通路調制器 的英文怎麼說
中文拼音 [tōnglùdiàozhìqì]
通路調制器
英文
channel modulator- 通 : 通量詞(用於動作)
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 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
- 通路 : thoroughfare; highway; highroad; route; viae; lead; outlet; approach; passage; gangway; access; c...
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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Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions
前置數據採集模塊完成16路溫度信號的採集和通訊;速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度;開關量輸出模塊通過固態繼電器對加熱管進行控制;上位機軟體採用delphi編程,實現了pid參數自整定以及無超調的溫度控制。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。The urban traffic trunk is regarded as a large system, and the subsystems are the intersections in the trunk. then we desipi a two - level coordinated fuzzy control method and use ann to implement the fuzzification, fuzzy inference and defuzzification. the arithmetic homs the strongly self - adapt, self - learning and fault - tolerant function
3 )把城市交通干線作為一個大系統,子系統為干線上的各個交叉口,在此基礎上,設計了一種城市交通干線的兩級模糊協調控制演算法,並用bp神經網路實現控制器的模糊化、模糊推理和清晰化三個部分,系統具有較強的自適應、自學習和容錯性。Furthermore, in order to supplement multi - object tt & c capability of new generation space tt & c system, gmsk modulation is recommended by ccsds because of its preferable frequency speciality and miscode performance. the thesis analyzed characteristic and demodulation realized of gmsk signal. attempting to design a universal multi - mode demodulator of bpsk, qpsk and gmsk, the thesis studied
本文分析了gmsk信號的特點及解調實現,試圖設計一種bpsk 、 qpsk 、 gmsk通用的多模式解調器,因而研究了調制識別技術,分析了以決策論為基礎的三種信號的調制識別方法,並提出了基於人工神經網路的調制識別方法。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits
靜態、動態測試實驗表明:該控制系統,不僅硬體線路大為簡化、體積小、通用性強,能夠很好地實現對原型調速器及原動機自平衡特性的模擬,而且與模擬電路的設計方案相比,整個系統的控制精度、可靠性和穩定性等大幅度提高,具有明顯的優勢。This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux
本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented
七、採用已建立的空間相位調制環路徑向剪切干涉儀及其波前重建演算法,和位相調制持性已知的兩塊液晶空間光調制器,創建了一套用於模擬產生任意畸變波前並加以檢測和反饋控制的自適應光學硬體系統,並通過臺階波前對該系統實現了像素級校準。So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results
因此論文將模糊控制和具有優越動態性能的遞歸神經網路結合起來,取長補短,提出了一種遞歸模糊神經網路控制方法,利用神經網路來實現模糊推理,可動態的調整隸屬函數的形狀、位置以及神經網路遞歸權值,並對其與pi控制器的交流調速控制系統進行了模擬比較,模擬結果表明與普通的pi控制器相比較,遞歸模糊神經網路控制器有較好的動態性能,控制器的收斂速度快、靜差小,系統在遇到參數發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯的提高。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。Vector modulators have been used in this paper to vary the phase and amplitude of signals in the in - band spurious cancellation loop of feed - forward power amplifiers ( ffpa ). in the two - tone test, 3. 5ghz ffpa developed in this paper shows more than 35db improvement in the third - order inter - modulation ( im3 ), offers approximately - 60dbc im3 output, achieves the expected goal, and meets the communication requirement
本文研製的3 . 5ghz前饋放大器採用了矢量調制器來實現前饋環路的幅度和相位調節,在雙音測試結果中,三階交調im3的改善超過了35db ,前饋系統輸出im3抑制近- 60dbc ,達到了預期指標,滿足了通信需要。Also, an if spread spectrum communication system is designed which based on 1c spread spectrum transceiver stel - 2000a and other circuits, such as qpsk modulator, high speed adc and tms320f206
並以stel - 2000a為主要晶元,配合qpsk調制器、 adc轉換器和tms320f206等外圍電路設計了一個直接序列擴頻通信系統。This paper introduces the principle and method of forced - air cooling system of transformer controlled by dsp, according to the season and load of transformer, the designed system can automatically accomplish frequency conversion and the cooling device ' s devotion by fuzzy - neural network controller
摘要介紹了以dsp作為核心控制器件的大型變壓器風冷控制系統的原理和實現方法,根據變壓器負荷、季節等變化,通過模糊神經網路調節器自動投切冷卻器組數以及是否進行變頻運行。The control of the spatial mid frequency wavefront distortion was achieved based on our cri wavefront sensing and lctv wavefront correcting system. the results of our research show that crs interferometer can be used to diagnosing the mid and low frequency wavefront distortion of a laser beam and lcslm can be used to availably controlled it
通過以上研究,說明我們建立的環路徑向剪切干涉儀可以用於icf激光驅動器的中低段波前畸變的檢測,並且液晶空間光調制器可用於它的前級中存在的中頻段波前畸變的校正。In order to make full behavior simulation of sigma - delta modulator, the noise models have been set, taking into account most of the sigma - delta modulator ’ s non - idealities and the final result supports the noise models. last, the main circuits of modulator have been designed, such as operational amplifier, comparator and clock generator, the design principle of noise - killed logic circuit has been presented. these circuits have been simulated
調制器的噪聲模型,考慮了影響調制器性能的一些主要非理想因素,通過模擬驗證了噪聲模型的正確性;最後,設計實現了結構中的主要電路,如運放、比較器、時鐘產生電路,闡述了噪聲抵消邏輯電路的工作原理,利用hspice和cadencespectre對各電路進行了模擬,驗證其功能。With optical network and optical communication development, the demand for high performance and low price optoelectronic devices is larger and larger. linbo3 modulators have been firmly established in fiber - optic transmission and information processing systems for their advantages
隨著光網路和光通訊的發展,性能高、成本低的光電子器件的需求量越來越大, linbo _ 3調制器以其高性能、低成本在光通訊和光信息處理領域占據了非常重要的作用。Only small fuzzy rules ( “ if - then ” rule base ) are selected, the fnns may be applied to approximate the unknown chaotic system. using a lyapunov synthesis approach and the parameters projection algorithm, the free parameters of adaptive fnns controller can be tuned on - line
該方法採用少量模糊規則( 「如果-則」語言規則) ,使模糊神經網路逼近系統中不確定函數;然後通過lyapunov函數法和參數投影演算法,即可在線調整模糊神經網路控制器參數。In chapter 3, the algorithm of modulation and demodulation has been given. in chapter 4, it introduces the hardware frame of the modem, which includes some chips ’ introduction and the implementation of some key circuit
第四章詳細介紹了通用調制、解擴解調器的硬體平臺的設計,包括所用的主要晶元,一些關鍵電路的設計。分享友人