本文關(guān)鍵詞：工業(yè)X-CT用新型X射線探測器性能的模擬研究，由筆耕文化傳播整理發(fā)布。

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儀器儀表工業(yè)

核科學(xué)技術(shù)

天文學(xué)

生物醫(yī)學(xué)工程

物理學(xué)

醫(yī)藥衛(wèi)生方針政策與法律法規(guī)研究

自動(dòng)化技術(shù)

臨床醫(yī)學(xué)

化學(xué)

x-ray detector

    Research on image restoration about X-ray detector

    X射線探測器圖像的恢復(fù)研究

短句來源

    Performance Simulation Study for Novel X-Ray Detector Used in X-Ray Industrial Computed Tomography (X-ICT)

    工業(yè)X-CT用新型X射線探測器性能的模擬研究

短句來源

    The first Si (Li)X-Ray detector for electron microscope has been manufactured. The Si(Li)detector consistsof a cooled Si(Li ) detector with active area 20mm￣2, pulsed optical feedback preamplifier,cryostat with 7.5μ Be-window and X-Ray spectrum amplifier.

    第一套電鏡Si（Li）X射線探測器已經(jīng)制成，探測器包括靈敏面積為20mm￣2Si（Li）晶體、低溫場效應(yīng)晶體管、光反饋前置放大器、具有7．5μ鈹窗的低溫裝置和7．5升液氮杜瓦瓶。

短句來源

    Though computer imaging technology plays an important role in the development of ICT,the crucial work is the progress of X-ray detector.

    誠然,計(jì)算機(jī)圖像技術(shù)的飛速發(fā)展對工業(yè)X-CT起到了極其重要的作用,但另一個(gè)決定性因素還在于X射線探測器技術(shù)的進(jìn)步。

短句來源

    The performance of X-ray detector limit the technology level of ICT system.

    X射線探測器的技術(shù)指標(biāo)限定了這些設(shè)備最后的技術(shù)水平。

短句來源

更多       

    By analyzing the detail of modern digital X-ray radiography, and comparing three different digital X-ray flat detectors, a solution is put forward to update S2001 field X-ray vehicle to a field digital X- ray radiography vehicle by using Canon CXDI digital X- ray detector.

    針對數(shù)字化X射線攝影的特點(diǎn),通過比較3種不同的數(shù)字平板X線探測器,提出了一種使用Canon CXDI X線平板探測器對S2001型野戰(zhàn)X線車進(jìn)行數(shù)字化改造對方案。

短句來源

    Research on Technique of Upgrading Conventional X-ray Detector and Reconstructing

    常規(guī)X射線探傷機(jī)升級改造方法

短句來源

    On the Use and Reparation of Variable-Frequency Gas Isolation X-Ray Detector

    變頻充氣X射線探傷機(jī)的使用及維修

短句來源

    X-Ray detector is one of the most commonly used means of nondestructive test in chemical production and manufacture of chemical pressure vessels. This thesis is to present the features of X-Ray detector and its operation and reparation.

    在化工生產(chǎn)及化工壓力容器制造中 ,為保證在用設(shè)備的安全及設(shè)備的生產(chǎn)質(zhì)量 ,最廣泛使用的無損檢測手段之一便是X射線探傷 ,本文重點(diǎn)介紹了該X射線探傷機(jī)的特點(diǎn)、使用與維修方法

短句來源

    Amorphous Silicon Flat-Panel X-Ray Detector Digital Imaging System

    非晶硅X線平板探測器數(shù)字影像系統(tǒng)

短句來源

    In this paper,an novel X-ray detector was designed after detailed study the detector plans in home and overseas X-ICT systems,which based on CsI(Tl) scintillator and plane array CCD . The novel detector used optic fiber and optic fiber plate to pass information ,which scan detected matter in fan beam mode.

    本文詳細(xì)研究了國內(nèi)外工業(yè)X-CT中探測器的設(shè)計(jì)方案,對X射線管為射線源,基于CsI(Tl)閃爍體和面陣CCD(Charge Coupled Device)器件,采用光纖和光纖面板進(jìn)行光耦合及傳輸,以扇形束線陣掃描方式實(shí)現(xiàn)對X射線探測的探測器方案的性能指標(biāo),從理論上分析該方案的合理性。

短句來源

    Optical coupling and transmission performing with optic fiber and fiber optic face plate, a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed.

    提出了一種基于面陣CCD器件,采用 光纖和光纖面板進(jìn)行光耦合及傳輸?shù)纳刃问�陣掃描X射線新型探測器技術(shù)。

短句來源

    A technique of upgrade and reconstruct conventional X-ray detector are introduced for digital real time imaging.

    本文介紹了一種將常規(guī)X光探傷機(jī)升級改造為數(shù)字化實(shí)時(shí)成像系統(tǒng)的方法。

短句來源

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  x-ray detector

Hydrogen transport vapor phase epitaxy of CdTe on hybrid substrates for x-ray detector applications

Linear x-ray detector array made on bulk CdZnTe for 30～100 keV energy

The instrument is based upon a unique position-sensitive scintillation X-ray detector which provides for the most compact X-ray stress-measurement instrument available since the introduction of film cameras four decades ago.

The time dependence of these X-rays during each pulse was examined using a PIN diode X-ray detector.

High-quality data was obtained by use of a segmented X-ray detector.

更多          

The theory and current development of different typ- ical soft X-ray detectors are described. Studied research- es are concluded. For current requirement of soft X-ray research, A wide-response, photo counting detector with Csl photocathod and channel electron multiplier is illust- rated.

本文闡述了不同類型的軟X射線探測器的機(jī)理及近期發(fā)展,總結(jié)了以往的工作,針對當(dāng)前軟X射線研究的迫切需要,提出了用CsI光電陰極做為轉(zhuǎn)換材料、道電子倍增器做為電子倍增元件的寬響應(yīng),單光子計(jì)數(shù)探測器。

The first Si (Li)X-Ray detector for electron microscope has been manufactured. The Si(Li)detector consistsof a cooled Si(Li ) detector with active area 20mm￣2, pulsed optical feedback preamplifier,cryostat with 7.5μ Be-window and X-Ray spectrum amplifier. The full width at half maximum (FWHM) is 152 eV for￣(55) Fe 5. 9keV X-Rey. In additon, the result of Tracor X-Ray Si(Li) detector repaired is reported. After repairing,the resolutionis 148 eV for 5. 9keV X-Ray. It...

The first Si (Li)X-Ray detector for electron microscope has been manufactured. The Si(Li)detector consistsof a cooled Si(Li ) detector with active area 20mm￣2, pulsed optical feedback preamplifier,cryostat with 7.5μ Be-window and X-Ray spectrum amplifier. The full width at half maximum (FWHM) is 152 eV for￣(55) Fe 5. 9keV X-Rey. In additon, the result of Tracor X-Ray Si(Li) detector repaired is reported. After repairing,the resolutionis 148 eV for 5. 9keV X-Ray. It is as same as the original value. The normal consumption rate of the liquid nitro-gen is less than one liter per day.

第一套電鏡Ｓｉ（Ｌｉ）Ｘ射線探測器已經(jīng)制成，探測器包括靈敏面積為２０ｍｍ￣２Ｓｉ（Ｌｉ）晶體、低溫場效應(yīng)晶體管、光反饋前置放大器、具有７．５μ鈹窗的低溫裝置和７．５升液氮杜瓦瓶。對￣（５５）Ｆｅ５．９ｋｅＶ射線，能量分辨率為１５２ｅＶ。此外報(bào)道ＴＲＡＣＯＲ電鏡Ｓｉ（Ｌｉ）Ｘ射線探測器修理的結(jié)果，修理后能量分辨率為１４８ｅｖ，與原來的結(jié)果一樣。每天正常的液氮消耗量少于１立升。

Medical X ray CT as diagnostic equipment requires a more strict image quality. The image quality is degraded by various sources of error in practice. So the error correction method is very important in almost all kinds of CT equipment. Having explored the error correction method of the X ray detectors, and X ray beam hardening for medical X ray CT, the whole error correction and image reconstruction computer realizing procedure in PC is given. This method is applied to perform the image reconstruction...

Medical X ray CT as diagnostic equipment requires a more strict image quality. The image quality is degraded by various sources of error in practice. So the error correction method is very important in almost all kinds of CT equipment. Having explored the error correction method of the X ray detectors, and X ray beam hardening for medical X ray CT, the whole error correction and image reconstruction computer realizing procedure in PC is given. This method is applied to perform the image reconstruction of resolution water phantom,contrast water phantom,patient head and patient lung. The high quality images have verified the effectiveness of the method.

醫(yī)學(xué)Ｘ光ＣＴ作為一種診斷設(shè)備，對其圖像質(zhì)量要求很高，而在實(shí)際應(yīng)用中各種誤差都將會(huì)影響最終的圖像質(zhì)量，因而對誤差進(jìn)行修正是非常重要的，這一點(diǎn)在各廠家的ＣＴ 產(chǎn)品中表現(xiàn)得尤為突出。通過研究對醫(yī)學(xué)Ｘ光ＣＴ 的探測器、Ｘ光射束硬化效應(yīng)等所產(chǎn)生的誤差進(jìn)行修正，，給出了在ＰＣ機(jī)上對誤差進(jìn)行修正和圖像重建的方法和步驟，完成了對分辨率水模、對比度水模、病人頭部和肺部的圖像重建，證明該方法行之有效。

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  本文關(guān)鍵詞：工業(yè)X-CT用新型X射線探測器性能的模擬研究，由筆耕文化傳播整理發(fā)布。