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47651504MVDR
- 本文提出在数字移动通信中子带滤波器组处理可以提高不同阵元信号的相关性,从而能改善自适应阵列抑制码间干扰(ISI)和共信道干扰(CCI)的能力.在文[6]的基础上,本文研究了子带滤波器组在宽带自适应天线旁 瓣相消中的应用,对其原理进行了理论分析,提出了有效的子带处理方法.经研究表明,子带滤波器组处理能有效增加主、辅助天线信号的相关性,从而提高系统干扰相消比.而且适当的过采样能使系统干扰相消比进一步提高.计算机仿真结果和实测雷达数据处理结果证实了子带处理方法的有效性和理论分析的正确性.-err
GPS
- 均匀线阵方向图形成,包含没有波束指向和30°波束指向,加切比雪夫权值(旁瓣幅度相同)-Uniform linear array pattern formation, with no beam pointing and 30 ° beam pointing, Gache Chebyshev weights (the same side-lobe amplitude)
OFDM_PSL
- 计算OFDM信号的峰值旁瓣电平(PSL)以及隔离度(I)的程序,改变信号形式可以得到任意波形的PSL和I。-Calculate the peak sidelobe level (PSL), as well as the isolation of the OFDM signal (I) procedure, to change the signal form of arbitrary waveform PSL and I can be.
谱修正与CPM
- 通过伪随机序列进行频率调制,并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)