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把阿达玛变换应用于伪随机信号激发的核磁共振是一新技术,称之为阿达玛变换核磁共振技术。本文探讨了伪随机序列与阿达玛矩阵之间的变换规律,对该技术进行了计算机模拟,结果表明,它的灵敏度要比脉冲傅里叶变换核磁共振技术的灵敏度高得多。
The application of Hadamard transform to pseudo-random signal excitation of nuclear magnetic resonance is a new technique called the Hadamard transform nuclear magnetic resonance technique. This paper explores the transformation rule between pseudo-random sequence and Hadamard matrix. The computer simulation of this technique shows that its sensitivity is much higher than the sensitivity of pulse Fourier transform (NMR).