data amplifier 中文意思是什麼

data amplifier 解釋
數據放大器
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • amplifier : n. 1. 【電學】擴大器；擴音器。2. 放大鏡；放大器。
  1. The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals, the signal adjust circuit consist of programmable - gain amplifier and filter, and digital signal processor tms320lf2407 for data acquisition and processing in turns. provide the measuring results on lcd module. and also can transfer data to the pc ’ s rs232 for farther analyse

    採用前置電路將被測信號（電壓或電流）變換為小電壓信號，經過信號調理電路對信號進行程式控制放大和濾波后，通過tms320lf2407實現信號的數據採集、信息處理和計算，將測量結果通過液晶模塊顯示，還可經過rs232介面與計算機進行數據傳輸，做進一步的分析和應用。
  2. It integrates the functions of servo amplifier, dynamic operator, position transmitter and remote communication. many new functions have added to its original ones, such as the real - time logical judgment, malfunctions self - diagnosis, alarm & protection, led display, on - line setting and adjustment of functional parameter and position transmitter, power - absence data auto - protection, watchdog system protection, and the long - range communication with pc

    系統集伺服放大器、電動操作器、位置發送器及遠程網路式通信功能於一體，在保留對應部分原有功能的同時，還新增了邏輯實時判斷、故障實時監控、 led動態顯示數據、功能參數設置、掉電數據自保護、 「看門狗」電路保護、位置發送器在線調節、與遠程工控機數據通信等眾多功能。
  3. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。
  4. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  5. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  6. One kind of adaptive data acquisition system is constituted using computer and intelligent amplifier. the distinguishability of data acquisition system is elevated

    深入研究了小波神經網路理論，並將地震數據剖面看成是二維數字圖像。
  7. Ecg monitor module included signal collection channel and related data processing based on mcu. the signal collection channel which adopted high performance integration instrument amplifier was designed according to the features of ecg signal. msp430f149 mcu was used in controlling lead - switch, state - switch and the a / d conversion

    根據心電信號特徵，使用儀表放大器設計了高指標的心電信號採集通道，由msp430f149單片機進行控制，可選擇多導聯切換檢測，以及切換工作模式，並對模擬信號進行a / d轉換。
  8. Under consideration of the effects of the life time of nd : yag lower level on extracted energy from amplifier, a numerical model and calculation program incorporated the effects of the pulse width on amplifier energy extraction is proposed. the calculated results are compared with the experimental data of a slab mopa dpl system setup previously and then the model is modified according to experimental results

    考慮到nd ： yag激光下能級壽對放大器能量提取的影響，建立了脈寬對放大器能量提取影響的數值計算模型及程序，計算結果與已建立的板條mopadpl系統的實驗數據進行了比對並對程序進行了修正，提高了程序的可靠性。
  9. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  10. The measurement system consist of computer, 16 - channel high speed data acquisition board, spark plug pressure sensor, crank angle signal generator, charge amplifier and oscillograph. the max acquisition frequency of this system is 1mhz

    由通用微機、 16通道無相差高速數據採集卡、火花塞式壓力傳感器、角標信號發生器、電荷放大器、示波器組成的高速數據採集系統，最高總采樣頻率為1mhz 。
  11. Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board

    本採集系統採用400mhz增益帶寬積的運算放大器，運用da高精度校準技術，並選用高采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計，既保證了數據採集系統的信噪比，又提高了系統測量精度。
  12. Based on the pre - amplifier circuit board of the data acquisition & control ; system of the industrial ct, this paper explains how to use cpld to control the timing of ddc112

    摘要結合工業ct的數據採集控制系統的前置放大器電路，分析了利用cpld對電流積分型前放晶元ddc112進行邏輯控制的方法。
  13. The whole circuit includes memory array, decode, sense amplifier, data in - out circuit and pre - charge circuit

    電路包括存儲陣列、譯碼電路、敏感放大器、數據輸入輸出電路，預充電電路等部分。
  14. The precision amplifier and sixteen bit analog / digital ( a / d ) convertor ad7677 are used in designing data collection module which can convert range automatically

    選用高性能運算放大器及16位模數轉換器ad7677完成了帶有自動量程轉換的數據採集模塊的設計。
  15. This paper introduces the design of a data acquisition circuit of the loading - capacity limiter, and analyzes on the error of the pressure sensor, power source, instrument amplifier ad620 and a - d converter

    介紹了一種起重量限制器的數據采樣電路的設計，並對壓力傳感器、電源、儀表放大器ad620 、模數轉換器誤差進行了分析。
  16. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性， system - one （ two ）頻譜整形濾波器及24位a d的特點，對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡濾波器的理論設計，程式控制型前置放大器的理論分析與設計。
  17. The framework of the instument is analyzed firstly, and the paper focuses on the ecg pre - amplifier design, the data acquisition module based - on isa bus with multi channel inputs is realized, the system software that can fulfill the data acquisition, display and communication is also designed. the two patterns of the network communication is introduced in detail

    本文首先分析了智能網路型心電圖系統的結構，重點敘述了前置隔離型心電圖放大器的設計，研製了具有定時采樣功能的多通道數據採集系統，編制了集采樣、實時波形顯示、測量及網路通信等功能於一體的系統軟體。其中對心電圖儀網路通信部分的兩種模式作了詳細介紹。
  18. We also magnify the signal with new ic amplifier, deduct yawp counters, design system to desl with data, total system is control by singlechip and can count in fastness time range and deal with data

    用max4416放大器件作為前置放大器，用max900系列比較器件作成窗口比較器，用高速器件74ls393兩片作成16位的計數器，用單片機89c51讀取數據，並處理后顯示在液晶顯示模塊上。
  19. Seismic wave ' s property is studied and seismic sensor ' s selection and setup are discussed at first. then, several parts are designed include the prep - amplifier, low pass filter data acquisition of the core of system and the serial interface between dsp and pc. finally, the disquisition presents some measures of anti - interference

    文章首先研究了地震波的特性並對地震檢波器的選擇與安裝進行了討論和設計，接著討論了系統前向通道包括前置放大、低通濾波環節的設計，系統核心數據採集部分vc5402與a d轉換介面以及與pc機串列通信介面的設計，最後介紹了dsp系統抗干擾的一些措施。
  20. Data already often move between electronic and photonic forms at the periphery of a computer system, on their way to or from a cd or dvd, display monitor, mouse, camera, stereo amplifier or fiber - optic network

    在電腦系統的周邊設備里，資料已經常在電與光的形式間變換，例如進出cd或dvd 、顯示器、滑鼠、照相機，立體聲擴大機或是光纖網路。
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