進位完成信號 的英文怎麼說
中文拼音 [jìnwèiwánchéngxìnháo]
進位完成信號
英文
carry-complete signal-
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。Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal
變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電,採集傳感器信號並進行線性化、溫度補償等處理,完成密度、體積和質量等參數計算,將數據輸出到modbus現場總線測控網路,根據需要現場顯示計測量參數。The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode
現場總線技術的發展使得lonworks技術脫穎而出,本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響,對lonworks技術的技術核心:神經元晶元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述;重點介紹了集先進的計算機技術、通信技術、控制技術為一體的智能小區安防節點的開發與研製,對節點硬體電路的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序,主要負責對各種現場信號進行採集、處理及控制,工作在并行從a方式下的神經元晶元mc3150作為從處理器,主要完成與現場網路上的各節點及中心控制室之間的通信工作。In recent years, the worldwide researchers pay much attention to fourier telescopy. it is an active imaging technique that encodes the information in the temporal instead of spatial domain, then receives the speckle and deposed of it to reconstruction the object image. now, the high - resolution technique is under the condition of deeply researched
它是一種主動式干涉成像技術,這一技術通過時域內的相位的調制完成直線條紋對目標的掃描,從而達到對深空目標頻譜的抽樣,然後接收其散射回波,對回波信號進行處理,進而還原出目標的像。At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb
首先在傳統的頻域波束形成演算法的基礎上,提出對寬帶信號的頻率補償,也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償,然後對各陣元輸出求和來得到方位估計;其次將連續小波變換引入到空間?頻率處理中,從而完成對目標方位的估計,並進行了相應地補償。The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理,設計了浮動閾值二值化處理電路,採用兩路計數器對輸出脈沖信號采樣計數,最後送入微處理器進行運算處理,可實現測量值的儲存、顯示等,並設計了與上位機的通訊介面。The primary aim of the single chip microcomputer circuit of this project is data collecting, it applied the invention monopoly of professor zhang guanghui and professor peng donglin of chongqing university, make use of the high frequency inserted pulse, and join together the software to constitute subsidiary calibration distributed on equal time, complete the task of on - line subdivision in the dynamic measure process, finally up pass the data to pc, pc handle it and get examination result
下位機是硬體集成電路,利用重慶大學張光輝教授、彭東林教授的發明專利「計算機對脈沖信號的細分與辨向新方法」 ,附加頻率極高的外部插入脈沖,結合軟體構成按時間均勻分度的輔助標尺,實現動態測量過程中采樣點的實時細分,最終完成數據採集任務;上位機主要是軟體部分,利用pc機接收下位機的採集數據並進行分析處理,得出檢測結果。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。Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4
本文的主要工作如下: 1 .研究了探地雷達回波信號雜波及背景去除演算法,改進了一種基於a - scan信號強度的自適應滑動平均法; 2 .改進並完善了探地雷達數據採集處理軟體,加入了定位輪控制數據採集、數據格式轉換、目標距離測定等程序; 3 .研究了探地雷達目標成像演算法,利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized
為了提高實時性,對交流采樣演算法進行了簡化,並提出了由於非同步順序采樣所造成的相位誤差的補償演算法;針對轉速、轉子位置角等脈沖寬度信號的測量,深入分析了測量原理,設計了基於isa總線的智能介面卡;編制和調試了基於c + +的全部測量控製程序;完成了整個系統的調試,並總結了調試方法。In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected
論文首先闡述了激光測距和調制信號源的基本原理,分析了影響測距精度的因素,指出應用dds技術可以實現寬帶、高精度的調制信號輸出,說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法,採用這種檢相技術,可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計,並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計,並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。The computer program is designed by visual c + +. the mscomm controls are added to receive the data. the rotor speed, the axis track and limited speed can be measured, and the curves can be displayed on the computer
我們用at89c52作為微處理器,採集信號並進行相應的處理,通過一條串列總線傳給上位機,上位機的軟體由visualc + +編制,採用多個mscomm控制項對各個實驗項目的數據進行接收,可在線完成轉速、軸心軌跡及臨界轉速的測量,並繪制曲線。The system is able to complete the data sample of 32 signals input, and has the ability to sample simultaneously of per 4 signal inputs. the conversion is 8 bits, and the sample rate of per channel is not less than 400hz. in addition, this data conversion system also have the ability of data storage without power supply, and the data size in flash memory is amount to sample 5s " of 32 signal inputs
整個採集系統完成對32路輸入信號的采樣,而且可對每4信號路進行同步采樣, ad轉換精度為8位,每路信號采樣率不低於400hz ,另外系統還具備斷電數據保存功能,採用flash存儲器保存5秒的采樣數據,同時也具備與計算饑的epp并行通信介面。Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion
該卡以ti公司的16位定點數字信號處理器tms320f240為核心晶元,實現6路編碼器信號輸入處理,軸限位中斷處理,通過雙埠ram與pc進行通訊,接收pc發送過來的控制指令和數據,完成插補運算、聯動運算等控制,通過d / a轉換電路,將結果轉化為模擬電壓送伺服放大器驅動電機。This thesis discusses on the post - processing of sonar signal which includes the search and location of the target, the pattern recognition and the neural networks classification, and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network, which helps to develop the sonar image processing and the image processing of other fields
本文在完成課題中的顯示控制任務同時,對聲納信號後置處理,包括目標的搜索定位以及模式識別和神經元網路識別等內容,進行了論述,並利用後置圖像處理程序對正樣機海試數據進行處理,驗證了bp神經元網路下模式識別方法在水聲圖像處理方面的有效性,有助於聲納圖像處理以及其他領域圖像處理的發展。It ' s abilities to matrix caculation stand out. using matlab to analyse and process signal can fulfill heavy compute task and greatly improve efficiency. the analysis and process of vibrantion signal is based on the hardware of the data collection system and carried out by softwork
Matlab語言以矩陣和向量為基本數據單位,其矩陣計算能力十分突出,用該語言進行信號的分析與處理設計效率高,能實現多種信號分析與處理演算法,並完成龐大的計算任務。In order to monitor power network, this paper presents a new design of a harmonic test apparatus for power system based on dsp and rabbit 3000. the apparatus on the spot performs mathematics and numerical processing including fft and so on to voltage and current sign and transfers data to pc. data can be stored, show, query, summary and printing and so on. the complete test monitor system of harmonic is made up of monitor apparatus, pc and network
為了能夠對電網的運行狀況進行監測,本文提出採用dsp技術和rabbit3000模塊設計一種電力系統諧波監測儀。該諧波監測儀被安裝在檢測現場,對電網電壓和電流采樣信號進行fft等數學運算和處理,並通過數據機將處理后的數據傳送到上位機,上位機可以對數據進行存儲、顯示、查詢、匯總、列印等。監測儀與上位機以及網路構成了一套完整的諧波監測系統。As well as the stepping motor, pulsating wave signal is used to control directly so as to fulfill the speed control and positioning rolling with
與步進馬達相同可用脈波信號來直接控制,故可簡單完成高精度之速度控制及定位運轉。The method was correlate search and fft carrier detection, which could solve the problem of the capture of the spread spectrum code under the condition of low snr and big frequency offset. we also put forward a method, shift receiving window and correlate with local sequence, which not only could solve the problem of symbol synchronization but also could acquire the statistics of the multipath. then we utilized the results of the channel estimation and the technology of rake receiver to decode the received spread spectrum sequence and acquire rude information
方案中提出了:相關搜索、 fft檢測信號載波的方法,解決了低信噪比、大頻差條件下擴頻碼的同步捕獲難題;滑動相關完成位同步的方法,解決了低信噪比下的同步問題;在時域利用相關進行通道估計,然後利用rake接收技術完成相關解擴的方法,一定程度上解決了多徑衰落影響解擴性能的問題。The main features and applications of the lfmcw radar in the radar altimeters, automotive highway monitoring systems, warship navigation systems and other areas are reviewed first. based on the relevant research results, the liquid level measurement system are researched, included system design, the selection and computation of important parameter, the research of signal processing arithmetic, the development of hardware, the software realization of arithmetic and the debugging of signal processing system. the main research work and results can be summarized as follows : 1
本文首先介紹了lfmcw雷達的特點以及應用,分析了液位測量雷達的測距原理以及距離解析度的影響因素,然後重點研究了lfmcw液位測量雷達系統設計考慮關鍵因素,完成了lfmcw液位測量雷達系統的設計方案和指標論證,提出了該雷達系統差拍信號處理演算法,並編寫軟體實現了該演算法,然後利用開發板實現了信號處理樣機,對信號處理演算法進行了驗證。分享友人