time modulator 中文意思是什麼

time modulator 解釋
時間調制器
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • modulator : n. 調整者，調節者；【無線電】調制者，調節器。
  1. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  2. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    瞬態時間分辨譜測量方法的主要思想：使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈，經色散后，以二維探測器接收並轉換光信號為電信號，用通用計算機控制採集並處理光譜數據。
  3. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  4. The photoabsorption properties of three kinds of br molecule films ( the wild - type br, the chemical enhanced br, the gene - variant br ) are investigated by measuring their absorption spectrum. using the gene - variant br film as a light - modulator, by the experiment of write - readout image and the analysis of image contrast, the light - modulated property of the modulator is studied. the relationship between wavelength of the modulated light and response time of the modulator is discussed emphatically

    本論文概述了細菌視紫紅質分子結構、功能特性及研究發展的歷史與現狀，介紹了目前已有的和潛在的一些重要應用，通過對吸收光譜響應特性的測試研究了三類br分子薄膜（野生型，化學修飾型，基因修飾型）的光吸收特性，通過圖像的記錄/讀取實驗及圖像的對比度分析探討了基因改性型br分子薄膜的光調制特性，著重研究作為一個光調制器件對調制波長和調制時間的響應特性。
  5. The key technology of measuring time - resolved spectrum is to design and make the special light beam modulator that is used to the time - resolved spectrum detecting

    瞬態時間分辨譜測量方法的關鍵技術：設計和研製了專用於時間分辨譜採集分析的光束調制器。
  6. Bulk high - speed traveling wave e - o modulator was also fabricated, the half - wave voltage is just 760 v, response time of the device is low up to 297 ps

    此外，用本實驗的ktp晶體製作了體式高速行波電光調制器，半波電壓760v ，脈沖響應時間快到297ps 。
  7. It consists of two parts : channel modulator ' s controlling system and the receiver ' s controlling system, including the interface designing of the demultiplexer, the controlling of the channel demultiplexer, if modulator, tuner, the setting and transmitting of the system parameters, and the real - time monitoring of the whole system, etc. based on the descriptions of the scheme of bdb - t and the principles of controlling circuits, this paper presents the hardware and software designing methods of the controlling circuits, and realizes a powerful, multifunctional and reliable controlling system which can automatically record the operational states of the system and communicate with other personal computers through a rs - 232 serial interface

    控制系統是實現整個傳輸系統的關鍵部分，它分為通道調制器控制系統和接收機控制系統兩大部分，其中包括了通道解復用器用戶介面設計、對通道解復用器的控制、系統傳輸參數的設置與傳送、中頻調制器的配置、數字調諧器的配置，以及對整個系統的實時監控。本文在闡述了bdb - t方案及其各部分電路的控制原理的基礎上，詳細描述了控制系統的硬體電路設計和軟體實現方法，實現了一套功能完善、性能穩定且具有自動記憶功能的控制系統，同時該系統通過rs - 232串列介面可以實現與計算機的串口通信。
  8. It is the first time that driving chip used by pdp is applied to the fed panel. by adopting the new ic and the novel driving method, the developed grey scale modulator achieve high flexbility, stability and high integration. the circuit system includes cyclonetm fpga from altera and stv7610 from st microelectronic. with the capability of generating two kinds of modulating waveform, it has the advantages of flexible configuration, high display - quality, high integration and low cost. fpga design is based on the quartus platform. data transforming and the system controlling are achieved by using single fpga

    基於altera公司cyclone系列fpga和st公司stv7610驅動晶元設計的fed顯示器的灰度調制電路系統可以支持兩種調制波形，具有配置靈活，顯示性能好等優點，其集成度為原有系統的三倍，且造價更低廉;基於quartusii軟體平臺進行了fpga的系統開發與優化，採用單片fpga完成了全部的數據轉換和系統控制功能， fpga的可編程特性使系統的設計具有充分的靈活性和可擴展性。
  9. This master ’ s degree thesis firstly introduces and discusses the principle of synchronization in sfn ( single frequency network ) based on dvb - t focusing on some key points, then presents a design of sfn time synchronization system based on fpgas, including the modules of sfn adapter after the mpeg - 2 re - multiplexer and sync system serving as the front - side of the dvb - t modulator at transmitters

    本論文首先介紹並討論了dvb - t單頻網的時間同步原理，對其中的一些關鍵問題做了詳細的分析，在此基礎上提出了一種基於fpga的dvb - t單頻網時間同步的硬體設計方案，即位於mpeg - 2系統層復用器之後的單頻網適配器和發射臺調制前端的同步系統的fpga設計。
  10. Because of its excellent electro - optic effect, very short electro - optical response time, and wide transparent wavelength range, linbo _ 3 material meet the demands of low - loss, low drive voltage, high - speed and wide - band intensity modulator

    由於linbo _ 3材料具有良好的電光效應、很短的電光響應時間、較寬的透明波長范圍，因而適合於制低損耗、低電壓、高速寬帶強度調制器。
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