read-spectrum multiple-access (SSMA), TDL (see Tau-dither loop) 25, 1105-1106, 1110, 1113-1114, 1116, TDMA (time division multiple access), 1123-1124, 1138, 1140, 1175-1176 1106-1107, 1109, 1113-1114, 1145, 1146, signal designs, 334-360 1159, 1160, 1169-1170, 1172, 1175-1180, Spreading bandwidth, 671 1183-1186, 1193, 1194 Spreading modulation techniques, 11 TDRSS (Tracking and Data Relay Satellite Springett, J. C., 1011 System), 952 SQPN (staggered quadriphase PN) Tesla, N., 58 modulation, 951 TH modulations (see Time hopping Square-law combining (linear sum metric), modulations) 499-500 Thorensen, R., 109 SR (stored reference) systems, 11 Time coefficients, 310 SS (see Spread-spectrum) Time diversity, 470, 497, 499, 540-546 SSMA (see Spread-spectrum multiple- Time division duplexing (TDD), 1186, 1188, 1192-1194, 1210 access) Time division multiple access (see TDMA) Staggered quadriphase PN (SQPN) Time hopping (TH) modulations, 12, 1035, modulation, 951 1055, 1057 Stahnke, W., 395 historical example, 60 Star network, 1103-1104 Time-out of sequential test, 863, 872 Steck, C., 76 Time resolution, 29-37 Stochastic gradient technique, 987 DS/PSK modulation, 32-34 Index Time resolution (Cont.): Van Meter, D., 114, 116 FH/FSK modulation, 34-37 Van Vleck, J. H., 43 requirements, historical example, 67 Variable integration time detector, 754, 755 Time-shared loop (see Tau-dither loop) VCC (voltage controlled clock), 904, 908, Time-slotted S-CDMA technique, 1184 Time synchronization, 1179-1180 Verdu, S., 1116, 1121, 1123 of LPI receivers, 1059-1070 Verification algorith, 755 of non-coherent FH/MFSK systems, search/lock strategies, 755, 765, 885, 898 989-1011 Victor, W. K., 104 Time-wobbling, historical example, 56 Viterbi, A. J., 137, 476, 499, 636, 654-655, Timor, U., 1142 662, 1125, 1138, 1158 TR systems (see Transmitted reference Viterbi algorithm, 1121-1123 systems) Viterbi decoding, 202, 238, 242, 550, 565, Trace function, 301, 392-394 567, 652, 1110, 1171, 1173, 1191 Trace transform, 341 Vo, Q., 1147, 1148 Tracking 