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    • 1. 发明授权
    • Multichannel analyzer and method for real-time correction of peak shift
    • 用于实时校正峰值偏移的多通道分析仪和方法
    • US07825371B2
    • 2010-11-02
    • US12342592
    • 2008-12-23
    • Ming RuanYingrong JianKun ZhaoYali XieJin Lin
    • Ming RuanYingrong JianKun ZhaoYali XieJin Lin
    • G01D18/00
    • G01T1/362G01T1/40
    • The invention provides a multichannel analyzer for use in a multichannel spectrometer, which comprises a standard spectrum calibrator for obtaining energy calibration parameters of said multichannel spectrometer; an environment background spectrum calibrator for obtaining parameters of a current and a previous environment background spectrum; a peak shift detector for analyzing the parameters of the current and previous environment background spectrum to determine whether a peak shift occurs between them and to determine a correction coefficient of the peak shift; and a parameter corrector for correcting the energy calibration parameters of said multichannel spectrometer using said peak shift correction coefficient. The invention also provides a method for correcting a peak shift of a multichannel spectrometer adapted in the multichannel analyzer. The method for correcting and the multichannel analyzer can correct and monitor the peak shift of the multichannel spectrometer in real time.
    • 本发明提供一种用于多通道光谱仪的多通道分析仪,其包括用于获得所述多通道光谱仪的能量校准参数的标准光谱校准器; 环境背景光谱校准器,用于获得当前和先前环境背景光谱的参数; 峰值移位检测器,用于分析当前和以前的环境背景谱的参数,以确定它们之间是否发生峰值偏移,并确定峰值偏移的校正系数; 以及参数校正器,用于使用所述峰值偏移校正系数校正所述多通道光谱仪的能量校准参数。 本发明还提供了一种用于校正适用于多通道分析仪的多通道光谱仪的峰值偏移的方法。 校正方法和多通道分析仪可以实时校正和监测多通道光谱仪的峰值偏移。
    • 2. 发明授权
    • Radiation detection system using a multichannel spectrometer and method thereof
    • 使用多通道光谱仪的辐射检测系统及其方法
    • US07947957B2
    • 2011-05-24
    • US12340966
    • 2008-12-22
    • Ming RuanYingrong JianKun ZhaoJin Lin
    • Ming RuanYingrong JianKun ZhaoJin Lin
    • G01T1/20
    • G01T1/362
    • The invention provides a data processing device for processing an reference background spectrum and a measurement spectrum of a radioactive material represented by a multichannel spectrum to acquire energy region information of detected gamma rays comprises: energy region dividing means for degenerating multichannel spectrum into a degenerated spectrum of limited channels; degenerated spectrum calculating means for calculating a background and measurement degenerated spectrum corresponding to degenerated spectrum of limited channels respectively; energy ratio calculating means for calculating a energy ratio based on the calculated background and measurement degenerated spectrum; peak-detection means, for searching a peak value in the calculated energy ratios; energy region determining information for determining a corresponding energy region of gamma rays based on the searched peak value in the energy ratios. The invention also provides a radiation detection method and a radiation detection system employing the data processing device.
    • 本发明提供了一种数据处理装置,用于处理参考背景光谱和由多通道光谱表示的放射性物质的测量光谱,以获取检测到的伽马射线的能量区域信息,包括:能量区域分割装置,用于将多通道光谱退化为退化光谱 有限渠道; 退化频谱计算装置,用于分别计算对应于限制信道的退化频谱的背景和测量退化频谱; 能量比计算装置,用于基于所计算的背景和测量退化光谱计算能量比; 峰值检测装置,用于搜索所计算的能量比的峰值; 能量区域确定信息,用于基于所搜索的能量比的峰值来确定γ射线的相应能量区域。 本发明还提供一种采用数据处理装置的放射线检测方法和放射线检测系统。
    • 3. 发明授权
    • Detection method for an ion migration spectrum and an ion migration spectrometer using the same method
    • 使用相同方法的离子迁移光谱和离子迁移光谱仪的检测方法
    • US09128054B2
    • 2015-09-08
    • US13560440
    • 2012-07-27
    • Ming RuanPeng JiaoYingrong JianYangtian ZhangJin LinHua Peng
    • Ming RuanPeng JiaoYingrong JianYangtian ZhangJin LinHua Peng
    • G01N27/62
    • G01N27/622
    • A detection apparatus and method for an ion migration spectrum include acquiring an ion migration spectrum of pure carrier gas and an ion migration spectrum of carrier gas containing a test substance sample and performing differential process on the ion migration spectrum of the pure carrier gas and the ion migration spectrum of the carrier gas containing the test substance sample to acquire a differential spectrum. The value of a characteristic peak of the differential spectrum represents properties of the sample of substances. The method avoids interferences on the migration spectrum from interference sources of the apparatus itself, thereby improving detection sensitivity and accuracy of the ion migration spectrum, and migration spectrum shift caused by variations in the environmental conditions can be found and corrected through the differential process on the migration spectrum of the pure carrier gas, thereby achieving self-stableness and self-correction of the ion migration spectrometer.
    • 用于离子迁移谱的检测装置和方法包括获得纯载体的离子迁移谱和含有测试物质样品的载气的离子迁移谱,并对纯载体和离子的离子迁移谱进行差别过程 含有测试物质样品的载气的迁移谱,以获得差示谱。 差分光谱特征​​峰值代表物质样品的特性。 该方法避免了对设备本身的干扰源的迁移谱的干扰,从而提高了离子迁移谱的检测灵敏度和精度,并且通过差分过程可以发现和纠正由环境条件变化引起的迁移频谱偏移 纯载体的迁移谱,从而实现离子迁移光谱仪的自稳定和自校正。
    • 4. 发明申请
    • Detection Method for an Ion Migration Spectrum and an Ion Migration Spectrometer Using the Same Method
    • 使用相同方法的离子迁移谱和离子迁移光谱仪的检测方法
    • US20120326024A1
    • 2012-12-27
    • US13560440
    • 2012-07-27
    • Ming RuanPeng JiaoYingrong JianYangtian ZhangJin LinHuan Peng
    • Ming RuanPeng JiaoYingrong JianYangtian ZhangJin LinHuan Peng
    • H01J49/26
    • G01N27/622
    • A detection apparatus and method for an ion migration spectrum include acquiring an ion migration spectrum of pure carrier gas and an ion migration spectrum of carrier gas containing a test substance sample and performing differential process on the ion migration spectrum of the pure carrier gas and the ion migration spectrum of the carrier gas containing the test substance sample to acquire a differential spectrum. The value of a characteristic peak of the differential spectrum represents properties of the sample of substances. The method avoids interferences on the migration spectrum from interference sources of the apparatus itself, thereby improving detection sensitivity and accuracy of the ion migration spectrum, and migration spectrum shift caused by variations in the environmental conditions can be found and corrected through the differential process on the migration spectrum of the pure carrier gas, thereby achieving self-stableness and self-correction of the ion migration spectrometer.
    • 用于离子迁移谱的检测装置和方法包括获得纯载体的离子迁移谱和含有测试物质样品的载气的离子迁移谱,并对纯载体和离子的离子迁移谱进行差别过程 含有测试物质样品的载气的迁移谱,以获得差示谱。 差分光谱特征​​峰值代表物质样品的特性。 该方法避免了对设备本身的干扰源的迁移谱的干扰,从而提高了离子迁移谱的检测灵敏度和精度,并且通过差分过程可以发现和纠正由环境条件变化引起的迁移频谱偏移 纯载体的迁移谱,从而实现离子迁移光谱仪的自稳定和自校正。
    • 6. 发明授权
    • Method and system for binocular steroscopic scanning radiographic imaging
    • 双目立体扫描放射成像的方法和系统
    • US07545906B2
    • 2009-06-09
    • US11955863
    • 2007-12-13
    • Yali XieQitian MiaoYuanjing LiHua PengXueguang CaoHongsheng WenYaohong LiuQuanwei SongJianping GuJin LinHongbo YangPingan Luo
    • Yali XieQitian MiaoYuanjing LiHua PengXueguang CaoHongsheng WenYaohong LiuQuanwei SongJianping GuJin LinHongbo YangPingan Luo
    • G01N23/00
    • G01V5/0058A61B6/022G01N23/04G06T7/593G06T2207/10116G06T2207/30112
    • In a binocular steroscopic scanning radiographic imaging method, X-rays emitted by the same radiation source are used. The X-rays pass through a double-slit collimator to form two X-ray beam sectors, which are symmetric or asymmetric and have an angle between them. The X-ray beam sectors, after penetrating through an object under detection, are received by the left and right detector array, respectively, then converted into electric signals to be inputted to the respective image acquisition systems, and received by a computer processing system for image processing and displaying. A system corresponding to the method comprises a radiation source, a beam controller, two mutually connected arms of detector arrays, image acquisition systems connected respectively to each of the detector arrays and a computer processing system. The present invention can display the transmission images detected by each of the detector arrays as well as tomograms with different depth reconstructed from the transmission images according to the principle of parallax. The present invention is convenient, fast in detection and realizes with low cost the recognition of objects of different depths.
    • 在双目立体扫描放射线照相成像方法中,使用由相同的辐射源发射的X射线。 X射线穿过双缝准直器以形成两个X射线束扇区,它们是对称的或非对称的,并在它们之间具有一个角度。 X射线束扇区在穿透被检测物体之后,分别被左右检测器阵列接收,然后被转换成电信号以输入到各个图像采集系统,并被计算机处理系统接收 图像处理和显示。 对应于该方法的系统包括辐射源,光束控制器,检测器阵列的两个相互连接的臂,分别连接到每个检测器阵列的图像采集系统和计算机处理系统。 根据视差的原理,本发明可以显示由每个检测器阵列检测的透射图像以及从透射图像重建的不同深度的断层图像。 本发明方便,检测快,实现了低成本识别不同深度的物体。
    • 8. 发明申请
    • METHOD AND SYSTEM FOR BINOCULAR STEROSCOPIC SCANNING RADIOGRAPHIC IMAGING
    • 用于双向扫描扫描放射成像的方法和系统
    • US20080205590A1
    • 2008-08-28
    • US11955863
    • 2007-12-13
    • Yali XieQitian MiaoYuanjing LiHua PengXueguang CaoHongsheng WenYaohong LiuQuanwei SongJianping GuJin LinHongbo YangPingan Luo
    • Yali XieQitian MiaoYuanjing LiHua PengXueguang CaoHongsheng WenYaohong LiuQuanwei SongJianping GuJin LinHongbo YangPingan Luo
    • A61B6/02
    • G01V5/0058A61B6/022G01N23/04G06T7/593G06T2207/10116G06T2207/30112
    • In a binocular steroscopic scanning radiographic imaging method, X-rays emitted by the same radiation source are used. The X-rays pass through a double-slit collimator to form two X-ray beam sectors, which are symmetric or asymmetric and have an angle between them. The X-ray beam sectors, after penetrating through an object under detection, are received by the left and right detector array, respectively, then converted into electric signals to be inputted to the respective image acquisition systems, and received by a computer processing system for image processing and displaying. A system corresponding to the method comprises a radiation source, a beam controller, two mutually connected arms of detector arrays, image acquisition systems connected respectively to each of the detector arrays and a computer processing system. The present invention can display the transmission images detected by each of the detector arrays as well as tomograms with different depth reconstructed from the transmission images according to the principle of parallax. The present invention is convenient, fast in detection and realizes with low cost the recognition of objects of different depths.
    • 在双目立体扫描放射线照相成像方法中,使用由相同的辐射源发射的X射线。 X射线穿过双缝准直器以形成两个X射线束扇区,它们是对称的或非对称的,并在它们之间具有一个角度。 X射线束扇区在穿透被检测物体之后,分别被左右检测器阵列接收,然后被转换成电信号以输入到各个图像采集系统,并被计算机处理系统接收 图像处理和显示。 对应于该方法的系统包括辐射源,光束控制器,检测器阵列的两个相互连接的臂,分别连接到每个检测器阵列的图像采集系统和计算机处理系统。 根据视差的原理,本发明可以显示由每个检测器阵列检测的透射图像以及从透射图像重建的不同深度的断层图像。 本发明方便,检测快,实现了低成本识别不同深度的物体。
    • 9. 发明申请
    • Detection Method for an Ion Migration Spectrum and an Ion Migration Spectrometer Using the Same Method
    • 使用相同方法的离子迁移谱和离子迁移光谱仪的检测方法
    • US20090278039A1
    • 2009-11-12
    • US12437907
    • 2009-05-08
    • Ming RuanPeng JiaoYinrong JianYangtian ZhangJin LinHuan Peng
    • Ming RuanPeng JiaoYinrong JianYangtian ZhangJin LinHuan Peng
    • H01J49/06
    • G01N27/622
    • This invention discloses a detection method for an ion migration spectrum which comprises: acquiring an ion migration spectrum of pure carrier gas and an ion migration spectrum of carrier gas containing a test substance sample; and performing differential process on the ion migration spectrum of said pure carrier gas and the ion migration spectrum of the carrier gas containing the test substance sample to acquire a differential spectrum, wherein the value of a characteristic peak of said differential spectrum represents properties of said sample of substances, said method avoids interferences on the migration spectrum from interference sources of the apparatus itself, thereby improving detection sensitivity and accuracy of the ion migration spectrum; and migration spectrum shift caused by variations in the environmental conditions can be found and corrected through the differential process on the migration spectrum of the pure carrier gas, thereby achieving self-stableness and self-correction of the ion migration spectrometer. This invention further discloses an ion migration spectrum detector and an ion migration spectrometer using said method.
    • 本发明公开了一种离子迁移谱的检测方法,包括:获取纯载体的离子迁移谱和含有检测物质样品的载气的离子迁移谱; 对所述纯载体的离子迁移谱和含有检测物质样品的载气的离子迁移谱进行微分处理,得到差示光谱,其特征在于,所述差示光谱的特征峰值表示所述样品的特性 所述方法避免了对装置本身的干扰源的迁移谱的干扰,从而提高了离子迁移谱的检测灵敏度和精度; 并且通过对纯载体的迁移谱的差分过程可以发现和校正由环境条件的变化引起的迁移频谱偏移,从而实现离子迁移光谱仪的自稳定和自校正。 本发明还公开了使用所述方法的离子迁移光谱检测器和离子迁移光谱仪。