line for transmission[1]. Currently control networks have been developed for digitalization and networking.Because traditional analogue signals of 4–20 mA or 200–1000 Hz can only carry simple measurement information and con-trol signals，the communication rate is restricted. Therefore，it is necessary to digitalize and network the entire monitoring and control system. Fig.1 Traditional Structure of Coal Mine Monitoring and Control System 展開(kāi)

基于單片機(jī)的氣體傳感器的外文翻譯。要來(lái)自外文期刊。: 論文需要。求各位大神幫忙。感謝感謝！小的跪下了

怎樣用matlab對(duì)語(yǔ)音信號(hào)分解及頻譜分析？:

求善良的人幫我翻譯一篇外文感激不盡: t treatment， seeding by 3 wt%ZrO2 as glass-composite and pulverization affected the amount， size and distribution of crystalline phases. SEM-EDS and XRD results revealed that crystalline phases presented in the devitrified glass–ceramic ... t treatment， seeding by 3 wt%ZrO2 as glass-composite and pulverization affected the amount， size and distribution of crystalline phases. SEM-EDS and XRD results revealed that crystalline phases presented in the devitrified glass–ceramic were barium aluminate (BaAl2O4)， barium aluminosilicate (BaAl2Si2O8) possibly with boron associated in its crystal structure， and barium zirconate (BaZrO3). CTE of the devitrified glass–ceramic was in the range of (10.1–13.0) 106 C1. Good adhesion was obtained both in the cases of glass and devitrified glass–ceramic with YSZ and AISI430 stainless steel. Interfacial phenomena between these components were discussed. 2008 Elsevier B.V. All rights reserved. 1. Introduction Solid oxide fuel cells (SOFCs) are a power source producing electricity via an electrochemical reaction. SOFCs have high energyconversion efficiency [1] and are environmentally friendly due to their low pollutant emission [1–3]. Electrochemical reactions in SOFCs occurred at the temperature range of 600–1000 C and required both oxidizing and reducing atmosphere [4]. Planar SOFCs are a type of SOFCs under development. An important consideration in planar SOFCs fabrication is hermetic sealing of all SOFC components， which are solid electrolyte， metallic interconnect， anode and cathode [5]. The seals must be thermochemically and mechanically compatible with other SOFC materials， should have high electrical resistance， and must be stable and long time durable under operating condition under H2 and H2O atmosphere [4，6]. Rigid sealing using glasses or glass–ceramics is a promising option 展開(kāi)

外文文獻(xiàn) 基于MCU的信號(hào)發(fā)生器做畢業(yè)論文外文翻譯用的，謝謝了，:

基于MATLAB采集語(yǔ)音信號(hào)分析與處理: 要求： 1、語(yǔ)音信號(hào)采集錄制一段課程設(shè)計(jì)學(xué)生的語(yǔ)音信號(hào)并保存為文件，要求長(zhǎng)度不小于10秒，并對(duì)錄制的信號(hào)進(jìn)行采樣；錄制時(shí)可以使用Windows自帶的錄音機(jī)，或者使用其它專業(yè)的錄音軟件，錄制時(shí)需要配備錄音硬件（如麥克風(fēng)），為便于比較，需要在安靜、干... 要求： 1、語(yǔ)音信號(hào)采集錄制一段課程設(shè)計(jì)學(xué)生的語(yǔ)音信號(hào)并保存為文件，要求長(zhǎng)度不小于10秒，并對(duì)錄制的信號(hào)進(jìn)行采樣；錄制時(shí)可以使用Windows自帶的錄音機(jī)，或者使用其它專業(yè)的錄音軟件，錄制時(shí)需要配備錄音硬件（如麥克風(fēng)），為便于比較，需要在安靜、干擾小的環(huán)境下錄音。 2、語(yǔ)音信號(hào)分析在MATLAB軟件平臺(tái)下繪出采樣后的語(yǔ)音信號(hào)的頻譜圖。 3、含噪語(yǔ)音信號(hào)合成在MATLAB軟件平臺(tái)下，給原始的語(yǔ)音信號(hào)疊加上噪聲后，繪出噪聲的信號(hào)頻譜圖. 4.設(shè)計(jì)一種合適的濾波器，去除噪聲，得到原始的語(yǔ)音信號(hào). 有哪位可以為我提供MATLAB源程序，多多感謝了!!! 展開(kāi)

超聲波測(cè)距儀外文翻譯在哪個(gè)網(wǎng)站能找到:

快速fft采集音頻信號(hào)，如何進(jìn)行頻譜分析: 用單片機(jī)采集音頻信號(hào)，將音頻信號(hào)進(jìn)行傅立葉轉(zhuǎn)化后存在一個(gè)數(shù)組內(nèi)，那然后怎么處理這些數(shù)據(jù)呢，才能得到對(duì)這個(gè)音頻信號(hào)的進(jìn)行頻譜分析呢，想知道它是不是失真了，，請(qǐng)各位大俠幫助!!!

matlab中語(yǔ)音信號(hào)DSB調(diào)制與解調(diào)頻譜分析，見(jiàn)圖: 左邊是語(yǔ)音信號(hào)，右邊是語(yǔ)音信號(hào)跟cos(2*pi*9000)相乘得到調(diào)制信號(hào)，為什么中間看起來(lái)還有直流分量。

誰(shuí)有關(guān)于污水處理或者組態(tài)軟件的外文翻譯（帶原文），急用！:

用MATLAB對(duì)語(yǔ)音信號(hào)做時(shí)域和頻譜分析。要求有詳細(xì)的程序，謝謝了。: 我的畢業(yè)論文是基于MATLAB的語(yǔ)音信號(hào)的濾波器的實(shí)際和實(shí)現(xiàn)，我的語(yǔ)音文件在E:\MATLA\work\hnist.wav我想知道時(shí)域分析，頻域分析。他們分別實(shí)現(xiàn)的程序。答的好的追加分。

要寫(xiě)工控組態(tài)軟件的畢業(yè)論文包括開(kāi)題報(bào)告、外文翻譯，怎么寫(xiě)？:

如何采用matlab對(duì)單片機(jī)采集的數(shù)據(jù)進(jìn)行頻譜分析？: 我用單片機(jī)采集到電動(dòng)機(jī)的振動(dòng)信號(hào)，并通過(guò)ad轉(zhuǎn)換器轉(zhuǎn)換為數(shù)字信號(hào)。但是，這些數(shù)字信號(hào)如何移植到matlab中，進(jìn)行頻譜分析？

誰(shuí)有基于LabVIEW的信道編碼系統(tǒng)的設(shè)計(jì) 外文翻譯文獻(xiàn)綜述急需:

基于EWB的函數(shù)信號(hào)發(fā)生器的設(shè)計(jì) 誰(shuí)有想過(guò)論文還有外文翻譯:

語(yǔ)音交換機(jī) 和網(wǎng)絡(luò)交換機(jī) 有什么區(qū)別???: 語(yǔ)音交換機(jī)和網(wǎng)絡(luò)交換機(jī)有什么區(qū)別???如題，謝謝... 語(yǔ)音交換機(jī) 和網(wǎng)絡(luò)交換機(jī) 有什么區(qū)別??? 如題，謝謝展開(kāi)

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