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    • 71. 发明授权
    • Operating head with phased fluid delivery
    • 操作头与分流输送
    • US4852947A
    • 1989-08-01
    • US123140
    • 1987-11-20
    • Philip Jones
    • Philip Jones
    • B23Q1/00E21C35/23
    • E21C35/23B23Q1/0018
    • Operating head assembly, e.g. cutter head of a coal or other mining machine having provision for feeding a supply of water or other fluid to the head during operation has provision for phasing the fluid delivery to limit it to the zone about the head in which the cutting action is taking place dependent on the direction of movement of the head. Delivery jets of the head are fed through individual valve units (22) each having an independently operable hydraulic or other actuator (28), the power input thereto being controlled by apertured timing faces (36, 38) on co-acting parts of the head (11) and body (10), power feed through the timing faces being controlled e.g. in correspondence to the position of change-over valve (44, 46) operating in response to controls which direct movement of the head. In an alternative construction the valve units are actuated mechanically by a camming formation which can be indexed depending on the direction of movement.
    • 操作头组件,例如 具有用于在操作期间向头部供应水或其它流体的煤或其他采矿机的切割头具有用于定量流体输送以将其限制在围绕头部进行切割动作的区域相关的区域 在头部运动的方向上。 头部的输送射流通过各自具有可独立操作的液压或其它致动器(28)的单个阀单元(22)进给,其输入的功率由位于头部的协同作用部分上的有孔正时面(36,38)控制 (11)和主体(10),通过正时面的动力馈送被控制,例如 对应于转向阀(44,46)的位置,该转换阀响应于引导头部移动的控制而操作。 在替代结构中,阀单元通过凸轮结构机械地致动,该凸轮结构可根据运动方向进行分度。
    • 73. 发明授权
    • Processing digital samples in a wireless receiver
    • 在无线接收机中处理数字样本
    • US09479215B2
    • 2016-10-25
    • US12016652
    • 2008-01-18
    • Carlo LuschiSimon WalkerSteve AllpressPhilip Jones
    • Carlo LuschiSimon WalkerSteve AllpressPhilip Jones
    • H04B1/707H04L25/02H04L25/03
    • H04B1/707H04B2201/7071H04L25/0212H04L25/03012
    • A method of processing digital samples of a signal received at a receiver of a wireless communication system includes monitoring channel conditions and generating a channel indicator including at least one channel parameter by performing at least one of: estimating a channel mobility parameter and comparing it with a threshold; estimating a channel parameter of the energy of the channel outside a predefined temporal window, and comparing it with a threshold; estimating a channel temporal duration parameter and establishing if it meets predetermined criteria; estimating a channel-zero location parameter and establishing if it meets predetermined criteria; estimating a received-signal signal-to-disturbance power ratio, and comparing it to a threshold; estimating an estimated-channel-response signal-to-disturbance power ratio; estimating the degree of non-stationarity of the disturbance at the receiver input; and selecting one of a plurality of processing routines for processing the digital samples based on said channel indicator. Related receivers are also described.
    • 一种处理在无线通信系统的接收机处接收的信号的数字样本的方法包括监视信道状况并通过执行以下中的至少一个来生成包括至少一个信道参数的信道指示符:估计信道移动性参数并将其与 阈; 估计在预定时间窗口之外的信道的能量的信道参数,并将其与阈值进行比较; 估计信道时间持续时间参数并确定它是否符合预定标准; 估计信道零位置参数并确定它是否符合预定标准; 估计接收信号信号与干扰功率比,并将其与阈值进行比较; 估计信道响应信号与干扰功率比; 估计接收机输入干扰的非平稳度; 以及基于所述信道指示符选择用于处理数字样本的多个处理例程之一。 还描述了相关接收机。
    • 80. 发明授权
    • Radio receiver in a wireless communications system
    • 无线电接收机在无线通信系统中
    • US08189653B2
    • 2012-05-29
    • US12016640
    • 2008-01-18
    • Carlo LuschiSimon HuckettSimon WalkerSteve AllpressPhilip Jones
    • Carlo LuschiSimon HuckettSimon WalkerSteve AllpressPhilip Jones
    • H03H7/30
    • H04L25/03114H04B2201/7071H04L25/0212H04L2025/03566H04L2025/03726
    • Techniques are described for optimizing processing facilities of a receiver in a wireless communication environment, taking into consideration processing performance set against the computing resources and/or power consumption required to obtain the processing performance. An embodiment of a radio receiver is described that includes a channel equalization means arranged to receive digital samples of an incoming signal and to generate an equalized output, said channel equalization means including means for processing said digital samples in accordance with an equalizer algorithm utilizing a set of equalizer parameters. The receiver can include means for estimating at least one parameter of a channel over which the signal has been received, and means for selecting at least one of said equalizer parameters based on at least one of said estimated channel parameters. Related methods, algorithms, and computer program products are also described.
    • 描述了在无线通信环境中优化接收机的处理设施的技术,考虑到针对获得处理性能所需的计算资源和/或功耗设置的处理性能。 描述了一种无线电接收机的实施例,其包括信道均衡装置,其被配置为接收输入信号的数字样本并产生均衡的输出,所述信道均衡装置包括用于根据利用集合的均衡器算法处理所述数字样本的装置 均衡器参数。 接收机可以包括用于估计已经在其上接收信号的信道的至少一个参数的装置,以及用于基于所述估计的信道参数中的至少一个来选择所述均衡器参数中的至少一个的装置。 还描述了相关方法,算法和计算机程序产品。