000 00582 a2200241 4500
001 331406
020 _a
041 _aeng
080 _aLNASA TM X - 3200 : 1975
245 _aDigital phase-locked-loop speed sensor for accuracy improvement in analog in analog speed controls
250 _a
260 _aWashington, D.C.
260 _bNASA
260 _c1975
300 _a11 p.
300 _c
856 _u
490 _aNASA TM X - 3200 : 1975
700 _a
650 _a
650 _aBrayton Cycle, Frequency sensing, Phase-locked loop, Speed sensing
942 _cPP
942 _2UDC
999 _c194275
_d194275