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分析了正交频分复用(OFDM)系统的原理及实现方案上推导出了计算OFDM系统误码率的理论计算公式,构造了高斯白噪声信道模型,并用Matlab进行了OFDM仿真。结果表明,OFDM系统误码率的理论曲线与仿真结果相一致。
The principle and realization scheme of Orthogonal Frequency Division Multiplexing (OFDM) system are analyzed. The theoretical calculation formula for calculating bit error rate of OFDM system is derived. The Gaussian white noise channel model is constructed and OFDM simulation is carried out by Matlab. The result shows that the theoretical curve of bit error rate in OFDM system is consistent with the simulation results.