and Data Relay Satellite System Voltage controlled clock (VCC), 904, 908, (TDRSS), 952 Transmitted reference (TR) systems, 9 SR protected, 11 historical examples, 88, 117 Wagner, C., 90 historical notes, 53, 88 Wainberg, S., 297 weaknesses, 11 Wakabayashi, K., 952 Trellis diagram, 1121 Wald, A., 864, 866, 868, 871-875 Trumpis, B. D., 213, 220, 227, 238, 483-484, Ward, M., 106, 108 499, 501-503, 520, 550-552, 554, 556, Ward, R. B., 757, 761, 763 567-586, 591-592, 600, 652 Watson, E., 395 Trumpis (M-ary) codes, 550-552, 554, 556, WC (worst case) jamming of uncoded 561, 567-568, 570-572, 574-578, FH/MFSK signals, 475-497 581-586, 591-592, 600 Weber, C. L., 754, 763, 1089 Truncated Gaussian distribution, 848, 859 Wedge, T., 106 Truncation time of sequential test, 863 Welch, L. R., 47, 105, 317 Tsunogae, T., 952 Welch's inner product bound, 327-329, 360, Tuller, W. G., 47 Turin, G. L., 90, 1148, 1158 Weldon, E. J., Jr., 395, 1145 Turing, A. M., 52 White Gaussian noise, 137-138, 148, 154, Turyn, R., 297, 316 172, 180, 182-183, 195, 198, 204-205, 208, Two-level acquisition scheme, 985 214, 216, 220, 228, 238, 246, 1175-1176, 1178, 1183, 1185, 1188-1189, 1212 Whitaker, E. T., 45 Whittaker function, 663 Ultra-high-frequency (UHF), 1174 Whittle, R., 79, 81 Unbalanced QPSK, 952 WHYN (Wobbulated Hyperbolic Unified approach to serial search Navigation), 65, 66, 71, 114, 123 acquisition (see Serial search FH WICS (Wozencraft's Iterated Coding acquisition; Serial search PN System), 114 acquisition) Wide-band FM, 50, 55 Uniform channel, 600-622, 630, 635, 641, Wideband radiometer, 1033, 1038-1040 Widmann, L. C., 112, 113 Uniform stepping serial search techniques, Wiener, N., 46, 107, 121 Wiesner, J. B., 48, 86, 87, 94 Union bound, 195-196, 211-213 Wilmarth, J., 67 Union upperbound, 474-475, 500, 608 Wireless local area network (WLAN), 1161, Unknown channel state, 159 1164-1165, 1181 URC-55/URC-61 modems, 111 Wittman, J., 76 WLAN (wireless local area network), 1161, 1164-1165, 1181 Van der Meulen, E. C., 1143, 1144 Wobbulated Hyp