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204 条记录 (耗时 0.014 秒)

    Method and system for near real-time analysis and display of electrocardiographic signals
    101.
    发明授权
    Method and system for near real-time analysis and display of electrocardiographic signals 失效
    近乎实时分析和显示心电图信号的方法和系统

    公开(公告)号：US5348020A

    公开(公告)日：1994-09-20

    申请号：US991291

    申请日：1992-12-15

    申请人： William H. Hutson

    发明人： William H. Hutson

    IPC分类号： A61B5/0452 ,  A61B5/044 ,  G01S3/802 ,  G01S7/20 ,  G01S7/62 ,  G01S11/14 ,  G01S15/89 ,  G01V1/28 ,  G06F17/00 ,  G06F17/16 ,  G06K9/00 ,  G06T11/00 ,  A61B5/04

    CPC分类号： A61B5/044 ,  A61B5/0464 ,  A61B5/0472 ,  A61B5/7232 ,  A61B5/7253 ,  G01S11/14 ,  G01S15/899 ,  G01S3/802 ,  G01S7/20 ,  G01S7/6245 ,  G01V1/28 ,  G06F17/16 ,  G06K9/00503 ,  G06K9/00523 ,  A61B5/04525 ,  A61B5/7207 ,  A61B5/7257 ,  G01V2210/20

    摘要： The multidimensional ECG processing and display system of the present invention is used with an electrocardiographic (ECG) monitoring system. Input ECG data from multiple, sequential time intervals is collected and formatted into a two-dimensional matrix. The two-dimensional matrix is decomposed using singular value decomposition (SVD) to obtain its corresponding singular values and singular vectors, a compressed form of the matrix. The singular vectors are analyzed and filtered to identify and enhance signal components of interest. Selected singular vectors are transformed into their frequency domain representations by the Fast Fourier Transform (FFT), or related techniques. Certain data elements in the two-dimensional matrix are enhanced or diminished by modifying the singular values within groups of singular vectors to enhance certain objects that are associated with the ECG data and to diminish other features within the data. The enhanced data is expanded back into its original form and features in the ECG data are displayed as opaque objects within a transparent data cube.

    摘要翻译： 本发明的多维ECG处理和显示系统与心电图（ECG）监测系统一起使用。 从多个连续时间间隔输入ECG数据被收集并格式化成二维矩阵。 使用奇异值分解（SVD）分解二维矩阵以获得其对应的奇异值和奇异向量，即矩阵的压缩形式。 分析和过滤奇异矢量以识别和增强感兴趣的信号分量。 通过快速傅里叶变换（FFT）或相关技术将选择的奇异矢量变换成它们的频域表示。 二维矩阵中的某些数据元素通过修改单个向量组内的奇异值来增强或减少，以增强与ECG数据相关联的某些对象并减少数据内的其他特征。 增强型数据扩展回其原始形式，ECG数据中的特征在透明数据立方体中显示为不透明对象。

    Method and apparatus for reducing statistical variations in nuclear well logs
    102.
    发明授权
    Method and apparatus for reducing statistical variations in nuclear well logs 失效
    减少核测井记录变化的方法和装置

    公开(公告)号：US4665486A

    公开(公告)日：1987-05-12

    申请号：US625345

    申请日：1984-06-27

    申请人： Ward E. Schultz

    发明人： Ward E. Schultz

    IPC分类号： G01V1/36 ,  G01V3/38 ,  G01V5/00 ,  G01V5/04

    CPC分类号： G01V3/38 ,  G01V1/364 ,  G01V2210/20

    摘要： Statistical variations in nuclear borehole logs are reduced using digital moving average data processing while maintaining responsiveness to formation changes, by transitioning through a combination of long and short filtered data as a function of the statistical variation of the differences of the long and short derived averages.

    摘要翻译： 使用数字移动平均数据处理同时保持对地层变化的响应，通过将长和短滤波数据的组合转换为长和短衍生平均值的差异的统计变化的函数来减少核井眼测井的统计变化。

    Digital field compositing system
    103.
    发明授权
    Digital field compositing system 失效
    数字场合成系统

    公开(公告)号：US3895342A

    公开(公告)日：1975-07-15

    申请号：US76795168

    申请日：1968-10-16

    申请人： GEO SPACE CORP

    发明人： MALLETT A J ,  MOFFITT JERRELL F

    IPC分类号： G01V1/28

    CPC分类号： G01V1/28 ,  G01V2210/20

    摘要： This invention relates to the processing of electrical signals and to an improved method and apparatus for combining or compositing in the field electric signals derived from a seismic exploration system, thereby obtaining a reduction in the cost of processing digital tapes by office computers as well as providing to the geologist in the field on-the-spot information useful to better guide the progress of the exploration crews. Each sample of raw data may be selectively eliminated from or added to the results of the compositing process.

    摘要翻译： 本发明涉及电信号的处理以及用于在从地震勘探系统导出的现场电信号中组合或合成的改进的方法和装置，从而获得办公室计算机处理数字磁带的成本降低以及提供 向现场的地质学家提供有用的信息，以更好地指导勘探人员的进度。 原始数据的每个样本可以选择性地从合成过程的结果中消除或添加到合成过程的结果中。

    Frequency-domain band broadening of seismic data
    104.
    发明授权
    Frequency-domain band broadening of seismic data 失效
    频域数据的频域宽带

    公开(公告)号：US3581274A

    公开(公告)日：1971-05-25

    申请号：US3581274D

    申请日：1969-03-19

    申请人： MOBIL OIL CORP

    发明人： RUEHLE WILLIAM H

    IPC分类号： G01V1/28 ,  G01V1/00

    CPC分类号： G01V1/28 ,  G01V2210/20

    摘要： The specification, in the preferred embodiment, discloses a technique for removing distortion such as multiples from seismograms by converting the traces of the seismogram by Fourier transformation into their real and imaginary parts. The envelopes of the real and imaginary parts are detected in the frequency domain and operated on to produce inverse operators which are a function of the envelopes of the real and imaginary parts. The product is formed between the real and imaginary parts of the traces and the inverse operators to remove distortion components from the real and imaginary parts of each trace. The resulting distortion-free data is transformed back into the time domain for further processing and analysis.