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    • 10. 发明申请
    • Random number test circuit
    • 随机数测试电路
    • US20070162806A1
    • 2007-07-12
    • US11635590
    • 2006-12-08
    • Mari MatsumotoTetsufumi TanamotoShinobu Fujita
    • Mari MatsumotoTetsufumi TanamotoShinobu Fujita
    • G01R31/28
    • G06F7/58G06F17/15
    • The random number test circuit includes a shift register which operates based on a clock and which successively stores serial random numbers generated by a random number generation element, a first random number being output from a predetermined stage of the shift register; a comparison circuit which compares the first random number with a second random number located at a distance of a first predetermined number of bits from the first random number, the second random number being generated by the random number generation element; a counter which counts a frequency of occurrence of equality or inequality between the first random number and the second random number, with respect to all bits in the serial random numbers, and a decision circuit which judges an article quality to be good if a count value in the counter indicates a frequency of occurrence equal to or less than a number determined previously by correlation.
    • 该随机数测试电路包括一个移位寄存器,该移位寄存器基于时钟进行操作,并连续地存储由随机数生成元件生成的串行随机数,第一随机数从移位寄存器的预定级输出; 比较电路,其将所述第一随机数与位于距所述第一随机数的第一预定位数的距离的第二随机数进行比较,所述第二随机数由所述随机数生成元生成; 相对于串行随机数中的所有比特来计算第一随机数和第二随机数之间的相等或不等式的发生频率的计数器,以及判断电路,如果计数值 在计数器中表示发生的频率等于或小于先前通过相关性确定的数字。