音頻頻率計 的英文怎麼說

中文拼音 [yīnbīnbīnlǜjì]
音頻頻率計 英文
audio frequency meter
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  • 頻率 : frequency; rate
  1. The frequency respond to : the brief name rings, and measure a device right high, the inside, frequency for ability for even emersion of signal, general enlarger of low and each segment respond to and should attain the the. ear that excluding the person is out of hearinged, but skin etc. the other sensory apparatus it can feel. for example thunder, the frequency of the thunder voice is low, person ear can hear few, but we can feel the fierce vehemence of that kind of manner, and can have to grow the center of chest however spirit felling that come. this make the perfect new of science spirit, summer that re - appear of orotund details the the dollar of superior quality adoption the for piece with careful electric circuit designing, frequency scope attaining the the, can like this satisfying broadcasting the true of this new and high of of or of ring the request

    以外人的耳朵聽不到了，但是皮膚等其它感覺器官能感覺到。例如打雷時，雷聲的頻率比較低，人耳所能聽到的很少，但我們能感覺到那種來勢兇猛的氣勢，會有種胸口透不過氣來的感覺。本著使聲音細節完美重現的科學精神，夏新採用優質的元器件和嚴謹的電路設計，頻率范圍達到，這樣就能夠滿足播放或這類新型高保真音源的頻響要求。
  2. 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。
  3. Wherever data exists, numbers exist, and computers can do marvellous calculations with them. but what does all of that have to do with increasing bits and kilohertz

    不管任何數據或數字資料輸入我們的電腦都能很準確的計算，但是這和增加音質解析度及采樣頻率又有何關系呢？
  4. 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。
  5. He has also shown how electronic technology can be harnessed to map out and account for phonological developments in china through the example of retroflex initials. mitsuaki endo follows the admirable tradition of toiling with patience and perseverence to provide a foundation that will facilitate research by others. he has compiled frequency data on initials, medials ( glides ), nucleus vowels, rhyme endings and tones in the chinese rhyme book

    遠藤光曉經過長期艱苦的努力，對《廣韻》中所出現的音位（聲母、介音、主要母音和聲調）進行了統計，並求出了各音位及各種語音類別的頻率，為今後從計算與計量的角度研究從中古到現代各方言的語音演變過程及原因提供了量化的依據。
  6. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視頻解析器的設計兼容了橋接器對數據推送的速率，在該解析器中通過「解析音視頻基本流」演算法來識別出每一個流的格式、每一幀數據，並對這些數據重新打包成一個個數據sample ，再通過「音頻pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳，最後在相應的輸出pin上進行發送。
  7. Second, we optimize the codebook and choice a part of the codeword which is used most efficiently. the result is not degraded too much while the complexity is reduced. at the end of the paper the development prospect of cs - acelp and speech coding are described

    對lsp參數量化中的第一級碼書的128個碼字的使用頻率進行了統計試驗，選用了128個碼字中使用頻率高的112個碼字作為新碼書，語音質量基本不變但降低了碼書搜索的復雜度。
  8. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  9. The article originated some conversion algorithms based on the data flow of multiplexing. it includes de - multiplexing ps, pretreating audio, disposing ps / ts system layer, calculate time information, controling stream output. the project describes the five parts of software system

    本文分析了轉碼設計中的時間信息、碼率等關鍵問題，提出了按碼流合成的數據流程進行轉碼的架構，實現了編碼演算法: ps流解復用、音頻預處理、 ps / ts的系統層處理、時間信息處理、碼流輸出控制共五個部分。
  10. Relationship between the gyro ’ s bandwidth and sensitivity and the resonant frequency differential ratio is derived through frequency analysis. the bandwidth of the gyro increases as the resonant frequency differential ratio increases ; but the sensitivity decreases as the resonant frequency differential ratio increases

    增大驅動軸和敏感軸之間諧振頻率的頻差，可以增加微陀螺的帶寬，但是降低了微陀螺的靈敏度，這為設計石英音叉結構參數時，確定驅動軸和敏感軸諧振頻率提供了指導依據。
  11. Due to too much short sustained time duration of oscillation for the blades and too wide distribution of oscillation frequency over the audio frequency range, a procedure of variable gate frequency measurement has been applied to the design of frequency measuring instrument with a micro - - controller unit ( mcu ) as its core. this procedure features a high precision and rapid speed

    由於葉片振動持續時間很短，且振動頻率在音頻范圍之內分佈較廣，故在設計以單片機為核心的測頻儀時採用了變閘門測頻法，該方法具有精度高、速度快的優點。
  12. Point in the number of times of a repetition in period, or each of cycle number. calculate the unit to hz hertz, such as the frequency is 1000 hzs 1 khz signal 1000 every second then contain the cycle of the sine wave

    指在一個周期內的重復次數，或每秒的周波數。計量單位為hz hertz ，如頻率為1000hz 1khz的音頻信號每秒便有1000個正弦波的周波。
  13. An algorithm of fec ( forward error correction ) system and it ’ s fpga implementation were researched, . then the fec system was applied to an audio transmission platform. the platform can decrease the error bit rate to 1 10 - 7 when channel error bit rate is 3 10 - 3. veriloghdl was chosen to design the circuits

    研究了一種前向糾錯（ fec ）演算法及基於fpga的相應電路設計，將此電路應用於數字音頻無線傳輸，搭建了一個完整的數字音頻無線傳輸平臺，當無線通道誤碼率為3 10 - 3時，經過該糾錯電路可以降低到1 10 - 7以下。
  14. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  15. The project uses for reference the algorithm thought of sbc ( subband coding ) to measure off the audio to the corresponding frequency width and encode it by the different sensitivity of human hearing, which results in the lower coding rate and bearable voice quality. the algorithm processing low bit - rate audio is designed to be self - adaptive by the situation of network. the component developped by that algorithm and project has already been used in the realtime interactive educational system

    該方案借鑒sbc （ subbandcoding ）子帶編碼演算法思想，將音頻按對人聽覺敏感程度不同劃分為相應的頻帶並進行相應的編碼，從而得到較低的編碼率和較好的語音質量，設計了可根據網路狀況進行自適應的低帶寬音頻處理演算法。
  16. In this paper, the author provides frequency counts of the phonemes ( e. g. initials, medials, principal vowels, endings and tones ) and sound categories in the guangyun

    本文對《廣韻》中所出現的音位（即聲母、介音、主要母音、韻尾和聲調）進行統計，求出各音位及各種語音類別的頻率。
  17. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  18. Firstly, the strain gauge method was used to measure the time difference of stress wave passing through two gauges adhered on the surface of test piece and also their main frequencies secondly, a 3 - component dynamometer was used to measure the resonant frequency of timber six kinds of full size timber were used for test

    本研究旨在研發兩種新的應力波計測技術，其一為利用應變規來測定兩標點間之應力波傳遞時間差及試材之共振頻率，藉以計算試材之音速及動彈性系數，其二為利用三向動力計來測定試材之共振頻率。
  19. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象，在詳細分析原設備的系統結構和功能實現方式的基礎上，指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題，同時結合系統的低功耗需求和優化人機介面設計，本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案：在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路； cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計；基於低功耗設計的器件選型方案和單片機待機模式設計；人機介面的lcd菜單操作方式。
  20. Verification regulation of power meter type 1840 - a

    1840 - a型音頻功率計試行檢定規程
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