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    • 4. 发明申请
    • Histograms, trends and spectrums of random and deterministic jitter
    • 随机和确定性抖动的直方图,趋势和频谱
    • US20050232345A1
    • 2005-10-20
    • US11098883
    • 2005-04-04
    • Benjamin WardKan TanMark Guenther
    • Benjamin WardKan TanMark Guenther
    • H04L1/20H04Q1/20
    • H04L1/205
    • For a jitter measurement product histograms, trends and spectrums of random and deterministic jitter components are provided on a jitter component basis rather than just on overall jitter. At each stage of the jitter separation histograms, time trends (measurement vs. time), cycle trends (measurement vs. cycle or UI) or spectrums may be provided. Additionally the spectrum for a periodic jitter component may be further separated into sub-spectrums representing correlated sub-sets of the periodic jitter component. Conversion of each sub-spectrum into the time domain provides a characteristic signal that may identify one source of the periodic jitter. From the various plots the contribution of a particular jitter component or a particular combination of jitter components to an eye opening and system performance may be obtained.
    • 对于抖动测量产品,随机和确定性抖动分量的直方图,趋势和频谱在抖动分量基础上提供,而不仅仅是总体抖动。 在抖动分离直方图的每个阶段,可以提供时间趋势(测量与时间),周期趋势(测量对周期或UI)或频谱。 另外,周期性抖动分量的频谱可以被进一步分成表示周期性抖动分量的相关子集的子谱。 将每个子频谱转换成时域提供可识别周期性抖动的一个来源的特征信号。 从各种曲线图可以获得特定抖动分量或抖动分量的特定组合对眼睛打开和系统性能的贡献。
    • 7. 发明授权
    • Power-assisted steering gear
    • 动力辅助舵机
    • US3930554A
    • 1976-01-06
    • US395640
    • 1973-09-10
    • Benjamin Ward
    • Benjamin Ward
    • B62D6/02B62D5/08
    • B62D6/02
    • A power-assisted steering gear for a road vehicle and of the kind having a fluid-pressure actuated device which is controlled by a valve that is itself actuable in use by the driver of a vehicle in which the steering gear is mounted, the valve incorporating a pair of relatively movable valve members, wherein there are provided means responsive in use to vehicle road speed and means offering resistance to such relative movement of the valve members, with the road speed responsive means being operatively connected to the resistance offering means and being arranged so that in use as the vehicle road speed increases, or at a predetermined vehicle road speed the resistance offered by the resistance offering means to relative movement between the valve members is increased.
    • 一种用于公路车辆的动力辅助舵机,并且具有流体压力致动装置的类型的动力辅助舵机,该流体压力致动装置由阀本身控制,该阀本身可由其中安装有舵机的车辆的驾驶员在使用中使用,该阀并入 一对相对可移动的阀构件,其中提供了在使用中响应于车辆道路速度的装置以及提供抵抗阀构件的这种相对运动的阻力的装置,其中道路速度响应装置可操作地连接到阻力提供装置, 使得当车辆道路速度增加时,或者在预定车辆道路速度下,由电阻提供装置提供的电阻增加到阀构件之间的相对运动。