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    • 2. 发明授权
    • Pilot channel tracking method based on multipath barycenter tracking loop
    • 基于多径重心跟踪循环的导频信道跟踪方法
    • US07366226B2
    • 2008-04-29
    • US10450561
    • 2001-12-12
    • Chunming ZhaoJinghong GuoXiaohu YouShixin Cheng
    • Chunming ZhaoJinghong GuoXiaohu YouShixin Cheng
    • H04B1/00
    • H04B1/70754H04B1/7085H04B1/7113H04B1/7117
    • The present invention discloses a method for pilot channel tracking based on multipath channel barycenter tracking loop, comprises steps of evaluating multipath fading channel parameters, calculating the barycenter of a multipath energy window, and loop filtering and adjusting the phase of spread spectrum sequence codes. The method of the invention does not need to individually track each delay path, thereby improving the tracking performance and timing recovery stability of a spread spectrum receiver. Only a multipath channel evaluator and a multipath energy window barycenter calculating means are used to track PN signals from a plurality of signal sources, thereby reducing hardware. Thus, a novelty coherent spread spectrum receiver can be constituted by cooperating with other parts.
    • 本发明公开了一种基于多径信道重心跟踪环路的导频信道跟踪方法,包括多径衰落信道参数评估,多径能量窗口重心计算,循环滤波和调频扩频序列码相位的步骤。 本发明的方法不需要单独跟踪每个延迟路径,从而提高扩频接收机的跟踪性能和定时恢复稳定性。 仅使用多径信道评估器和多径能量窗重心计算装置来跟踪来自多个信号源的PN信号,由此减少硬件。 因此,可以通过与其他部分协作来构成新颖的相干扩频接收机。
    • 9. 发明授权
    • Methods and apparatus for current sensing
    • 电流检测方法和装置
    • US08143870B2
    • 2012-03-27
    • US12332910
    • 2008-12-11
    • Timothy M. NgJinghong GuoKenneth Ostrom
    • Timothy M. NgJinghong GuoKenneth Ostrom
    • G05F1/573
    • G01R19/0092H02M3/156H02M2001/0009
    • Methods and apparatus for current sensing according to various aspects of the present invention operate in conjunction with a current sensor adapted to sense the current provided to a load via a transistor. In one embodiment, a power supply includes the current sensor, and supplies the current through a series combination of an inductor and the transistor. The current sensor is adapted to generate the inductor current signal according to a sensed current in the inductor, and may comprise a series combination of a first resistor and a second resistor. The resistive series combination is adapted to be connected in parallel to the series combination of the inductor and the transistor.
    • 根据本发明的各个方面的用于电流感测的方法和装置与适于感测经由晶体管提供给负载的电流的电流传感器一起工作。 在一个实施例中,电源包括电流传感器,并且通过电感器和晶体管的串联组合提供电流。 电流传感器适于根据电感器中感测的电流产生电感器电流信号,并且可以包括第一电阻器和第二电阻器的串联组合。 电阻串联组合适于与电感器和晶体管的串联组合并联。