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    • 8. 发明授权
    • Apparatus and method for variable fast fourier transform
    • 用于可变快速傅里叶变换的装置和方法
    • US08510362B2
    • 2013-08-13
    • US12517781
    • 2007-06-18
    • Young-Jin MoonHyun-Jae KimKi-Seok KimYoung-II Kim
    • Young-Jin MoonHyun-Jae KimKi-Seok KimYoung-II Kim
    • G06F17/14
    • G06F17/142
    • The present invention relates to an apparatus and method for variable fast Fourier transform. According to an embodiment of the present invention, two n-point fast Fourier transform (FFT) processors are used to generate two n-point FFT output data or one 2n-point FFT output data. The one 2n-point input data is alternately input to the two n-point FFT processors. Each of the two n-point FFT processors selects a twiddle factor for the n-point input data or the 2n-point input data and performs fast Fourier transform. A butterfly operation is performed on signals obtained by performing fast Fourier transform on the 2n-point input data signal, and the processed signals are aligned in an output order. According to this structure, it is possible to realize a fast Fourier transform hardware engine that selectively performs multi-frequency allocation in a base station system that supports the multi-frequency allocation.
    • 本发明涉及一种用于可变快速傅里叶变换的装置和方法。 根据本发明的实施例,使用两个n点快速傅里叶变换(FFT)处理器来产生两个n点FFT输出数据或一个2n点FFT输出数据。 一个2n点输入数据交替地输入到两个n点FFT处理器。 两个n点FFT处理器中的每一个为n点输入数据或2n点输入数据选择旋转因子,并执行快速傅里叶变换。 对通过对2n点输入数据信号执行快速傅里叶变换获得的信号执行蝶形运算,并且处理的信号以输出顺序对准。 根据该结构,能够实现在支持多频分配的基站系统中选择性地进行多频分配的快速傅里叶变换硬件引擎。
    • 10. 发明申请
    • METHOD OF DESIGNING NONVOLATILE MEMORY DEVICE
    • 设计非易失性存储器件的方法
    • US20130047132A1
    • 2013-02-21
    • US13570498
    • 2012-08-09
    • JAE-HO KIMDAE-SIN KIMHYUN-JAE KIMYOUNG-GU KIM
    • JAE-HO KIMDAE-SIN KIMHYUN-JAE KIMYOUNG-GU KIM
    • G06F17/50
    • G06F12/0246G06F2212/7206
    • In a computer-implemented method of designing a nonvolatile memory device, first parameters associated with external environmental conditions are set. Second parameters associated with structural characteristics and internal environmental conditions are set. A first initial operation condition associated with an erase operation is determined based on the first and second parameters. A second initial operation condition associated with a program operation is determined based on the first and second parameters and the first initial operation condition. A final operation condition associated with reliability is determined based on the first and second parameters, and the first and second initial operation condition.
    • 在设计非易失性存储器件的计算机实现方法中,设置与外部环境条件相关联的第一参数。 设定与结构特征和内部环境条件相关的第二参数。 基于第一和第二参数确定与擦除操作相关联的第一初始操作条件。 基于第一和第二参数和第一初始操作条件来确定与程序操作相关联的第二初始操作条件。 基于第一和第二参数以及第一和第二初始操作条件来确定与可靠性相关联的最终操作条件。