混合信號模擬 的英文怎麼說
中文拼音 [húngěxìnháomónǐ]
混合信號模擬
英文
mixedsignal simulationn- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。Voltage reference is a vital basic module which is widely adopted in analog circuits ( mixed signal circuits ). its temperature stability and antinoise capability influence the precision and performance of the whole system
電壓基準源是模擬電路(混合信號電路)設計中廣泛採用的一個關鍵的基本模塊,它的溫度穩定性以及抗噪性能影響著整個電路系統的精度和性能。The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。The circuit is used in high resolution resistance measuring. the coupled chaotic circuit array composed of this circuit is researched by computer simulation and circuit experiment. results show that, it is feasible to improve the stability of orders of chaotic systems and reduce noise in measuring by coupling
最後,對以這種單電源驅動的混沌電路為基本單元所構成的耦合混沌陣列在提高系統輸出的穩定性和抑制噪聲作用方面,進行了計算機模擬研究和實際的電路實驗研究,結果顯示通過耦合的方式,可以將信號檢測的精度提高近一個數量級。Among the many testing methods of analog and mixed signal circuits booming up in recent years, the pseudorandom testing technique is easier to generate testing stimuli and the current - based testing method could magnify the response differences between fault - free circuits and faulty circuits
近年來提出的很多種模擬及混合信號電路測試方法中,偽隨機測試法易於產生測試激勵,基於電流的測試法能使正常電路和故障電路的頻率響應的差別增大。It establishes the foundation for the continuous rotor position detection. in chapter 3, according to the model, two - phase hybrid stepper motor as a position sensor is designed. it is implemented in an environment composed of matlab, simulink and real - time workshop
第三章,根據二相混合式步進電機的發電模型,利用matlab simulink模擬軟體及其信號採集硬體系統,對步進電機實浙江工業大學碩士學位論文現連續角位移測量傳感器進行了設計。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。The part trajectory planning and control : the simulating table " movement trajectorys are planning. the overall control structure for control the simulating table is brought forward. the fully integrated mixed - signal system - on - a - chip " c8051f020 is introduced simply, and design lower level controller with it
軌跡規劃和控制部分:規劃了模擬轉臺的運動路徑,提出了控制模擬轉臺的總體控制結構,簡單介紹了構成下位機的混合信號處理級單片機c8051f020 ,並設計了軟體的總體結構及其流程圖。Vhdl analog and mixed - signal extensions - packages for multiple energy domain support
Vhdl模擬和混合信號擴充設備.多重能量域支撐用組件Standard vhdl analog and mixed - signal extensions - packages for multiple energy domain support
標準vhdl模擬和混合信號擴充設備.多能量域支持用組件Secondly, a network based on multi - terminal components modeling methodology was applied to model mems at system - level by the analogy and mixed - signal modeling tool of vhdl - ams, for the system - level model of mems is a mixed signal model, which has attributes of multi - energy domains coupling, multi - signals mixed and interacting between discrete - event subsystems and continuous - time subsystems. with this method, the whole system can be divided into some subsystems defined as multi - terminal components ; the behavior of the subsystems depends only on their terminal signals ; the information exchange between subsystems was done by the signals at their terminals. the continuous - time systems or discrete - event systems can be modeled and simulated with this method, which satisfied the requirements of nonlinear systems and large signals analysis
同時,針對mems的系統級模型是一個混合信號模型,具有多能量域耦合、多信號混合、離散事件子系統與連續時間子系統交互的特點,使用vhdl - ams作為混合信號模型建模的工具,採用多埠組件網路建模方法建立了mems系統級模型,把微型機電系統分解為多個子系統或組件,各子系統被定義為多埠組件,子系統的內部行為通過其埠行為來描述,子系統間的能量與信號的交換通過組件的埠映射來實現,從而實現了對連續時間系統和離散事件系統的建模與模擬,滿足了非線性系統以及大信號分析要求。Supertex, inc. is a technology - based producer of high voltage analog and mixed signal semiconductor components, primarily to interface between low voltage computer signals and high voltage applications in the real analog world
超科公司是一家以生產高電壓模擬和混合信號半導體科技為基礎的公司,主要應用在低壓的計算機信號同高電壓模擬領域應用電路的介面產品。In this method, the mems design flow from the system level to device and process level was established and proved by the design of micro gyroscope. in the system level, the system modeling characterized by multi - discipline was simplified and solved by lumped - parameter modeling and nodal analysis method. the mems component library was constructed through analog hardware description language
首先,針對mems系統級設計的多學科交叉的特點,提出了以集中參數建模方法解決mems系統的功能建模,以節點分析法解決不同功能元件的結構實現,以混合信號硬體描述語言作為系統建模和模擬的基礎,並以此建立mems元件庫。Nowadays, there are two kinds of implementation methods of chaotic signal generator. one kind is realized by analog line and it is very sensitive to circuit inherent parameters as well as signal recycled error, so it is relatively difficult to realize actually, the other kind is realized by digital line and it can generate well real - time discrete array, so it is more suitable for the application in communication
目前混沌信號發生器的實現方法有兩種:一種是由模擬電路實現,它對固有參數及信號再生的誤差很敏感,實際實現較困難;另一種是由數字電路實現,它產生的離散時間混沌序列實時性好,更適合在通信中應用。( 2 ) a new digital frequency - hopping communication system based on cipher - quasi - chaotic sequence is proposed, which combines the cryptography and frequency - hopping technology. the system ' s protocol, base - band signal processing and modulation / demodulation algorithms of the radio - frequency part are designed, and the hardware experiment conducted on a prototype of the system show that the system functions well. the finite precision problem arising while taking use of chaotic signal to generate pseudo - random sequence is studied and the anti - tracking capability of the cipher - quasi - chaotic sequence is studied with the volterra - tls method proposed in this dissertation
( 2提出一種新的基於密碼準混飩序列的密碼與跳頻技術相結合的跳頻通信系統,並且進行了協議部分、拂信號處聊分、射頻調制解調演算法部分的模擬研究和系統的硬體實驗研究;研究了利用混飩信號產生偽隨機序列的有限精度實現問題,利用本文提出的m業肚m 113方法對密碼準混飩序列產生的跳頻碼的抗鵬干擾能力進行了模擬實驗研究。The main contents are as follows : the structure of mixed - signal circuit which newly - defined in ieee1149. 4 std is analyzed in detail, especially anolog boundary module and test bus interface circuit. on the basis of mixed - signal boundary scan technology, a scheme of mixed - signal boundary - scan test system is presented and the hardwares are implemented, including the controller and display unit
主要研究的內容以及所作的工作如下:詳細分析了ieee1149 . 4標準中針對混合信號電路測試新增的結構,即模擬邊界模塊及測試介面電路。基於混合信號邊界掃描技術標準,提出混合信號邊界掃描控制器的設計方案並實現了其硬體設計,包括邊界掃描控制模塊、顯示驅動模塊等。The criminal complaint quoted volterra ' s vice president of design engineering david lidsky as saying the transmitted information about the firm ' s 1100 - series products " related to the design of high - performance analog and mixed - signal power management semiconductors.
起訴材料引用volterra公司負責產品設計的副總裁戴維話說,蔡先生盜竊的資料都是該公司1100系列產品中「有關高性能模擬和混合信號功率管理半導體的設計技術」 。Present technology offers no cure for this problem, which also limits the performance possible from broadband monolithic mixed signal ics having analog and digital circuitry on a single chip
目前的工藝尚無法解決這個問題,同時這個問題也制約著寬帶單片混合信號電路(在一個晶元上同時存在數字電路和模擬電路)的技術進步。The advantages of the two methods are combined together in the pseudo - random current injection testing method, which improves the efficiency and correctness of the test, and which is much more operable, thus it is very applicable in built - in - self - testing of analog and mixed signal circuits in system chips
偽隨機注入電流測試法結合了兩種方法的優點,提高了測試的效率和正確性,實現時簡單易行,非常適合於系統晶元中對模擬及混合信號電路的內建自測試。The construction graph of the ant colony optimization ( aco ) algorithm is revised to solve traffic control problems. and the aco algorithm is improved further to obtain better search efficiency in large - scale traffic control problems. finally, on the simulation and analysis system for urban mixed traffic ( sasumt ) that was developed by zhejiang university, the two utaccss are compared and analyzed in the cases of an isolated intersection, an arterial road and a traffic region
本文主要在這三個方面進行了深入研究,相應地建立了配時參數協調優化和信號相位滾動優化兩種主要的基於模型的utaccs控制演算法,通過設計蟻群優化( antcolonyoptimization , aco )演算法的解構造圖使其能夠應用於交通控制問題的求解,並且改進aco演算法以提高其在大規模交通控制問題上的搜索性能,最後在浙江大學自主研發的城域混合交通模擬與分析系統( simulationandanalysissystemforurbanmixedtraffic , sasumt )上從單點控制、干線控制及區域控制不同層次對所建立的兩種控制演算法的控制效果進行了比較和分析。分享友人