數字探測器 的英文怎麼說

中文拼音 [shǔtàn]
數字探測器 英文
digital detector
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
  • : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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
  • 探測器 : finder; detector; seeker; sounder; probe
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. Design of digital pulse shape discriminator for phoswich detector

    復合晶體化波形甄別的設計
  2. This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character

    本文對燃油管理系統的工作原理和可靠性設計等問題進行研究,以明晰燃油管理系統的總體設計思路;並對式燃油量量、燃油質量特性計算、燃油密度量、提高燃油量量精度的措施、油箱油量傳感安裝位置優化等具體技術展開研究;提出了一種基於catia軟體的燃油質量特性計算方法;論文最後討了燃油管理系統的未來發展方向。
  3. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢技術和先進的虛擬儀技術、信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自動化傷中1k / s的重復頻率和實時報警的要求。
  4. For better understanding the structure of insect community aloft and how it interacted with the insect community near the ground, especially the effects of the wind - borne migration, observations were conducted with a searchlight trap on an island ( 38 23. 200 " n, 120 54. 500 " e ) in changdao, at the center of baohai channel, in 2002, and with a digital entomological radar and a twin light - trap ( simultaneously operated searchlight trap and ground light - trap ) at a site in langfang ( 39 30 ' 42 " n, 116 36 ' 07 " e, 28 m asl ), in the vicinity of beijing, in 2001 and 2002

    為了更好地理解空中昆蟲群落的結構及其如何與近地昆蟲群落相互作用的,尤其是風載遷飛的效應, 2002年在渤海海峽中間的長島縣一小島( 3823 . 200 』 n , 12054 . 500 』 e )上使用照燈誘蟲進行了觀; 2001和2002年我們使用昆蟲雷達和姊妹燈(同時使用的照燈誘蟲和地面燈誘蟲)在北京附近的廊坊( 39 30 42 n , 116 36 07 e , 28masl )進行了觀
  5. 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,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,實現了控制與多外設的介面及信號的串並轉換;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,開發了裝置主機及的軟體程序。
  6. We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip. we utilize dam6416p board and ccs2. 2 software to put up a micro - dot simulation system

    本文完成了該檢系統的初步索:根據幾何光學原理,設計了成像光路的方案;完成所需圖像傳感分辨能力的計算和型號的選擇;完成了信號處理晶元的選擇,及對模擬開發系統的學習和初步應用,並利用基於tms320c6416晶元的dam6416p模擬開發版和集成開發環境ccs2 . 2 ,搭建了一個顯微網點處理系統,從而驗證了系統的可行性。
  7. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無線高頻技術微電腦cpu控制主機組成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,立刻發射無線編碼信號,安裝在距防區150米以內的主機立即發出警笛聲報警,報警時撥打預先設定的聯網中心號碼或報警電話手機號碼,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網路來實時傳遞布防撤防報警等狀態,通過電腦網路來查詢歷史記錄。
  8. In this paper, we focused on the application research of the multiple element detector, which is used some type of infrared guidance missile. in view of the digital signal processor, the theoretical study, the scheme for application and the simulation research of this infrared guidance system is studied in detail

    針對某型採用紅外多元進行目標的紅外製導導彈系統,本文深入、系統地分析和研究了紅外多元的工作原理,並從信號處理( dsp )實現的角度,著重開展了有關利用信息處理技術進行目標的位置偏差解算演算法以及提高此型導彈的抗干擾能力方法的研究。
  9. 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技術擴展了儀試范圍和功能,另一方面也意味著自動控制量的增加和據處理量的增加; ( 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,板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。
  10. Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement

    傳播聲時是整個量系統中的關鍵量,其量水平決定應力的量精度,對此本文採用時間-轉換( timetodigitalconvertor , tdc )完成高精度時間間隔量,在實現過程中又分別採用「單端發射-雙端接收」的頭布局模式和「過零檢」手段來降低系統檢誤差。
  11. Abstract : this article summarized recent advancements of some outstanding new digtial systems for lungs radiiography, namely : digital radiography using wtorage phosphors, selenium detecting systems, realtime wubstractive radiography ect, and also an evaluation of some relevant monitors

    文摘:本文總結了胸部射線攝影一些成就突出的新成像系統的近年進展情況,如:基於熒光儲存系統的射線攝影、硒系統、即時減影技術等,並提出了對配套應用的幾種監視的評價。
  12. An attempt is made to explore self - induced emf in theory by a quantitative means, and to demonstrate the corresponding contents or its experimental design by using the instruments such as voltage effect and digital oscillograph

    摘要用定量研究的方法,從理論上對影響自感電動勢產生和量的因素進行了討分析,同時用「電壓效應」和示波等儀對相應內容進行了演示或驗證性實驗。
  13. The phase noise of a phase - locked vco will be at least 6db worse than the phase noise of the divided reference for each octave between the comparison frequency and the vco output frequency

    大部分相位在兩個輸入一致的模擬輸出變化不超過的小范圍有死區。
  14. The products of hg genuine cover semiconductor laser and detector chip, active device, transceiver that are widely applied in communication and optical sensors

    公司產品包括半導體鐳射管芯、光電子件、光收發模組三大系列,主要應用於、模擬通信以及光傳感等領域。
  15. 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

    討可靠性設計與可靠性保障技術時,提出了石油井儀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,建立了石油井儀的可靠性系統模型,討了石油井儀的可靠性指標及其獲取途徑,提出了推薦使用的石油井儀可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀的穩定工作時間( mwture ) 。在研究據處理方法時,闡述了伽瑪信號的特徵,對量誤差類型進行了統計檢驗;介紹了濾波的基本理論、濾波方法的概況,並進行了分析;對伽瑪信號濾波效果的影響因素及其對井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢與處理兩個方面,建立了濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的濾波方法及效果評價方法;討了自然伽瑪信號濾波的設計方法,提出了適合自然伽瑪井的混合濾波方案,討了混合濾波方案的實現途徑;通過對部分濾波方法的定量研究,給出了靈活可選的濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像井系統,對自然伽瑪據進行濾波處理。
  16. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢原理設計了一套由單色儀、鎖相放大和計算機聯合使用的透射式偏光鏡消光比智能化試實驗系統,採用雙頻雙光路分光單接收鎖相放大分離信號比對法進行源補償量,克服了光源光強漂移所帶來的影響;實現了可見光區消光比的精確自動量,而且可以得近似的消光光譜。
  17. In practical application, due to the parameter accuracy of two point temperature correction is limited by readout circuit noise 、 dynamic range 、 analogue to digital converter word length and calculating noise, the performance of focal plane array detector is not the performance it should be

    目前實用性較好的兩點溫度定標法的校準系精度受讀出噪聲、信號動態范圍、模轉換長和運算噪聲的限制,很難使焦平面的空間殘留噪聲達到應有的精度。
  18. Digital holography is a new imaging technique that uses a charge coupled device ( ccd ) camera for hologram recording and a numerical method for hologram reconstruction. this paper presents the concept and underlying theory for digital holography and its applications in 3 - d object reconstruction and optical metrology

    全息術以ccd等光電件記錄全息圖,用值方法再現全息圖,它是綜合光學全息原理和計算機技術、電子技術以及圖像處理技術發展起來的一種新型全息成像技術。
  19. The calibration of infrared staring imaging systems is to acquire the accurate quantitative relation between it ' s digital output and radiance energy of objects

    紅外凝視成像系統輻射定標就是在系統焦平面陣列單元的化輸出與其接收的目標紅外輻射之間建立精確的定量關系。
  20. If the optical system with ccd sensor is regarded as a spatially invariant linear system, the convolution of point spread function and the object image results in error on theory. since ccd sensor imaging is digital imaging, in this article, the image quality and resolution of the ccd sensor imaging is simulated and analyzed

    鑒于ccd成像是化成像,所以本文採用計算機模擬和ccd相機模擬成像試驗及理論分析的方法對ccd的目標影像的分辨力與ccd像元分辨力的關系及像質進行了研究並獲得如下主要結論。
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