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    • 2. 发明授权
    • Fabric lined bushing
    • 织物衬里衬套
    • US5417499A
    • 1995-05-23
    • US40516
    • 1993-03-31
    • William JacquesFrederick Jeffrey
    • William JacquesFrederick Jeffrey
    • F16C27/06F16C33/20F16C33/18
    • F16C27/066F16C33/20F16C33/201
    • A fabric lined bushing is formed by placing a braided liner around a mandrel coating the liner with an adhesive and injection molding an elastomeric bushing material around the adhesive coated braided liner. The braided liner is formed from polyester fibers and polytetrafluoroethylene fibers. Molding the elastomeric material under pressure around the braided liner while positioned on a mandrel tends to stretch the braided liner binding it more tightly to the mandrel and preventing the elastomeric material from penetrating the liner. The interior surface of the bushing is primarily the braided liner material which reduces noise and decreases wear.
    • 织物衬里衬套通过将编织衬垫围绕芯棒涂覆在衬套上并用粘合剂并且在粘合剂涂覆的编织衬里周围注射成型弹性衬套材料而形成。 编织衬里由聚酯纤维和聚四氟乙烯纤维形成。 在弹性体材料的压力下,围绕编织衬里模制成定位在心轴上的倾向是使编织衬里拉伸更紧密地与芯棒结合,并防止弹性体材料穿透衬套。 衬套的内表面主要是编织衬里材料,可减少噪音并降低磨损。
    • 3. 发明授权
    • Method of determining an intrinsic spectrum from a measured spectrum
    • 从测量光谱确定固有光谱的方法
    • US06370490B1
    • 2002-04-09
    • US09592059
    • 2000-06-12
    • Derk ReefmanWilliam Jacques Jean ReyAugustus Josephus Elizabeth Maria Janssen
    • Derk ReefmanWilliam Jacques Jean ReyAugustus Josephus Elizabeth Maria Janssen
    • G06F1716
    • G01N23/00G06F17/16
    • In determining an intrinsic spectrum from a measured spectrum using the Maximum Entropy Algorithm, it is hardly or even not at all practical to determine the eigenvalues of an N×N matrix of large dimensions (N of the order of from 104 to 105). According to the invention such a large matrix is subdivided into a large number of much smaller partial matrices that are located on the diagonal or trace of the large matrix. The set of eigenvalues to be determined then consists of all eigenvalues of the partial matrices which can be determined much faster. Because of the Toeplitz-like character of the partial matrices, their eigenvalues can be determined very fast by Fourier transformation of a single row of such a matrix. Using the set of eigenvalues thus obtained, the intrinsic spectrum is determined by means of a minimizing algorithm. The convergence rate of the minimizing algorithm can be highly enhanced by adding a random noise value to the variables of the minimizing process and by decreasing that noise value to zero in a number of iteration steps.
    • 在使用最大熵算法确定来自测量光谱的固有频谱的情况下,确定大尺寸(从104到105的数量级)的N×N矩阵的特征值几乎不是甚至根本不可行。 根据本发明,如此大的矩阵被细分成大量较小的部分矩阵,其位于大矩阵的对角线或迹线上。 要确定的特征值集合然后由可以被确定得更快的部分矩阵的所有特征值组成。 由于部分矩阵的Toeplitz样特征,它们的特征值可以通过这样一个矩阵的单行的傅里叶变换非常快地被确定。 使用如此获得的特征值集合,通过最小化算法确定固有频谱。 通过向最小化过程的变量添加随机噪声值,并通过在多个迭代步骤中将该噪声值降低为零,可以高度提高最小化算法的收敛速度。