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    • 1. 发明授权
    • Fast fourier transform processor
    • 快速傅立叶变换处理器
    • US08166088B2
    • 2012-04-24
    • US11609017
    • 2006-12-11
    • Hua-Han LeeI-Hung Lin
    • Hua-Han LeeI-Hung Lin
    • G06F15/00
    • G06F17/142
    • An implement method of a FFT processor comprises the following steps. First, a 21 point FFT processor, which has an output and an input receiving a 2n+1 point data, is provided. A 2n-point FFT processor having an input and an output is provided. Sequentially, a multiplexer, which has a first input coupled to the output of the 21 point FFT processor, a second input receiving a 2n point data and an output coupled to the input of the 2n point FFT processor, is provided. When an input data is a 2n point data, the second input of multiplexer is coupled to the output thereof, and when an input data is a 2n+1 point data, the first input of multiplexer is coupled to the output thereof.
    • FFT处理器的实现方法包括以下步骤。 首先,提供具有输出和接收2n + 1点数据的输入的21点FFT处理器。 提供具有输入和输出的2n点FFT处理器。 顺序地,提供了具有耦合到21点FFT处理器的输出的第一输入的多路复用器,接收2n点数据的第二输入和耦合到2n点FFT处理器的输入的输出。 当输入数据为2n点数据时,多路复用器的第二输入端耦合到其输出端,当输入数据为2n + 1点数据时,多路复用器的第一输入端与其输出端相连。
    • 6. 发明授权
    • Wireless signal receiving method and receiver for in-phase to quadrature (I/Q) mismatch calibration
    • 用于同相到正交(I / Q)失配校准的无线信号接收方法和接收机
    • US08300735B2
    • 2012-10-30
    • US12623537
    • 2009-11-23
    • I-Hung Lin
    • I-Hung Lin
    • H03K9/06
    • H04B1/30H04B1/0032H04L27/3863H04L27/3872
    • A receiver receiving a Radio Frequency (RF) signal and generating a baseband signal is provided. An RF module receives the RF signal and down convert the RF signal according to a first oscillation frequency to generate an Intermediate Frequency (IF) signal. An IF module is coupled to the RF module and arranged to receive the IF signal and down convert the IF signal according to a second oscillation frequency to generate the baseband signal. A calibration module is coupled to the RF module and arranged to calculate the IF signal according to a third oscillation frequency to detect an I/Q mismatch, and generate an adjustment signal, accordingly, to calibrate the I/O mismatch.
    • 提供接收射频(RF)信号并产生基带信号的接收机。 RF模块接收RF信号并根据第一振荡频率对RF信号进行下变频以产生中频(IF)信号。 IF模块耦合到RF模块并被布置成接收IF信号,并根据第二振荡频率对IF信号进行下变频以产生基带信号。 校准模块耦合到RF模块并被布置成根据第三振荡频率计算IF信号以检测I / Q失配,并且相应地生成调整信号以校准I / O失配。
    • 9. 发明申请
    • FAST FOURIER TRANSFORM PROCESSOR
    • 快速傅立叶变换处理器
    • US20070180011A1
    • 2007-08-02
    • US11609017
    • 2006-12-11
    • Hua-Han LeeI-Hung Lin
    • Hua-Han LeeI-Hung Lin
    • G06F17/14
    • G06F17/142
    • An implement method of a FFT processor comprises the following steps. First, a 21 point FFT processor, which has an output and an input receiving a 2n+1 point data, is provided. A 2n-point FFT processor having an input and an output is provided. Sequentially, a multiplexer, which has a first input coupled to the output of the 21 point FFT processor, a second input receiving a 2n point data and an output coupled to the input of the 2n point FFT processor, is provided. When an input data is a 2n point data, the second input of multiplexer is coupled to the output thereof, and when an input data is a 2n+1 point data, the first input of multiplexer is coupled to the output thereof.
    • FFT处理器的实现方法包括以下步骤。 首先,提供具有输出和接收2n + 1 +点数据的输入的2< 1>点FFT处理器。 提供了具有输入和输出的二阶点FFT处理器。 顺序地,多路复用器具有耦合到2点FFT处理器的输出的第一输入端,接收第二点数据的第二输入端和耦合到 提供了2点“点”FFT处理器的输入。 当输入数据是2点的点数据时,多路复用器的第二输入耦合到其输出端,并且当输入数据是第2 + 1 + 1点数据 多路复用器的第一输入耦合到其输出端。