解調制器 的英文怎麼說
中文拼音 [jiědiàozhìqì]
解調制器
英文
demodulator- 解 : 解動詞(解送) send under guard
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 解調制 : demodulate
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It ' s the combination of modulator and demodulator
數據機是由調制器和解調器組成。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。Methods of measurement for radio equipment used in satellite earth stations - part 2 : measurements for sub - systems - section seven - frequency modulators - section eight - frequency demodulators
衛星通信地球站無線電設備測量方法第2部分:分系統測量第7節:頻率調制器第8節:頻率解調器The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal
前端數據調制器完成對計算機輸出的控制信號加密處理,將指令碼載送到一指定頻率點。終端收費控制器解調出控制信號,送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號,送入cpu單元后,解出不授權信號,然後向關斷部分送入信號,關斷部分利用pin二極體的寬帶工作能力以及關斷特性,實現對非授權用戶或者非法用戶的信號關斷,使之不能正常收視,繳費用戶進行開通正常收視,達到控制用戶通道的管理。Base on the study of long distance wireless communication channel characteristics, the thesis gives an analysis on the existing problems and proposes a solution : implanting the ofdm technique in communication system modulator
本文從對無線遠距離移動通信通道的特性研究出發,分析了其存在的問題。然後針對問題提出了解決方案? ?採用ofdm技術來設計通信系統的調制器。By the way, the word modem stands for modulator / demodulator
順便說一下,數據機表示調制器/解調器。Modem - an abbreviated term for " modulator - demodulator. " a modem converts digital signals into analog signals ( and vice versa ), enabling computers to send and receive data over the telephone networks
數據機- -是「調制器和解調器」的縮寫。數據機可將數字信號轉換成模擬信號(反之亦然) ,能使電腦在電話網上發送和接收數據。The problem of control benchmark is solved by the use of hpop, and the problem of constant thrust control is solved by h control theory and pwpf modulator
本文利用衛星精密軌道預報的結果作為基準軌道,解決了控制基準的問題;利用h _控制理論和pwpf調制器解決了軌控小發動機常推力控制問題。With the development and extensive application of spatial light modulator ( slm ) and ccd, many attentions have been payed to the optoelectronic hybrid pat - tern recognition systems
隨著各種空間光調制器和高解析度ccd器件的迅速改進和廣泛應用,光電混合模式識別系統日益受到重視。Projection display technology based on space light modulator has many advantages such as high brightness, high resolution, and is going digital. this makes it a very attractive market trend
基於空間光調制器的投影顯示技術具有高亮度、高解析度、數字化等優點,近幾年得到了飛速發展,具有非常誘人的市場前景。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。A : it ' s the combination of modulator and demodulator
數據機是由調制器和解調器組成。Secondly, we used the dsp assembly language to perform the carrier phase tracking based on a digital processing system. this system is designed according to the idea of software radio. this digital processing system realized the intermediate frequency digitalization. with the diverse configuration of the digital upconverter and digital downconverter in this system, it can carry through many signal modulation modes. and because the carrier phase trac king is performed using software in dsp, it brings great convenience to this system and makes this system available in many digital communication systems
在該數字處理平臺上可通過加載不同的軟體對平臺中的數字上下變頻器進行靈活的配置以實現不同的數字調制解調制度,通過將載波的相位跟蹤工作放在dsp軟體中進行帶來了很大的靈活性,能夠適用於當前許多種數字通信系統。The research reveals that dds modulator made up of dds technique and micro - computer possesses many modulation capabilities and provides a new research way for modulation and demodulation technique
研究表明,將dds技術輔以微機構成的dds調制器能將多種調制功能集於一身,為調制解調技術提供了一條新的研究途徑。The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on
本文從理論上分析了光纖水聽器時分復用系統串擾的形成機理,分析了光脈沖調制器的消光比與系統串擾的關系;分別對光纖水聽器波分復用系統的異頻串擾和同頻串擾進行了理論分析,研究了光纖水聽器波分復用結構、波分復用器與解復用器隔離度等因素以及非線性效應對系統串擾的影響;對大規模光纖水聽器復用系統噪聲進行深入細致的理論分析,研究了系統噪聲、相位解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大器等諸多因素的關系。This dissertation use rebuild of combined telemeter system, which is the subsystem of the red - nine system developed by the aerospace measure and telecommunication incorporated company, as background, study and discuss frequency synthesize technology. the mostly task is to study how to use the direct digital synthesis technology to design and realize the high speed digital mid - frequency modulator, and give the answers of the problems which emerge in the development
本文以某測通公司研究生產的「紅九」系統中遙測模擬組合子系統為背景,對其中的數字中頻調制器的研究開發進行探討,主要任務是研究如何用直接數字合成技術進行高速數字中頻調制器的設計與實現、並提出了研發過程中所出現的問題的解決方案。Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - transmitter receiver including modulator demodulator
數字微波無線電發射系統使用設備測量方法.地面無線電中繼系統測量.發射機接收機包括調制器解調器Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 - 4 : measurements on terrestrial radio - relay systems ; transmitter receiver including modulator demodulator
數字微波無線電傳輸系統使用設備的測量方法.第2 - 4部分:地面無線電中繼系統的測量.包括調制器解調器的發射機接收機Methods of measurement for equipment used in digital microwave radio transmission systems ; part 2 : measurements on terrestrial radio - relay systems ; section 4 : transmitter receiver including modulator demodulator
數字微波無線電發射系統使用設備的測量方法.第2部分:地面無線電中繼系統的測量.第4節:發射機接收包括調制器解調器Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 : measurements on terrestrial radio - relay systems - section 4 : transmitter receiver including modulator demodulator ; amendment 1
數字微波無線電發射系統使用設備的測量方法.第2部分:地面無線電中繼系統的測量.第4節:發射機接收包括調制器解調器.修改件1分享友人