數字測試器 的英文怎麼說
中文拼音 [shǔzìcèshìqì]
數字測試器
英文
digital tester- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 試 : 名詞(古代占卜用的器具) astrolabe
- 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
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
- 測試 : test; testing; checkout; measurement
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For example : the high frequency digital oscilloscope, the appropriative debugging, tests computer, eprom read - write, the multimedia computer video frequency signal generating device, the digital camera, dmm, weatherometer, the wave ridge welding machine and so on
如:高頻數字示波器專用調試測試電腦eprom讀寫器多媒體電腦視頻信號發生器數碼相機數字萬用表器件測試老化臺波峰焊機等等。Take testing the typical circuit of vs1 - based control board for example, we discuss in detail the principles and methods of using the so - called system to test the breakdown
重點介紹利用數字示波器和計算機系統組成的故障測試系統對工業設備動態響應過程的檢測方法。The tested signals is entered into the digital oscillograph and output the analog signals. in the base of known patameter of time domain, the signals is transform by fft
將測試信號首先經過數字示波器重現模擬信號,在已知時域參數的基礎上,對信號進行fft變換,最後實現對信號的頻域測量。Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm
最後,對加工出的毫米波四位數字移相器進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內,最大相移誤差小於10 ,插入損耗小於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。But, with the development, it can ’ t meet the need of modern manufacture more and more. as a result, handhold digital storage oscilloscope is studied. handhold dso is an important genre of digital storage oscilloscope, it ’ s outstanding feature include small form, use battery instead of ac supply for power, and include the whole function of dso while implementing the basic function of multimeter. handhold dso can measure wave range automatic, analyze wave use cursor, measure resistance 、 diode and short circuit if choice digital multimeter
手持式數字存儲示波器是數字示波器的一個分支,它具有體積小、重量輕、便於攜帶、電池供電、無須外接交流電源等優點,它集數字萬用表( dmm ) 、數字存儲示波器於一體,可自動對信號進行幅度的測量,也可用光標對波形進行分析,同時還可以通過菜單選擇來實現對電阻、二極體以及電路通斷的測試;可以選擇觸發通道和觸發模式。2. the design of low - level driver of powerpc 405. after thoroughly collecting and consulting the latest information in the field of sopc, in this thesis we choose fpga embedded powerpc405 processor hardcore to construct the demanded sopc system, which manages to meet the application demand between
論文課題在認真深入地調研了國內外sopc領域的最新資料后,選擇了嵌入powerpc405處理器硬核的fpga片上可編程系統,解決vxi介面與本地ram控制器的通訊和靜態存儲器存儲控制等方面的應用需求,通過powerpc硬體設計和底層驅動軟體編程,構建了滿足設計需求的高速數字測試系統。Standard test method for speed and distance calibration of fifth wheel equipped with either analog or digital instrumentation
裝有模擬或數字測量儀器的測速輪的速度及距離校準的標準試驗方法" whole - reservior sampling tester " and " multi - layer sampling tester for producing wells " are large - sized and new - style formation test apparatuses used for exploration wells and producing wells, which are automatic and digital
摘要全儲層取樣測試器和生產井分層取樣測試器是用於油氣裸眼勘探井和生產井的自動化、數字化的大型新式地層測試儀器。According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified , modularized and parameterized design , the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given , the stability of filters and the effects of quantification of coefficient are also analyzed
以iir數字濾波器的基本理論為依據,結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點,確定了iir數字濾波器的硬體實現方案;按照層次化、模塊化、參數化的設計思路,採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計;本文給出了iir陷波濾波器和低通濾波器兩個設計實例,對設計的濾波器都進行了穩定性分析和系數量化影響分析;最終將完成的iir濾波器的硬體設計配置到晶元中,並在製作的實驗電路中進行了實際濾波效果測試。One - wire bus is a new technique based on cdma and std. it has simple structure, low cost, direct control via computer or microprocessor and simple program. the new type of one - wire digital sensor, which is integrated with thermometer, a / d, controller, rom, ram, can communicate with server computer through 1 wire and without any other accessories, moreover, 64 sensors can share one single line which makes system structure concise and easy
新型的單總線數字傳感器集成了溫度檢測、 a d轉換、控制器、 rom 、 ram 、單線雙向數據傳送等功能於一體,只需要1根數據線,無需其他輔助器件即可實現傳感器與主機間的數據通訊,而且多達64個數字傳感器可以共用該數據線,使系統間的連接非常簡潔,適應于低成本的多點測試、集中控制系統。This paper detailedly describes the design principle and method of the instrument driver, and puts emphasis on design thought and flow design and implement method. the file transport protocol is a important point in this part
本文詳細介紹了儀器驅動器的設計原理和方法,並重點介紹了高速數字測試模塊儀器驅動器的設計思路、流程設計和實現方法,對自行設計的文件傳輸協議進行了介紹和分析。The emulation and application of general digital integration circuit based on hpvee
的數字電路器件模擬及其在測試上的應用This module is dramatically improved on data speed between chips and boards compared with normal digital test devices. because of the improvement on data speed, signals can be distorted easily during transmission, such as glitch, distortion
該測試模塊較傳統數字測試儀器,晶元內部、晶元之間以及電路板間相互通信時的數據速率都有大幅度的提高。Digital recorders for measurement in high - voltage impulse tests
高電壓脈沖測試中測量用數字記錄器Manufactures position sensors, transducers and instrumentation for linear and rotary position measurement and control
-高精度數字測試儀器的研發生產和銷售。The pulse / pattern generator has been wildely used in modern measuring and controlling fields, it can generate kinds of standard pulse signals and programmable user data to meet some special digital measuring requirements. and the digital waveform generating part, which can generate digital waveforms in given working modes, is the core of a pulse / pattern generator
脈沖/數據發生器是現代測量與控制中常用的信號源,它可以產生各種標準的脈沖波形和具有一定編碼規則的用戶數據,用來滿足特定數字測試要求,而數字波形產生部分是脈沖/數據發生器中的核心部分,承擔著產生各種模式的脈沖數字波形的任務。The design of multiple in system programmable digital testing system
多種在系統可編程器件數字測試系統However, the logic analysis instrument captures data rapidly and replays slowly and this mode goes against real - time processing, not to mention the real - time cooperation between digital signal generator and logic analysis instrument. thus more powerful high - speed digital testing instruments are needed
但邏輯分析儀是採用快速捕捉,慢速回放處理方式,難以實現實時處理,更難以實現數字信號發生器和邏輯分析儀復雜的實時聯動配合,所以現代數字測試系統中需要功能更為強大的高速數字測試儀器。This high speed digital test module is based on the vxi bus structure and specified on multi - channel and high speed aspects ; it is also capable of generating the stimulant signal and collecting the responded data ; meanwhile because the relationship between stimulation and response can be programmable, the module is highly intellective and it helps the testing system work more automatically ; what ' s more, with the good functions like real - time comparison, branch, single step, pause, trigger, it makes the testing more efficient as well
本實驗室設計實現了高速數字測試模塊,該模塊是採用vxi總線結構的儀器,具備以下功能:多通道,高速度;同時具備產生激勵信號和採集響應數據的能力;能夠通過編程在激勵和響應之間建立起因果聯系,使整個測試過程體現出一定的智能性,大大提高測試系統的自動化程度;具有實時比較,實時跳轉,單步,暫停,觸發等功能,使測試過程更加快速和靈活。分享友人