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    • 6. 发明申请
    • INSPECTING REPLICATED DATA
    • 检查替代数据
    • US20140229442A1
    • 2014-08-14
    • US13767299
    • 2013-02-14
    • Pranav WankawalaYingyu ChenHermann LueckhoffJun Shi
    • Pranav WankawalaYingyu ChenHermann LueckhoffJun Shi
    • G06F17/30
    • G06F17/30581G06F3/065G06F17/30575
    • Disclosed is system for monitoring data changes during a data replication process. The system includes a modeling module configured to select tables and fields to be monitored during execution of the data replication process, a trigger module configured to track changes of data being generated during execution of a program by inserting triggers into a destination system at the start of a program execution and then dropping the trigger at the end of program execution, a snapshot module configured to track changes of data being generated during execution of a program by generating a snapshot of data at the beginning and the end of program execution, and a report module configured to generate a report indicating changes in data based on the changes in data indicated by the triggers and based on the changes in data indicated by the snapshots of data.
    • 公开了一种用于在数据复制过程中监视数据更改的系统。 该系统包括建模模块,其被配置为选择在执行数据复制过程期间要监视的表和字段;触发模块,被配置为跟踪在程序执行期间正在生成的数据的变化, 程序执行,然后在程序执行结束时删除触发器;快照模块,被配置为跟踪在程序执行期间生成的数据的变化,通过在程序执行的开始和结束时生成数据快照,以及报告 模块,其被配置为基于由所述触发器指示的数据的变化并且基于由数据的快照指示的数据的变化来生成指示数据的改变的报告。
    • 7. 发明授权
    • System and method for transmtting and receiving signal with quasi-periodic pulse sequence
    • 用准周期脉冲序列传输和接收信号的系统和方法
    • US08774252B2
    • 2014-07-08
    • US12887101
    • 2010-09-21
    • Petru Cristian BudianuJun ShiDavid Jonathan Julian
    • Petru Cristian BudianuJun ShiDavid Jonathan Julian
    • H04B1/00
    • H04L25/49H04B1/7174H04B1/7183H04B2001/6908
    • System and method are disclosed for synchronization of a transmitting device and a receiving device that communicate with each other via pulse modulation. The synchronization technique entails the transmitting device sending one or more quasi-periodic pulse sequences to the receiving device. A quasi-periodic pulse sequence is based on a substantially periodic pulse sequence, and may include some non-periodic pulses or not include some periodic pulses. The transmitting device may transmit frames each including a preamble that comprises one or more quasi-periodic pulse sequences, and a data payload that may comprise data. The receiving device receives the signal, generates samples of the signal, and detects the quasi-periodic pulse sequences in the received signal by analyzing samples based on a sample associated with a pulse and the period associated with the substantially periodic pulse sequence. The receiving device is further able to detect frames based on the detection of the sequence, and extract data therefrom.
    • 公开了用于通过脉冲调制相互通信的发送设备和接收设备的同步的系统和方法。 同步技术需要发送设备向接收设备发送一个或多个准周期脉冲序列。 准周期性脉冲序列基于基本上周期性的脉冲序列,并且可以包括一些非周期脉冲或不包括一些周期脉冲。 发送设备可以发送各自包括包括一个或多个准周期性脉冲序列的前同步码的帧和可以包括数据的数据有效载荷。 接收装置接收信号,产生信号样本,并且通过基于与脉冲相关联的样本和与基本周期性脉冲序列相关联的周期来分析样本来检测接收信号中的准周期脉冲序列。 接收装置还能够根据序列的检测来检测帧,并从中提取数据。