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    • 1. 发明授权
    • Apparatus and method for synthesizing and generating an SSC modulated signal
    • 用于合成和产生SSC调制信号的装置和方法
    • US08165184B2
    • 2012-04-24
    • US12321379
    • 2009-01-17
    • Ramachandra CvMark L. GuentherJohn C. Calvin
    • Ramachandra CvMark L. GuentherJohn C. Calvin
    • H04B1/00
    • H04B1/69
    • An Arbitrary Waveform Generator (AWG) synthesizes and generates an SSC modulated signal by generating a modulating waveform with a frequency of an SSC modulation frequency, calculating the number of samples per data bit (SPUI) as a ratio of an upsampling frequency to a data rate of a data stream, calculating an amplification factor as the ratio of SSC deviation frequency to data rate of the data stream, generating the array of SSC Edges containing the edge variation with respect to single sample per bit, multiplying the amplification factor to the modulating waveform, generating an array of SSC Edges Upsampled, containing edge variations with respect to an Upsample factor per bit, and multiplying SSC Edges with SPUI; calculating the resultant bit duration SSC Bit Duration as the sum of SSC Edges Upsampled and SPU, and calculating the successive summation of SSC Bit Duration, to get SSC Bit Position.
    • 任意波形发生器(AWG)通过产生具有SSC调制频率的频率的调制波形来合成并产生SSC调制信号,将每个数据比特的采样数(SPUI)计算为上采样频率与数据速率的比率 计算一个放大系数作为数据流的SSC偏差频率与数据速率的比率,生成包含相对于每个单个样本的边缘变化的SSC边缘阵列,将放大系数乘以调制波形 产生一个SSC Edges的上行阵列,其中包含相对于每位Upsample因子的边缘变化,并将SSC边与SPUI相乘; 计算结果位持续时间SSC位持续时间作为上升采样和SPU的SSC边的和,并计算SSC位持续时间的连续求和,以获得SSC位位置。