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    • 12. 发明授权
    • Dual sensor signal processing method for on-bottom cable seismic wave detection
    • 双传感器信号处理方法,用于底层电缆地震波检测
    • US06314371B1
    • 2001-11-06
    • US09598718
    • 2000-06-21
    • David J Monk
    • David J Monk
    • G01V100
    • G01V1/364G01V1/36G01V2210/56
    • A method is disclosed for processing of dual sensor OBC data that corrects for angular incidence angle, corrects for estimated reflectivity, and combines the corrected sensor traces using an optimal diversity scaling technique. In one embodiment, the disclosed method takes seismic traces from a geophone and a hydrophone, corrects the geophone trace for the incidence angle, determines diversity filters for optimally combining the geophone and hydrophone traces, applies the diversity filters, estimates a reflectivity coefficient for the ocean bottom (potentially for different angles of reflection), scales the geophone data according to the reflectivity, and re-applies the diversity filters to obtain a combined trace. The combined trace is expected to have various artifacts eliminated, including ghosting and reverberation, and is expected to have an optimally determined signal-to-noise ratio.
    • 公开了一种用于处理纠正角入射角的双传感器OBC数据的方法,校正估计的反射率,并且使用最佳分集缩放技术组合校正的传感器迹线。 在一个实施例中,所公开的方法采用来自地震检波器和水听器的地震迹线,校正地震检波器轨迹的入射角,确定用于最佳组合地震检波器和水听器迹线的分集滤波器,应用多样性滤波器,估计海洋的反射系数 底部(潜在地为不同的反射角度),根据反射率缩放地震检波器数据,并重新应用分集滤波器以获得组合迹线。 组合的迹线预期会消除各种伪影,包括重影和混响,并且预期具有最佳确定的信噪比。
    • 13. 发明授权
    • Semiconductor component and method of manufacture
    • 半导体元件及制造方法
    • US6156585A
    • 2000-12-05
    • US17494
    • 1998-02-02
    • Bishnu P. GogoiDavid J. Monk
    • Bishnu P. GogoiDavid J. Monk
    • G01L9/12G01L9/00H01L29/84H01L21/00
    • G01L9/0042G01L9/0073
    • A semiconductor component comprises a substrate (101), a two flexible pressure sensor diaphragms (106, 303) supported by the substrate (101), and a fixed electrode (203) between the two diaphragms (106, 303). The two diaphragms (106, 303) and the fixed electrode (203) are electrodes of two differential capacitors. The substrate (101) has a hole (601) extending from one surface (107) of the substrate (101) to an opposite surface (108) of the substrate (101). The hole (601) is located underneath the two diaphragms (106, 303), and the hole (601) at the opposite surfaces (107, 108) of the substrate (101) is preferably larger than the hole (601) at an interior portion of the substrate (101).
    • 半导体部件包括衬底(101),由衬底(101)支撑的两个柔性压力传感器膜片(106,303)和在两个膜片(106,303)之间的固定电极(203)。 两个隔膜(106,303)和固定电极(203)是两个差分电容器的电极。 基板(101)具有从基板(101)的一个表面(107)延伸到基板(101)的相对表面(108)的孔(601)。 孔(601)位于两个隔膜(106,303)的下方,并且衬底(101)的相对表面(107,108)处的孔(601)优选地大于在内部的孔(601) 基板(101)的一部分。