介绍磁共振成像中的敏感性编码技术的原理、图像重建算法及图像的信噪比。
This article introduces the principle and image reconstruction algorithm and SNR of sensitivity encoding technology in magnetic resonance imaging.
利用相位编码信号探测高速运动目标时，存在多普勒频率敏感性问题，需要对多普勒频率进行补偿。
When detecting the high-speed moving target by using phase-coded signals, Doppler frequency compensation is necessary because of the Doppler frequency sensitivity of phase-coded signals.
结论超声激励脉冲编码技术是一项有价值的诊断技术，对RA和OA的诊断具有高度的特异性和敏感性。
Conclusion: Ultrasonic excitation of pulse code is helpful and therefore has a high specificity and sensitivity in the diagnosis of ra and OA.
结论超声激励脉冲编码技术是一项有价值的诊断技术，对RA和OA的诊断具有高度的特异性和敏感性。
Conclusion: Ultrasonic excitation of pulse code is helpful and therefore has a high specificity and sensitivity in the diagnosis of ra and OA.
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