用于核四极共振的双对称方波塞曼调制器。
A bi-symmetric square wave Zeeman modulator for nuclear quadrupole resonance.
作者信息
Mao D, Petersen G L, Bray P J
机构信息
Department of Physics, Brown University, Providence, RI 02912.
出版信息
Solid State Nucl Magn Reson. 1992 Nov;1(4):227-30. doi: 10.1016/s0926-2040(10)80008-6.
PMID:1365735
Abstract
A simple circuit has been designed to generate a bi-symmetric square wave Zeeman modulation for the detection of nuclear quadrupole resonance. The square waveform not only provides an optimum result among bi-symmetric modulation waveforms, but also allows the observation of the Zeeman perturbed NQR powder pattern without the need for an extra external magnetic field.
摘要
已设计出一种简单电路，用于产生双对称方波塞曼调制，以检测核四极共振。该方波不仅在双对称调制波形中能提供最佳结果，还能在无需额外外部磁场的情况下观测到塞曼扰动的NQR粉末图样。
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