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"A wireless portable SOS device based on all-digital-phase-locked-loop."
Xue-Jiao Zhang et al. (2015)
- Xue-Jiao Zhang, Keji Cui, Zhuo Zou, Li-Rong Zheng:
A wireless portable SOS device based on all-digital-phase-locked-loop. ICCE-TW 2015: 402-403
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