Noun
Initialism of powered air-purifying respirator.
(signal processing) Initialism of peak-to-average power ratio.
Source: en.wiktionary.orgAlthough the spectral efficiency of OFDM is attractive for both terrestrial and space communications, the high PAPR requirements have so far limited OFDM applications to terrestrial systems. Source: Internet
Power.org released a unified ISA, combining POWER and PowerPC ISAs into the new Power ISA v.2.03 specification and a new reference platform for servers called PAPR (Power Architecture Platform Reference). Source: Internet