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    • 65. 发明申请
    • System, Device, and Method for Embedded S-Parameter Measurement
    • 嵌入式S参数测量的系统,设备和方法
    • US20080191712A1
    • 2008-08-14
    • US11996913
    • 2006-07-25
    • William R. EisenstadtRobert M. FoxTao ZhangJang Sup Yoon
    • William R. EisenstadtRobert M. FoxTao ZhangJang Sup Yoon
    • G01R27/28
    • G01R27/28G01R31/2884
    • An embedded s-parameter measurement system for measuring or determining an s-parameter is provided. The system includes an s-parameter test circuit for connecting to a port of a high-frequency multi-port device-under-test (DUT). The s-parameter test circuit includes a directional coupler for sampling a forward signal conveyed to the DUT and for sampling a reverse signal reflected by the DUT. The s-parameter test circuit also includes a peak detector electrically connected to the directional coupler for detecting a magnitude of a signal conveyed to the peak detector by the directional coupler. The s-parameter test circuit further includes a phase detector electrically connected to the directional coupler for determining a phase of a signal conveyed to the phase detector by the directional coupler, and at least one other s-parameter test circuit for connecting to another port of the high-frequency multi-port DUT.
    • 提供了一种用于测量或确定s参数的嵌入式s参数测量系统。 该系统包括用于连接到高频多端口被测设备(DUT)端口的s参数测试电路。 s参数测试电路包括定向耦合器,用于对传送到DUT的正向信号进行采样,并对由DUT反射的反向信号进行采样。 s参数测试电路还包括电连接到定向耦合器的峰值检测器,用于检测由定向耦合器传送到峰值检测器的信号的幅度。 s参数测试电路还包括电连接到定向耦合器的相位检测器,用于确定由定向耦合器传送到相位检测器的信号的相位,以及至少一个其它s参数测试电路,用于连接到另一端口 高频多端口DUT。
    • 68. 发明申请
    • SYSTEM FOR AUTOMATIC RECEPTION ENHANCEMENT OF HEARING ASSISTANCE DEVICES
    • 自动接收系统用于听觉辅助设备的改进
    • US20070217629A1
    • 2007-09-20
    • US11686275
    • 2007-03-14
    • Tao ZhangWilliam WoodsTimothy Trine
    • Tao ZhangWilliam WoodsTimothy Trine
    • H04R3/00
    • H04R25/405H04R25/70
    • Method and apparatus for automatic reception enhancement of hearing assistance devices. The present subject matter relates to methods and apparatus for automatic reception enhancement in hearing assistance devices. It provides a power estimation scheme that is reliable against both steady and transient input. It provides a TSM estimation scheme that is effective and efficient both in terms of storage size and computational efficiency. The embodiments employing a decision tree provide a weight factor between the omnidirectional and compensated directional signal. The resulting decision logic improves speech intelligibility when talking under noisy conditions. The decision logic also improves listening comfort when exposed to noise. Additional method and apparatus can be found in the specification and as provided by the attached claims and their equivalents.
    • 助听器自动接收增强的方法和装置。 本主题涉及助听装置中自动接收增强的方法和装置。 它提供了对稳定和瞬态输入可靠的功率估计方案。 它提供了在存储大小和计算效率方面有效和高效的TSM估计方案。 采用决策树的实施例提供了全向和补偿的定向信号之间的权重因子。 由此产生的决策逻辑在嘈杂条件下进行通话时提高语音清晰度。 当暴露于噪音时,决策逻辑也可以提高听觉舒适度。 附加的方法和装置可以在说明书中找到并且由所附权利要求及其等同物提供。