CAJ | 학술논문

相关函数可以描述信号本身前后或两信号之间的联系紧密性。介绍了相关运算在信号处理中的一些应用，给出了相关检测以及基于相关运算的码速率估计的原理。理论分析和仿真实验表明，利用解析域的相关运算能够有效地检测出随机信号中的周期分量，并且基于相关运算的PSK和FSK信号的码速率估计性能较好。
상관함수가이묘술신호본신전후혹량신호지간적련계긴밀성。개소료상관운산재신호처리중적일사응용，급출료상관검측이급기우상관운산적마속솔고계적원리。이론분석화방진실험표명，이용해석역적상관운산능구유효지검측출수궤신호중적주기분량，병차기우상관운산적PSK화FSK신호적마속솔고계성능교호。
The correlation function describes the fore-and-aft relation of one signal and the relation between two signals. This paper introduces some applications of correlation operation in signal processing. The theories of correlation detection and symbol rate estimation based on correlation operation are described. The results of theoretical analysis and simulation show that the cyclic part of random signals can be detected effectively by correlation detection in analytic domain,and the symbol rate estimation of PSK and FSK signals based on correlation operation has good performance.