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Performance of Frequency-Modulated Pulses in NQR

机译：NQR中调频脉冲的性能

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摘要

This paper presents an analysis of the performance of frequency-modulated pulses and of pulses modulated simultaneously in amplitude and frequency in the pure nuclear quadrupolar resonance (NQR) spectroscopy of spin 3/2 nuclei. Computer simulations are given of the offset compensation efficiency of such pulses as applied to single crystals. Spin evolution equations were solved numerically. Experimental measurements, using FM pulses, of the ~(35)Cl NQR of sodium chlorate (NaClO_3) single crystal and of mercuric chloride (HgCl_2) powder are reported. The results suggest that frequency modulated pulses are alternative pulses to composite pulses in NQR.
机译：本文介绍了自旋3/2原子核的纯核四极共振（NQR）光谱中频率调制脉冲以及同时在幅度和频率上调制的脉冲的性能分析。给出了应用于单晶的脉冲补偿补偿效率的计算机模拟。自旋演化方程数值求解。报告了使用FM脉冲对氯酸钠（NaClO_3）单晶和氯化汞（HgCl_2）粉末〜（35）Cl NQR进行的实验测量。结果表明，调频脉冲是NQR中复合脉冲的替代脉冲。

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