電調制 的英文怎麼說
中文拼音 [diàndiàozhì]
電調制
英文
electrical modulation-
Using ewb to simulate amplitude modulation and detection
對振幅調制與檢波電路進行模擬Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路，對光弱信號進行調制和線性化處理，運用比色法原理對溫度進行檢測.為了便於儀器擴展，增加了模擬量輸出和數字介面，並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹The secondary backscattered electron current is used to modulate the intensity of an electron beam in a cathode ray tube(crt).
二次電子或背散射電子的電流被用來調制陰極射線管（CRT）中電子束的強度。As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )
光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外，還有其獨特的優越性，如探頭尺寸小，其直徑與光纖等同;易於與光纖耦合，耦合損耗小;波長調制型，抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力，易於構成傳感網路;測量對象廣泛，易於實現多參數傳感測量等等。The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale
本文介紹了fed驅動系統的工作原理，重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製，這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路，配合后級列灰度調制單元和行掃描單元，組成完整的fed驅動系統，可以驅動25英寸vga級fed顯示屏，實現彩色視頻顯示，樣機亮度達400cd / m2 、對比度為1000 : 1 ，灰度等級為256級。1, qpsk digital tv modulators brochures downloaded
1 qpsk數字電視調制器說明書下載Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。Self - modulation of intense relativistic annular electron beam in equipotential resonant cavity
強流相對論環形電子束自調制振蕩研究Apply computer chip to control the circuit ; omron opto - elecrtonic control - ler and panasonic and mitsubishi inverter have stable performance, high precision, rapid reaction and long life - span ; the controlling plate applies tactile operation board which is handled easily ; vertical structural screen is easy to adjust the vertical printing pressure so as to ensure the quality of printing ; the frame lift is driven by electrical motor and installed with imported linear guide rails, of which the speed - adjust device, scraper and scraping blade can be adjusted within15 to 45 and can be set for many times so as to repeatedly printing with good precision and output, the flat bed is made of 2mm stain - less steel plates which are flat, smooth and indeformable ; it is also equiped with micromatic setting device in order to ensure the precision of multi - color overprint and auto air - intake device to ensure strong adsorption
採用電腦板控制電路，歐姆龍光電控制器，松下，三菱變頻器，行直穩定.精度高，反應快，壽命長，控制面板採用觸摸式操作面板，操作方便，六式結構型網版垂直升降印刷壓力可調保證印刷質量，機架升降採用電機驅動安裝進口直線導軌，刮刀、回墨刀可在15一45角調整，可設置多次，重復印刷保證產品精度.平臺板採用2毫米不銹鋼板製作，平整光滑不變形配有微調裝置，確保多色套印精度，配自動吸氣裝置，確保強有力的吸附。Based on the current signal from the proceeding stage, the first order - modulator designed could be simplified in the precondition of performance satisfaction, and it is good in accomplishing signal conversion and could be incorporated with the forestage bandgap circuit
根據前級溫度傳感電路的電流信號，在滿足性能要求的前提下盡量簡化電路，設計出的一階-調制電路不但很好地完成了信號轉換，而且更符合一體化結構的要求。Frequency modulation does not allow static to creep in.
頻率調制不允許靜電干擾混入。Measuring method for the level of intermodulation products generated in ? gyromagnetic device
迴旋磁裝置中產生的交叉調制產品的電平的測量方法Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation
研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法；採用單片機實現了該種電機的運行控制，提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。The lineshape analysis of electric field modulation spectroscopy of semiconductor quantum dots
半導體量子點電調制吸收譜一次微分性質的理論分析First, the paper studies the general platform of analog and digital communication signal modulation and demodulation based on software radio and verifies it with simulation by matlab
本文首先研究基於軟體無線電的模擬、數字通信信號調制解調通用結構，並使用matlab編制了基於軟體無線電調制解調模擬軟體。Hydraulic fluid power - electrically modulated hydraulic control valves - part 1 : test methods for four - way directional flow control valves
液壓傳動電調制液壓控制閥第1部分:四通方向流量控制閥試驗方法Hydraulic fluid power - electrically modulated hydraulic control valves - part 2 : test methods for three - way directional flow control valves
液壓傳動電調制液壓控制閥第2部分:三通方向流量控制閥試驗方法Cdso. iseo. 9 nanocrystals exhibited the excellent resonant and non - resonant third - order optical nonlinearties from electroabsorption spectra. quantum size effect was also observed
對納晶電調制吸收光譜的測試，納晶表現出很好的共振和非共振三階光學非線性性能及量子尺寸效應。Quantum confinement effects of semiconductor nanocrystals cdsaiseo9 in glass abstract a series of cds0. iseo. 9 semiconductor nanocrystals embedded in silicate glass with different sizes have been fabricated by one - step and two - step annealing methods. the electronic state and optical properties of these nanocrystals also have been studied through room - temperature absorption spectra and electroabsorption spectra
本文用一步退火和兩步退火方法在玻璃基體中生長了一系列不同尺寸的cds _ （ 0 . 1 ） se _ （ 0 . 9 ）半導體納米晶體。對制備的納晶樣品作了室溫吸收光譜和電調制吸收光譜的測量，以此研究了納晶的電子結構及光學性質。It is not only the satisfactory substrate used for the epitaxy growth of infrared detector material hgcdte, but also attractive candidates for the manufacture of high quality x - ray or y - ray detectors, photoelectronic modulator, solar cell, and laser windows etc. no matter what the crystal is used as detectors or epitaxy substrate, it is of vital importanteto obtain high quality cdznte crystals with perfect surface
它不僅是生長紅外探測器材料hgcdte最理想的外延襯底，而且還被廣泛用於制備高性能x射線或射線探測器、光電調制器、太陽能電池和激光窗口等。獲得高性能、高質量的czt晶體是至關重要的。無論是作探測器還是作外延襯底等都要求它的表面質量要非常高，因為表面質量會直接影響到器件的性能。分享友人