function analog 中文意思是什麼
function analog
解釋
函數模擬-
With a mixed digital and analog design example, comparing with the traditional virtual instrument, it indicated that the function of modem virtual emulative instrument is stronger, the usage is close to the practice more, which represents the development direction of virtual instrument
通過與實際儀器的比較，以及具體數模混合電路的模擬分析，說明了現代虛擬模擬儀器比傳統虛擬儀器功能上更強大，使用上更貼近實際，是今後虛擬儀器的發展方向。 -
Afg analog function generator
模擬函數發生器 -
The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design
開關電容濾波器是連續時間模擬濾波器的采樣時間等效電路，更適合電路的小型化，同時也實現高精度的傳輸函數，尤其是基於雙二階的cmos開關電容濾波器設計具有高精度、面積小、低功耗和電路結構簡單，易於調試等優點，所以研究和設計開關電容濾波器有著重要的理論和實際意義。 -
This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time
本文針對plc無功調度曲線控制器，結合整個研製過程，在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述，並給出了部分程序流程簡圖（由於梯形圖網路數太多，受篇幅限制沒有給出） 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識，在設計過程中，我們查閱了大量相關的資料，在充分調查、分析、研究的基礎上，結合桓仁發電廠實際情況，首次提出並研製出了plc無功調度曲線控制器。 -
The structure, function and characteristic with the principle and method of tank gauging system are described. then the structure, principle of the circuit and the main chips of the data processing unit are introduced. after this, the software design of data processing unit including rs - 485 ( modbus ) module, 4 - 20ma analog module, on - off module, rtd module, pulse module, calculation and display module, communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized
隨后介紹了現場數據處理器的結構，電路原理，所運用的主要晶元；並重點闡述了作者在課題研究中所作的工作，即現場數據處理器軟體的設計包括八個功能模塊： rs - 485 （ modbus ）模塊、 4 ? 20ma模擬量採集模塊、開關量處理模塊、 rtd信號採集模塊、頻率量採集模塊、計算和顯示模塊、通訊模塊、 neuron晶元中的程序模塊；以及在課題研究和現場調試過程中遇到的問題及解決辦法。 -
Plc is widely used in automatic control for its strong function, high reliability, wide applicability, modular structure and etc. many customer services, such as showing process - flow charts, displaying dynamic - data - base interfaces, editing tables, generating charts, managing production and etc, can be provided by connecting personal computers ( pcs ) to a plc network. in a plc - pc system, plcs, which serves as the low - level units, are used to collect and control the data, ( for example, the on / off quantities and analog input / output quantities )
把個人計算機連入plc網路可以向用戶提供諸如工藝流程圖顯示、動態數據畫面顯示、報表編制、趨勢圖生成、窗口技術以及生產管理等多種功能，作為底層單元的plc完成對現場開關量、模擬輸入輸出量的控制處理，而利用微型計算機良好的人機對話界面和數據處理功能，實現對一臺或多臺plc進行監控，充分發揮plc可靠、靈活的控制性能和計算機在管理、監控等方面的優勢，提高控制系統的整體自動化程度。 -
In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。 -
Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input
3 .模擬輸入通道設計有量程切換電路和濾波電路，並且採用了屏蔽、浮置技術和磁耦隔離技術，使用了高性能的隔離電源和磁電耦合器，有效地抑制了輸入信號的共模干擾和噪聲，實現了安全、高速的數據採集。 -
The pulse width trigger circuit, trigger delay circuit are discussed. and a new kind of peak detection module which is implemented by verilog hdl in fpga and greatly enhances the performance of catching glitch is discussed in the dissertation. the waveform recorder function accomplished in the scopemeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time
本文討論了脈寬觸發電路和觸發釋抑電路的實現，採用veriloghdl在fpga中實現了一種峰值檢測模塊，提高了示波表的毛刺捕捉能力，設計的波形記錄（ recorder ）功能模塊能夠對輸入的模擬信號進行長時間連續不斷的采樣量化，並記錄波形數據和及時送顯示。 -
Proper analog / digital signal conversion is important if the computer system is to function accurately
正確的模擬/數字信號轉換對計算機是否準確工作很重要。 -
Models of electro - hydraulic servo valve, gear - rack swing hydraulic - pressure oil vat and torque sensor are selected in order to analog the rolling moment more accurately. the transfer function of electro - hydraulic moment servo system is presented and the system parameters are gained. at the same time, the simulation of system is studied
為了能更好的模擬海浪作用於船舶的橫搖力矩，選取了電液伺服閥、齒輪齒條擺動液壓油缸和扭矩傳感器的型號，建立了電液力矩伺服系統的傳遞函數模型，求取了系統參數，並對系統進行了模擬研究。 -
The analog input capability will enlarge from 2 to 6 channels, with supporting new temperature input function
模擬輸入從2路增加到6路，並新增溫度輸入功能 -
The x47 phase - detector is an analog integrated circuit produced by the 24th institute of the information industry department. the main function of x47 phase - detector is to detect the difference of phases of its two input signals. but it ? erformance can not be analyzed by directly using the orcad / pspice9 ? - - - - a world - wide well known general purpose simulation software, and all circuits and systems using this kind of phase detector can not be directly simulated by orcad / pspice9 either
X47鑒相器是信息產業部第24研究所設計生產的一種模擬集成電路，用於鑒別兩路輸入信號的相位，但是卻不能直接用通用的電路模擬軟體orcad pspice9分析其性能，使用x47鑒相器的電路和系統也不能直接用orcad pspice9進行模擬。 -
According to different function, the hardware part is divided into processor module, analog signals input and converting module, digital signals module, communication module, clock module and display module
按照功能的不同，硬體劃分成處理器系統模塊、模擬信號輸入和轉換模塊、開關量輸入輸出模塊、通信模塊、時鐘模塊、鍵盤顯示模塊、電源模塊。 -
Telephone circuit produce dtmf signal, receive ring signal and perform speech function. dtmf receiver lets it becomes binary code for mcu to read. analog circuit process speech signals between phone and gsm modem
固話電路提供產生的雙音多頻信號及振鈴和通話功能，雙音多頻收號電路將dtmf信號變成二進制碼，便於mcu的識別和處理。 -
Therefore, it is proved that the control with high - speed on - off valves can realize the servo control function that be carried out with analog control whose control flowrate is proportional to is value. secondly, the paper builds up the mathematics model of the normal pneumatic servo system based on the symmetry structure, and the main characteristic parameters are analyzed and then introduce the theories to increase
論文基於易於進行分析的對稱結構的高速開關閥閥控氣缸，建立了氣壓伺服系統動力機構的數學模型，分析了其主要性能參數，提出了提高純氣動伺服系統阻尼比的方法，並從理論上分析了其實現的可能性。 -
For the purpose of testing the function of extended ports, digital - to - analog conversion and analog - to - digital conversion, an auxiliary experiment board is made, it includes analog signal outputs, switch signal outputs, led circuit, eight - segment nixie tubes and a digital - to - analog conversion circuit
為了驗證擴展口、 a d轉換和d a功能，還自己製作一個包括8路模擬量輸入、開關量輸入、 8路led 、 4個數碼管和d a轉換電路輔助電路板。 -
Compared with the other kinds of field strength meter, this one also has the function to measure the electric level of the digital signal except for the analog one ' s. it is relatively cheap, multifunctional and small
與同類產品相比，該場強儀不僅可以測量模擬信號，而且也可以測量數字信號的電平，且具有體積小、功能全、價格低的特點。 -
Continuous - time filter needn ’ t a / d switch, data processing, d / a switch technique and so on to finish filtering function with analog signal like digital filter. and it needn ’ t switch action to sample data in the discrete time with analog signal like switched capacitor filter. so continuous - time filter has several advantages, such as high processing speed, simple circuit configuration, and low power consumption
對每種方法都進行了詳細的推導，總結了每種設計方法的設計步驟、適用場合，舉例用每種設計方法對具體濾波器進行了電路設計、靈敏度特性分析、失真特性分析等，並用計算機模擬驗證了電路方案。 -
Compared with analog oscilloscope, digital storage oscilloscope contains excellent trigger function, measure function and various data collection methods. it could save and copy the wave data by connecting with pc, printer, and the like. the bandwidth, distinguishability, and sensitivity of digital storage oscilloscope are all better than analog oscilloscope
和模擬示波器相比，數字示波器有著超強的觸發功能和測量功能以及多樣化的採集方式和自動量程，可以存儲波形並進行硬拷貝，通過介面與pc機、印表機等數字設備相連，其頻帶寬度、解析度和靈敏度比模擬示波器更好。
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