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    • 51. 发明授权
    • Break event generation during transitions between modes of operation in a computer system
    • 在计算机系统中的操作模式之间的过渡期间中断事件生成
    • US06457082B1
    • 2002-09-24
    • US09281366
    • 1999-03-30
    • Xinmin ZhangLan WangPaul Poh Loh Cheok
    • Xinmin ZhangLan WangPaul Poh Loh Cheok
    • G06F1300
    • G06F1/324G06F1/3203G06F1/3296Y02D10/126Y02D10/172Y02D50/20
    • A break event in a computer system that can operate in one of a plurality of modes, such as a high performance mode and a low power mode is initiated only be logic that that detects when the transition between modes is complete. In the high performance mode, the CPU clock is faster than in the low power mode. The CPU voltage may also be higher in the high performance mode than in the low speed mode. The low power mode may be desirable for a portable computer operating from battery power in order to conserve the battery's charge. The computer system preferably transitions its CPU to a “sleep” state during the mode switch and precludes devices not associated with the mode transition from “waking” the CPU and disturbing the completion of the mode switch. Accordingly, only logic that detects the end of the mode switch can break the CPU out of its sleep state.
    • 可以在可以以诸如高性能模式和低功率模式的多种模式之一操作的计算机系统中的中断事件被开始,仅仅是检测模式之间的转换何时完成的逻辑。 在高性能模式下,CPU时钟比低功耗模式更快。 在高性能模式下,CPU电压也可能高于低速模式。 低功率模式对于从电池电源操作的便携式计算机可能是期望的,以便节省电池的电量。 计算机系统优选地在模式切换期间将其CPU转换到“睡眠”状态,并排除与“唤醒”CPU并且干扰模式切换完成的模式转换不相关的设备。 因此,只有检测模式切换结束的逻辑才能使CPU处于休眠状态。
    • 53. 发明授权
    • Receiving method, receiving system for magnetic resonance signals, and magnetic resonance imaging system
    • 接收方式,磁共振信号接收系统和磁共振成像系统
    • US09465092B2
    • 2016-10-11
    • US13689751
    • 2012-11-29
    • Markus VesterJian Min WangLan WangZhi Bin Li
    • Markus VesterJian Min WangLan WangZhi Bin Li
    • G01V3/00G01R33/54G01R33/36G01R33/3415
    • G01R33/54G01R33/3415G01R33/3621
    • A method and system for receiving magnetic resonance signals, and a magnetic resonance imaging system are provided. The method includes dividing coil units in a receiving coil array into different coil unit groups. For each of the coil unit groups, correlations are established between carrier frequencies and the signals received by each coil unit in the coil unit group. Low noise amplification is performed, and filtering and frequency mixing is performed on the signals received by all the coil units in the coil unit group according to the correlations to obtain intermediate frequency signals borne on the respectively corresponding carrier frequencies of an identical channel. After performing amplification and filtering on the intermediate frequency signals, the intermediate frequency signals are output to an analog-to-digital conversion unit to perform digital sampling so as to obtain digital domain signals.
    • 提供一种用于接收磁共振信号的方法和系统,以及磁共振成像系统。 该方法包括将接收线圈阵列中的线圈单元分成不同的线圈单元组。 对于每个线圈单元组,在线圈单元组中的载波频率和每个线圈单元接收的信号之间建立相关性。 执行低噪声放大,并且根据相关性对线圈单元组中的所有线圈单元接收到的信号进行滤波和混频,以获得承载在相同信道的相应载波频率上的中频信号。 在对中频信号执行放大和滤波之后,将中频信号输出到模数转换单元进行数字采样,以获得数字域信号。