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    • 4. 发明申请
    • DATA ACQUISITION SYSTEM FOR A SPECTROMETER
    • 用于光谱仪的数据采集系统
    • US20090090861A1
    • 2009-04-09
    • US12332902
    • 2008-12-11
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • H01J49/40
    • H01J49/0036H01J49/40
    • A data acquisition system and method are described that may be used with various spectrometers. The data acquisition system may include an ion detector, an initial/transient processing module, and a spectra processing module. The initial/transient processing module is provided for processing the ion detection signals and for supplying processed signals to the spectra processing module. The transient processing module may contiguously sample the ion detection signals at a rate of at least 1.5 GHz. The spectra processing module may generate spectra from the transients at a rate of at least 50 spectra per second. The initial processing module may be configured to have a sensitivity that is sufficient to detect a single ion received within one of over at least 100 transients and to detect and quantify a number of ions simultaneously striking said ion detector up to at least 10 simultaneously striking ions.
    • 描述了可以与各种光谱仪一起使用的数据采集系统和方法。 数据采集​​系统可以包括离子检测器,初始/瞬态处理模块和光谱处理模块。 提供初始/瞬态处理模块用于处理离子检测信号并将处理的信号提供给光谱处理模块。 瞬态处理模块可以以至少1.5GHz的速率连续地对离子检测信号进行采样。 光谱处理模块可以以每秒至少50个光谱的速率从瞬变产生光谱。 初始处理模块可以被配置为具有足以检测在至少100个瞬变中的一个中接收的单个离子的灵敏度,并且检测和量化同时撞击所述离子检测器的多个离子,直到至少10个同时撞击的离子 。
    • 5. 发明授权
    • Data acquisition system for a spectrometer using an adaptive threshold
    • 使用自适应阈值的光谱仪的数据采集系统
    • US07501621B2
    • 2009-03-10
    • US11776106
    • 2007-07-11
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • H01J49/40
    • H01J49/0036H01J49/40
    • A data acquisition system and method are described that may be used with various spectrometers. The data acquisition system may include an ion detector and a processing circuit. The processing circuit may include an initial processing module and a spectra processing module. According to one embodiment, the spectra processing module generates stick spectra and supplies the stick spectra to an external processor. The stick spectra comprise a peak intensity, resolution, and a location in the spectra for each detected peak. The initial processing module may contiguously sample the ion detection signals at a rate matched to the capabilities of the ion detector (up to at least 1.5 GHz) over a full spectral range. The spectra processing module may receive the processed signals and generate spectra from the processed signals at a rate matched to the time response of the separation techniques (up to 200 spectra/second).
    • 描述了可以与各种光谱仪一起使用的数据采集系统和方法。 数据采集​​系统可以包括离子检测器和处理电路。 处理电路可以包括初始处理模块和光谱处理模块。 根据一个实施例,光谱处理模块产生棒状光谱并将棒状光谱提供给外部处理器。 棒状光谱包括每个检测峰的峰强度,分辨率和光谱中的位置。 初始处理模块可以在完全光谱范围内以与离子检测器的能力(至多1.5GHz)匹配的速率连续地对离子检测信号进行采样。 光谱处理模块可以接收经处理的信号并且以与分离技术的时间响应(多达200个光谱/秒)匹配的速率从处理的信号产​​生光谱。
    • 8. 发明授权
    • Data acquisition system for a spectrometer using various filters
    • 使用各种过滤器的光谱仪的数据采集系统
    • US08063360B2
    • 2011-11-22
    • US12323628
    • 2008-11-26
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • Peter M. WillisMichael C. MasonMark R. WheelerViatcheslav B. ArtaevJulie R. Pitz
    • B01D59/44
    • H01J49/0036H01J49/40
    • A data acquisition system and method are described that may be used with various spectrometers. The data acquisition system may include an ion detector, an initial processing module, and a spectra processing module. The initial processing module is provided for processing the ion detection signals and for supplying processed signals to the spectra processing module. The spectra processing module generates spectra from the processed signals and supplies the generated spectra to an external processor for post-processing. The spectra processing module may include one or more of: a cross-spectra filter for filtering data in each spectra as a function of data in at least one prior spectra; a shaping filter for removing skew and shoulders from the processed signals; a sharpening filter for sharpening the peaks of the processed signals to effectively deconvolve and separate overlapping peaks; an ion statistics filter; and a peak histogram filtering circuit.
    • 描述了可以与各种光谱仪一起使用的数据采集系统和方法。 数据采集​​系统可以包括离子检测器,初始处理模块和光谱处理模块。 提供初始处理模块用于处理离子检测信号并将处理的信号提供给光谱处理模块。 光谱处理模块从经处理的信号产​​生光谱,并将生成的光谱提供给外部处理器进行后处理。 光谱处理模块可以包括以下中的一个或多个:用于在每个光谱中过滤数据作为至少一个先前光谱中的数据的函数的交叉光谱滤波器; 整形滤波器,用于从处理的信号中去除偏斜和肩部; 用于锐化处理信号的峰值的锐化滤波器,以有效地去卷积和分离重叠峰; 离子统计滤波器; 和峰值直方图滤波电路。