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    • 2. 发明申请
    • MODULAR DISPERSION COMPENSATOR
    • 模块化色散补偿器
    • WO2005008905A3
    • 2005-09-22
    • PCT/US2004022106
    • 2004-07-12
    • RED SKY SYSTEMS INCWILSON DAVID L
    • WILSON DAVID L
    • G02B6/34H04B10/18G02B6/26
    • G02B6/29394G02B6/29317G02B6/29376H04B10/2525
    • A method and apparatus is provided to compensate for dispersion of a WDM optical signal. The method begins by directing a WDM optical signal having a prescribed bandwidth to a first dispersion compensating element and substantially compensating, with the first dispersion compensating element, each wavelength in the WDM optical signal for dispersion at a prescribed wavelength within a first sub-band of the prescribed bandwidth. The method continues by directing to a second dispersion compensating element wavelengths received from the first dispersion compensating element outside the first sub-band and substantially compensating, with the second dispersion compensating element, each wavelength received from the first dispersion compensating element for dispersion at a prescribed wavelength within a second sub-band of the prescribed bandwidth; The wavelengths received from the second dispersion compensating element are combined within the second sub-band of the prescribed bandwidth with the wavelengths received from the first dispersion compensating element within the first sub-band.
    • 提供了一种方法和设备来补偿WDM光信号的色散。 该方法开始于将具有规定带宽的WDM光信号引导至第一色散补偿元件,并且利用第一色散补偿元件基本上补偿WDM光信号中的每个波长以便在第一子带 规定的带宽。 该方法通过引导到第二色散补偿元件,该第二色散补偿元件在第一子带之外从第一色散补偿元件接收到的波长,并且利用第二色散补偿元件基本上补偿从第一色散补偿元件接收的每个波长, 在规定带宽的第二子带内的波长; 从第二色散补偿元件接收到的波长在规定带宽的第二子带内与在第一子带内从第一色散补偿元件接收的波长组合。
    • 6. 发明申请
    • MODULAR DISPERSION COMPENSATOR
    • 模块化分散补偿器
    • WO2005008905A2
    • 2005-01-27
    • PCT/US2004/022106
    • 2004-07-12
    • RED SKY SYSTEMS, INC.WILSON, David, L.
    • WILSON, David, L.
    • H04B
    • G02B6/29394G02B6/29317G02B6/29376H04B10/2525
    • A method and apparatus is provided to compensate for dispersion of a WDM optical signal. The method begins by directing a WDM optical signal having a prescribed bandwidth to a first dispersion compensating element and substantially compensating, with the first dispersion compensating element, each wavelength in the WDM optical signal for dispersion at a prescribed wavelength within a first sub-band of the prescribed bandwidth. The method continues by directing to a second dispersion compensating element wavelengths received from the first dispersion compensating element outside the first sub-band and substantially compensating, with the second dispersion compensating element, each wavelength received from the first dispersion compensating element for dispersion at a prescribed wavelength within a second sub-band of the prescribed bandwidth; The wavelengths received from the second dispersion compensating element are combined within the second sub-band of the prescribed bandwidth with the wavelengths received from the first dispersion compensating element within the first sub-band.
    • 提供了一种补偿WDM光信号的色散的方法和装置。 该方法开始于将具有规定带宽的WDM光信号引导到第一色散补偿元件,并且与第一色散补偿元件基本上补偿WDM光信号中的每个波长,以在第一子带内的规定波长处的色散 规定的带宽。 该方法继续通过将第一色散补偿元件的第二色散补偿元件的波长指向第一子带外部,并且用第二色散补偿元件基本上补偿从第一色散补偿元件接收的每个波长, 波长在规定带宽的第二子带内; 从第二色散补偿元件接收的波长在第一子带内从第一色散补偿元件接收的波长在规定带宽的第二子带内组合。
    • 8. 发明申请
    • A METHOD FOR DELINEATING AN ABLATION LESION
    • 一种消除疝气的方法
    • WO2003099116A1
    • 2003-12-04
    • PCT/US2002/034797
    • 2002-10-31
    • CASE WESTERN RESERVE UNIVERSITYLAZEBNIK, Roee, S.WILSON, David, L.LEWIN, Jonathan, S.
    • LAZEBNIK, Roee, S.WILSON, David, L.LEWIN, Jonathan, S.
    • A61B5/05
    • G06T7/0012G06T7/12G06T7/149G06T2207/10088G06T2207/20116G06T2207/30096
    • A method for delineating an ablation lesion (10) having concentric inner (12) and outer (14) lesion regions using magnetic resonance (MR) information is provided. The method includes providing a deformable model having parameters defining concentric inner and outer ellipsoid surfaces, generating boundaries from the MR information, and fitting the model parameters to the boundaries so that the model delineates the inner (11) and outer (14) lesion regions. The lesion boundaries can be generated by manually segmenting the lesion using the MR information. The lesion boundaries can also be generated by automatically segmenting the lesion using the MR information. The lesion boundaries can also be generated by automatically segmenting the lesion using the MR information. The fitting step can include minimizing an objective function f(Ø) defining the sum of squared distances di in (Ø in ) and dj out (Ø out ) from boundary surface points to the ellipsoid surfaces defined by the model parameters. Alternatively, the fitting step can include minimizing an objective function E(Ø) accounting for model position with respect to MR imaging grayscale edges.
    • 提供了使用磁共振(MR)信息描绘具有同心的内部(12)和外部(14)损伤区域的消融损伤(10)的方法。 该方法包括提供具有定义同心的内椭圆表面的参数的可变形模型,从MR信息生成边界,以及将模型参数拟合到边界,使得模型描绘内部(11)和外部(14)损伤区域。 可以通过使用MR信息手动分割病变来产生损伤边界。 也可以通过使用MR信息自动分割病变来产生损伤边界。 也可以通过使用MR信息自动分割病变来产生损伤边界。 拟合步骤可以包括最小化定义从模型参数限定的边界表面点到椭圆表面的平方距离di(inin)和dj(out)(Øout)之和的目标函数f(Ø)。 或者,拟合步骤可以包括最小化与MR成像灰度边缘相关的模型位置的目标函数E(Ø)。