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295 939 91 (The ) 100 SB
395 939 166 (number ) 175 SB
570 939 55 (of ) 64 SB
634 939 140 (events ) 149 SB
783 939 180 (\(amount ) 189 SB
972 939 55 (of ) 64 SB
1036 939 267 (information\) ) 276 SB
1312 939 52 (to ) 61 SB
1373 939 60 (be ) 69 SB
1442 939 157 (handed ) 166 SB
1608 939 102 (over ) 111 SB
1719 939 52 (to ) 61 SB
1780 939 74 (the ) 83 SB
1863 939 105 (SPU ) 114 SB
1977 939 146 (should ) 156 SB
2133 939 47 (be) 47 SB
279 989 1208 (reduced to 'useful' events \(information\) as much as possible.) 1208 SB
220 1039 61 (E\) ) 62 SB
282 1039 178 (Because ) 179 SB
461 1039 55 (of ) 56 SB
517 1039 74 (the ) 75 SB
592 1039 102 (high ) 103 SB
695 1039 121 (event ) 122 SB
817 1039 88 (rate ) 89 SB
906 1039 52 (in ) 53 SB
959 1039 74 (the ) 75 SB
1034 1039 82 (CsI ) 83 SB
1117 1039 136 (\(order ) 137 SB
1254 1039 138 (20000 ) 139 SB
1393 1039 118 (cts/s\) ) 119 SB
1512 1039 41 (it ) 42 SB
1554 1039 91 (will ) 92 SB
1646 1039 77 (not ) 78 SB
1724 1039 60 (be ) 61 SB
1785 1039 176 (possible ) 177 SB
1962 1039 52 (to ) 54 SB
2016 1039 164 (transmit) 164 SB
279 1089 1639 (the full information event by event. Instead, detector images will be accumulated.) 1639 SB
220 1255 1436 (Under the above assumptions the following general scheme is foreseen:) 1436 SB
220 1363 55 (1\) ) 63 SB
283 1363 91 (The ) 99 SB
382 1363 168 (Module ) 176 SB
558 1363 166 (Control ) 174 SB
732 1363 238 (Electronics ) 246 SB
978 1363 155 (\(MCE\) ) 163 SB
1141 1363 146 (should ) 154 SB
1295 1363 124 (apply ) 132 SB
1427 1363 146 (analog ) 154 SB
1581 1363 290 (anticoindence ) 299 SB
1880 1363 250 (information ) 259 SB
2139 1363 41 (as) 41 SB
279 1413 124 (much ) 125 SB
404 1413 54 (as ) 55 SB
459 1413 176 (possible ) 177 SB
636 1413 52 (in ) 53 SB
689 1413 119 (order ) 120 SB
809 1413 52 (to ) 53 SB
862 1413 130 (throw ) 131 SB
993 1413 77 (out ) 78 SB
1071 1413 189 ('obvious' ) 190 SB
1261 1413 249 (background ) 250 SB
1511 1413 140 (events ) 141 SB
1652 1413 52 (in ) 53 SB
1705 1413 82 (CsI ) 83 SB
1788 1413 85 (and ) 86 SB
1874 1413 52 (in ) 53 SB
1927 1413 124 (CdTe ) 125 SB
2052 1413 128 (before) 128 SB
279 1463 116 (input ) 121 SB
400 1463 52 (to ) 57 SB
457 1463 74 (the ) 79 SB
536 1463 118 (SPU. ) 123 SB
659 1463 146 (Where ) 151 SB
810 1463 85 (this ) 90 SB
900 1463 46 (is ) 51 SB
951 1463 77 (not ) 82 SB
1033 1463 168 (feasible ) 173 SB
1206 1463 352 (\(CdTe-ASICS?\), ) 358 SB
1564 1463 74 (the ) 80 SB
1644 1463 221 (possibility ) 227 SB
1871 1463 72 (for ) 78 SB
1949 1463 231 (introducing) 231 SB
279 1513 1614 (coincidence flags \(CdTe/BGO, CdTe/CsI\) should be considered in order to ease ) 1615 SB
1894 1513 74 (the ) 75 SB
1969 1513 93 (task ) 94 SB
2063 1513 55 (of ) 56 SB
2119 1513 61 (the) 61 SB
279 1563 105 (SPU.) 105 SB
220 1671 55 (2\) ) 60 SB
280 1671 91 (The ) 96 SB
376 1671 105 (SPU ) 110 SB
486 1671 146 (should ) 151 SB
637 1671 60 (be ) 65 SB
702 1671 168 (realised ) 173 SB
875 1671 63 (by ) 68 SB
943 1671 212 (hardware, ) 217 SB
1160 1671 88 (that ) 93 SB
1253 1671 46 (is ) 51 SB
1304 1671 166 (without ) 171 SB
1475 1671 217 (processor, ) 222 SB
1697 1671 77 (but ) 83 SB
1780 1671 102 (with ) 108 SB
1888 1671 292 (programmable) 292 SB
279 1721 232 (parameters ) 238 SB
517 1721 52 (to ) 58 SB
575 1721 60 (be ) 66 SB
641 1721 68 (set ) 74 SB
715 1721 63 (by ) 69 SB
784 1721 74 (the ) 80 SB
864 1721 121 (DPE. ) 127 SB
991 1721 102 (This ) 108 SB
1099 1721 208 ('hardware ) 214 SB
1313 1721 120 (filter' ) 126 SB
1439 1721 79 (has ) 85 SB
1524 1721 74 (the ) 81 SB
1605 1721 93 (task ) 100 SB
1705 1721 55 (of ) 62 SB
1767 1721 150 (further ) 157 SB
1924 1721 188 (reducing ) 195 SB
2119 1721 61 (the) 61 SB
279 1771 166 (number ) 170 SB
449 1771 55 (of ) 59 SB
508 1771 140 (events ) 144 SB
652 1771 180 (\(amount ) 184 SB
836 1771 55 (of ) 59 SB
895 1771 267 (information\) ) 271 SB
1166 1771 135 (which ) 139 SB
1305 1771 46 (is ) 51 SB
1356 1771 52 (to ) 57 SB
1413 1771 60 (be ) 65 SB
1478 1771 157 (handed ) 162 SB
1640 1771 102 (over ) 107 SB
1747 1771 52 (to ) 57 SB
1804 1771 74 (the ) 79 SB
1883 1771 121 (DPE. ) 126 SB
2009 1771 91 (The ) 96 SB
2105 1771 75 (two) 75 SB
279 1821 113 (main ) 114 SB
393 1821 112 (tasks ) 113 SB
506 1821 88 (are: ) 89 SB
595 1821 280 (identification ) 281 SB
876 1821 55 (of ) 56 SB
932 1821 616 (coincidences/anticoincidences ) 617 SB
1549 1821 85 (and ) 86 SB
1635 1821 188 (applying ) 189 SB
1824 1821 35 (a ) 37 SB
1861 1821 208 ('Compton ) 210 SB
2071 1821 109 (logic') 109 SB
279 1871 72 (for ) 76 SB
355 1871 118 (those ) 122 SB
477 1871 140 (events ) 144 SB
621 1871 221 (coincident ) 225 SB
846 1871 52 (in ) 57 SB
903 1871 207 (CdTe/CsI ) 212 SB
1115 1871 30 (- ) 35 SB
1150 1871 52 (in ) 57 SB
1207 1871 119 (order ) 124 SB
1331 1871 52 (to ) 57 SB
1388 1871 130 (throw ) 135 SB
1523 1871 77 (out ) 82 SB
1605 1871 103 ('bad' ) 108 SB
1713 1871 153 (events. ) 158 SB
1871 1871 91 (The ) 96 SB
1967 1871 166 (number ) 171 SB
2138 1871 42 (of) 42 SB
279 1921 103 ('bad' ) 107 SB
386 1921 140 (events ) 144 SB
530 1921 91 (will ) 95 SB
625 1921 60 (be ) 64 SB
689 1921 171 (counted ) 175 SB
864 1921 85 (and ) 89 SB
953 1921 201 (recorded. ) 205 SB
1158 1921 91 (The ) 95 SB
1253 1921 131 ('good' ) 135 SB
1388 1921 140 (events ) 144 SB
1532 1921 91 (will ) 95 SB
1627 1921 60 (be ) 64 SB
1691 1921 145 (passed ) 149 SB
1840 1921 52 (to ) 57 SB
1897 1921 74 (the ) 79 SB
1976 1921 121 (DPE. ) 126 SB
2102 1921 78 (The) 78 SB
279 1971 291 (SPU will be a ) 292 SB
571 1971 115 (slave ) 116 SB
687 1971 52 (to ) 53 SB
740 1971 74 (the ) 75 SB
815 1971 121 (DPE. ) 122 SB
937 1971 240 (Commands ) 241 SB
1178 1971 91 (will ) 92 SB
1270 1971 60 (be ) 61 SB
1331 1971 215 (channeled ) 216 SB
1547 1971 111 (from ) 112 SB
1659 1971 74 (the ) 75 SB
1734 1971 108 (DPE ) 109 SB
1843 1971 169 (through ) 170 SB
2013 1971 74 (the ) 75 SB
2088 1971 92 (SPU) 92 SB
279 2021 266 (to the MCEs.) 266 SB
220 2187 1002 (3\) The DPE will perform the following functions:) 1002 SB
279 2295 685 (- support various operating modes) 685 SB
279 2345 1319 (- provide command interface between OBDH and the instruments) 1319 SB
279 2395 835 (- receive event information from the SPU) 835 SB
279 2445 912 (- apply further cleaning and/or data reduction) 912 SB
279 2495 887 (- produce detector images for the CsI events) 887 SB
279 2545 560 (- accumulate energy spectra) 560 SB
279 2595 491 (- distribute clock signals) 491 SB
279 2645 1608 (- collect housekeeping information from the instruments and feed into telemetry) 1608 SB
279 2695 759 (- apply compression where applicable) 759 SB
279 2745 906 (- perform 'packatising' for the ESA telemetry) 906 SB
279 2795 942 (- hand all data over to the OBDH for telemetry) 942 SB
1 #C
statusdict begin /manualfeed false store end
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279 215 1901 (Under the assumption that the basic telemetry capacity allocated to the IMAGER will be about) 1901 SB
279 265 63 (40 ) 65 SB
344 265 124 (kbit/s ) 126 SB
470 265 74 (the ) 76 SB
546 265 183 (majority ) 185 SB
731 265 55 (of ) 57 SB
788 265 74 (the ) 76 SB
864 265 230 (CdTe-only ) 232 SB
1096 265 140 (events ) 142 SB
1238 265 82 (can ) 84 SB
1322 265 60 (be ) 62 SB
1384 265 238 (transmitted ) 240 SB
1624 265 52 (in ) 54 SB
1678 265 60 (an ) 62 SB
1740 265 313 (event-by-event ) 316 SB
2056 265 124 (mode.) 124 SB
279 315 1300 (This may also be possible for the Compton \(CdTe/CsI\) events if ) 1301 SB
1580 315 74 (the ) 75 SB
1655 315 105 (SPU ) 106 SB
1761 315 82 (can ) 83 SB
1844 315 146 (indeed ) 147 SB
1991 315 166 (provide ) 167 SB
2158 315 22 (a) 22 SB
279 365 202 (reduction ) 206 SB
485 365 52 (in ) 56 SB
541 365 88 (rate ) 92 SB
633 365 143 (\(select ) 147 SB
780 365 118 (those ) 123 SB
903 365 140 (events ) 145 SB
1048 365 111 (from ) 116 SB
1164 365 74 (the ) 79 SB
1243 365 144 (proper ) 149 SB
1392 365 143 (FOV\). ) 148 SB
1540 365 91 (The ) 96 SB
1636 365 82 (CsI ) 87 SB
1723 365 140 (events ) 145 SB
1868 365 91 (will ) 96 SB
1964 365 107 (have ) 112 SB
2076 365 52 (to ) 57 SB
2133 365 47 (be) 47 SB
279 415 265 (accumulated ) 266 SB
545 415 54 (as ) 55 SB
600 415 183 ('detector ) 184 SB
784 415 163 (images' ) 164 SB
948 415 52 (in ) 54 SB
1002 415 35 (a ) 37 SB
1039 415 166 (number ) 168 SB
1207 415 103 (\(e.g. ) 105 SB
1312 415 105 (128\) ) 107 SB
1419 415 55 (of ) 57 SB
1476 415 149 (energy ) 151 SB
1627 415 187 (channels ) 189 SB
1816 415 85 (and ) 87 SB
1903 415 102 (over ) 104 SB
2007 415 35 (a ) 37 SB
2044 415 136 (certain) 136 SB
279 465 230 (integration ) 242 SB
521 465 102 (time ) 114 SB
635 465 103 (\(e.g. ) 115 SB
750 465 113 (1000 ) 126 SB
876 465 62 (s\). ) 75 SB
951 465 91 (The ) 104 SB
1055 465 108 (DPE ) 121 SB
1176 465 71 (\(as ) 84 SB
1260 465 194 (currently ) 207 SB
1467 465 177 (defined: ) 190 SB
1657 465 112 (max. ) 125 SB
1782 465 116 (input ) 129 SB
1911 465 88 (rate ) 101 SB
2012 465 168 (1Mbit/s,) 168 SB
279 515 1733 (memory 2 Mbyte, computing power 1.5 Mips\) should be able to fulfil the above tasks.) 1733 SB
220 623 55 (4\) ) 69 SB
289 623 91 (The ) 105 SB
394 623 214 (DPE/SPU ) 228 SB
622 623 146 (should ) 160 SB
782 623 124 (allow ) 138 SB
920 623 74 (the ) 89 SB
1009 623 202 (operation ) 217 SB
1226 623 55 (of ) 70 SB
1296 623 35 (a ) 50 SB
1346 623 261 ('Transparent ) 276 SB
1622 623 138 (Mode' ) 153 SB
1775 623 63 (by ) 78 SB
1853 623 135 (which ) 150 SB
2003 623 177 ('primary') 177 SB
279 673 250 (information ) 251 SB
530 673 111 (from ) 112 SB
642 673 74 (the ) 75 SB
717 673 193 (detectors ) 194 SB
911 673 94 (\(not ) 95 SB
1006 673 159 (vetoed, ) 160 SB
1166 673 77 (not ) 79 SB
1245 673 187 (screened ) 189 SB
1434 673 55 (or ) 57 SB
1491 673 182 (cleaned\) ) 184 SB
1675 673 99 (may ) 101 SB
1776 673 60 (be ) 62 SB
1838 673 251 (transmitted. ) 253 SB
2091 673 89 (This) 89 SB
279 723 742 (is to be used for diagnostic purposes.) 742 SB
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220 886 713 (3. Event Types and bits per event) 713 SB
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220 1004 952 (The CdTe detector has 128 x 128 = 16384 = 10) 952 SB
32 0 0 42 42 0 0 0 38 /Times-Roman /font32 ANSIFont font
1172 998 42 (14) 42 SB
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1214 1004 203 ( elements.) 203 SB
220 1062 835 (The CsI detector has 64 x 64 = 4096 = 10) 835 SB
32 0 0 42 42 0 0 0 38 /Times-Roman /font32 ANSIFont font
1055 1056 42 (12) 42 SB
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1097 1062 203 ( elements.) 203 SB
220 1171 130 (Event ) 131 SB
351 1171 118 (types ) 119 SB
470 1171 74 (are ) 75 SB
545 1171 155 (refered ) 156 SB
701 1171 52 (to ) 53 SB
754 1171 210 (according ) 212 SB
966 1171 52 (to ) 54 SB
1020 1171 160 (EID-B, ) 162 SB
1182 1171 163 (Section ) 165 SB
1347 1171 127 (1.7.1. ) 129 SB
1476 1171 83 (For ) 85 SB
1561 1171 74 (the ) 76 SB
1637 1171 210 (allocation ) 212 SB
1849 1171 55 (of ) 57 SB
1906 1171 85 (bits ) 87 SB
1993 1171 77 (per ) 79 SB
2072 1171 108 (event) 108 SB
220 1221 71 (we ) 81 SB
301 1221 121 (make ) 131 SB
432 1221 79 (use ) 89 SB
521 1221 55 (of ) 66 SB
587 1221 250 (information ) 261 SB
848 1221 124 (given ) 135 SB
983 1221 52 (in ) 63 SB
1046 1221 74 (the ) 85 SB
1131 1221 171 (minutes ) 182 SB
1313 1221 55 (of ) 66 SB
1379 1221 74 (the ) 85 SB
1464 1221 171 (Frascati ) 182 SB
1646 1221 174 (meeting ) 185 SB
1831 1221 55 (of ) 66 SB
1897 1221 202 (09.03.95. ) 213 SB
2110 1221 70 (For) 70 SB
220 1271 163 (relative ) 167 SB
387 1271 144 (timing ) 148 SB
535 1271 63 (14 ) 67 SB
602 1271 85 (bits ) 89 SB
691 1271 77 (per ) 82 SB
773 1271 121 (event ) 126 SB
899 1271 74 (are ) 79 SB
978 1271 184 (assumed ) 189 SB
1167 1271 102 (\(this ) 107 SB
1274 1271 143 (allows ) 148 SB
1422 1271 60 (an ) 65 SB
1487 1271 190 (accuracy ) 195 SB
1682 1271 55 (of ) 60 SB
1742 1271 215 (somewhat ) 220 SB
1962 1271 127 (better ) 132 SB
2094 1271 86 (than) 86 SB
220 1321 803 (0.1 ms, if a reset occures every second\).) 803 SB
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651 2114 72 (All ) 75 SB
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978 2114 54 (to ) 57 SB
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1112 2114 108 (DPE ) 111 SB
1223 2114 137 (would ) 141 SB
1364 2114 98 (only ) 102 SB
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1604 2114 182 (standard ) 186 SB
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1966 2114 106 (slow ) 110 SB
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220 2171 1301 (interfaces, i.e. HEPI would have no direct access to the DPE bus.) 1301 SB
220 2228 54 (In ) 55 SB
275 2228 120 (order ) 121 SB
396 2228 54 (to ) 55 SB
451 2228 107 (keep ) 108 SB
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763 2228 115 (clean ) 116 SB
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1704 2228 144 (should ) 145 SB
1849 2228 59 (be ) 61 SB
1910 2228 154 (housed ) 156 SB
2066 2228 114 (inside) 114 SB
220 2285 1032 (the DPE box and should be powered from the DPE.) 1032 SB
220 2399 1029 (Figure 2 shows a simplified block diagram of HEPI.) 1029 SB
220 2456 1222 (Event data from the detectors are read via serial interfaces to ) 1223 SB
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1518 2456 283 (preprocessor. ) 284 SB
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404 2570 97 (data ) 101 SB
505 2570 74 (are ) 78 SB
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741 2570 54 (to ) 58 SB
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911 2570 71 (via ) 75 SB
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1064 2570 90 (two ) 94 SB
1158 2570 182 (standard ) 186 SB
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1446 2570 64 (bit ) 68 SB
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625 2627 169 (through ) 174 SB
799 2627 35 (a ) 40 SB
839 2627 182 (standard ) 187 SB
1026 2627 87 (low ) 92 SB
1118 2627 64 (bit ) 69 SB
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1281 2627 197 (interface. ) 202 SB
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1776 2627 44 (is ) 49 SB
1825 2627 92 (also ) 97 SB
1922 2627 104 (used ) 109 SB
2031 2627 54 (to ) 59 SB
2090 2627 90 (send) 90 SB
220 2684 904 (HK information \(status of HEPI\) to the DPE.) 904 SB
1 #C
statusdict begin /manualfeed false store end
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1 #C
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