digital switching 中文意思是什麼
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Interoffice junction digital line signalling system for telephone automatic switching network
電話自動交換網局間中繼數字型線路信號方式 -
The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout
工作在1mhz固定頻率，採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以設置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能，工作溫度范圍為- 40 + 85 。 -
Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits
具有良好的高頻開關特性反向恢復時間短，可實現對電路開和關的控制功能，可完成開關限幅檢波高頻整流邏輯控制等功能，適用於各類數位電路類比電路。 -
The telephone network based on circuit - switching and digital program controlled exchanging technology plays an important role in the whole communicating networks
以電路交換和數字程式控制交換技術為基礎的電話網更是在整個通信網中占據著重要的地位。 -
By exploring the characters of dynamic power supply currents of digital circuits using spice, this paper analyzed the relation between iddt and the switching activities when a circuit changes from one logical state to another
本文通過spice實驗研究數字電路動態電流的特性，分析了數字電路的動態電流與電路邏輯狀態轉變之間的關系。 -
Code for design of railway spc digital telephone switching engineering
鐵路時分數字程式控制電話交換工程設計規范 -
In the thesis, a high efficiency linear am amplifier is developed, which is based on the basic theory of eer linearization amplifier technique [ 1 ]. the high efficiency digital audio amplifier technology [ 2 ] is adopted to develop the power supply modulator and the class - d switching amplifier technology [ 3 ] is adopted to develop the high efficiency rf amplifier
本論文利用eer （ envelopeeliminationandrestoration ）線性功放技術的基本原理[ 1 ] ，採用數字音頻功放技術[ 2 ]實現高效率電源調制器，採用class - d開關放大技術[ 3 ]實現高效率載頻放大器，開發了一個集am調制和放大於一體的高效率線性功率放大器。 -
Digital program - controlled telephone switching system project ( 6, 000 lines and trunks ) in linton telecom bureau, shaanxi province
陜西電信臨潼郵電局六千門程式控制交換機開通工程。 -
Because of the using of interpolation, noise shaping and switching amplification in the digital audio amplifier technology, the power supply modulator is not only much efficient but also behaving good in envelope amplification, this advantage is hard to implemented with conventional technology
數字音頻功放技術是近年發展起來的高效率音頻放大技術，該放大技術採用了過取樣、噪聲整形等數字音頻處理演算法和開關功率放大。採用該技術實現的電源調制器不但具備很高的效率，而且能高指標地放大包絡信號，是常規的電源調制技術無法實現的。 -
A digital central office switching system made by lucent. it is typically used as an " tandem switching office, switching long distance phone calls. see 5ess
朗訊公司生產的一種數字市話局交換系統。通常作為一種匯接交換局，轉接長途電話。參見5ess 。 -
According to sarft, switching to digital has become the paramount opportunity for the radio and television industry
據中國廣電總局表示，轉用數碼廣播已成為電臺電視臺行業當前首要工作。 -
Lastly, the hardware circuit of digital acquisition system is designed, and the programs for system controlling and adaptive filter arithmetic are designed. eeg can be observed clearly after d / a switching. at the same time, eeg data is transmitted to the upper machine by serial communication, so we can see eeg waveform by virtual instrumentation
在此基礎上，針對固定濾波器存在的問題，提出了將自適應濾波技術應用於腦電測試中，並進行了理論研究和模擬研究，設計出了能較好地濾除50hz強干擾的自適應陷波濾波器和去基線漂移的自適應濾波器。 -
This paper introduces the switching device, which will be used in an artificial system. it introduces the basic theory of communicating switching and the process of design and, on the base of expirement, we get each testing datum when digital signals pass the switching matrix, which prove digital signals can pass the switching matrix with little distortion
闡述了矩陣交換的基本原理和矩陣交換設備的設計過程，並在實驗的基礎上給出了數字信號通過矩陣開關時的各項實驗數據指標，從而證明了信號通過矩陣體時，失真小、干擾小，能夠較好的滿足實用要求。 -
Ningbo ekey ruineng electric technology co., ltd. is ningbo ekey holding groups subsidiary company. the head offices main business is embedded software industry and hammer at development the software exploiture and design, network engineering, chip development, ipv6 digital switching equipment, mobile communications, internet phone, intelligent home electric equipment, automobile anti - theft devices, unlimited remote control and power adapter, etc high - tech industri
寧波易科瑞能電子科技有限公司是寧波易科投資控股有限公司下屬子公司，集團公司以嵌入式軟體產業為主營業務，以軟體開發設計，網路工程，晶元研發， ipv6數字交換設備，移動通訊，網路電話，智能家電，汽車防盜器，無限遙控，電源適配器等高科技產業為重點發展方向，並從事房地產開發，酒店投資管理，國際國內貿易等業務，在線投資總規模超過11億人民幣 -
As the most important technique in the wholly digital - switching of hunan catv, especially on the country overcast, mmds wireless digitalized overcastting becomes an essential procedure in the way of the evolution of hunan catv
在整個湖南有線電視數字化轉換中，尤其在農村覆蓋上， mmds無線數字覆蓋是一個極其重要的一個環節，將發揮巨大作用。 -
A network that uses both digital transmission and digital switching
既使用數字傳輸又使用數字交換的網路。 -
A digital switching device in telecommunications for routing lines
電訊中用於線路路由的數字交換裝置。 -
This paper provides an efficient way to analyze those call irregular data detected in toll digital switching system
本文首先應用統計方法，對各種不同因素所造成的異常調用分配進行分析，並根據分析結果設計障礙判斷流程。 -
This paper analyses the principle of the digital switching technology and describes the structure of altera chips and its design software named max + plus ii
本文分析了數字交換技術的原理，介紹了altera器件的結構和max + plus設計軟體。 -
On the basis of the above, it provides a detailed design of large digital switching units dx1000 based on the implementation of altera fpga. at last, it introduces the applications of dx1000 in the hjd04 switching system
在此基礎上，提出了基於altera的fpga實現的大型數字交換單元dx1000的詳細設計，最後，介紹了dx1000在hjd04交換系統中的應用。
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