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DSQC224C DSQC227 ABB某種檢測(cè)設(shè)備用來勘探待測(cè)物體的結(jié)構(gòu)，這種設(shè)備具有八個(gè)傳感器，用來感應(yīng)待測(cè)物體所傳回的信息，并且以仿照信號(hào)送出其效果，其信號(hào)頻率在7.5MHz左右。由于這八個(gè)信號(hào)彼此有時(shí)間上的聯(lián)絡(luò)，因此當(dāng)我們量測(cè)這八個(gè)傳感器信號(hào)時(shí)有必要要同一時(shí)間初步搜集，并且采樣時(shí)鐘要同一相位，否則運(yùn)算的效果會(huì)有差錯(cuò)。其他此檢測(cè)設(shè)備在傳感器初步傳送信號(hào)時(shí)，一同會(huì)有數(shù)字觸發(fā)信號(hào)輸出，其數(shù)字與仿照信號(hào)聯(lián)絡(luò)如圖七所示。
圖七 檢測(cè)設(shè)備的輸出時(shí)序圖
面對(duì)前述的量測(cè)需求，我們有必要選擇一個(gè)適合的量測(cè)模塊，才華抵達(dá)系統(tǒng)的要求。首要傳感器所回傳的信號(hào)頻率為7.5MHz，因此根據(jù)奈氏采樣定理，量測(cè)模塊的采樣頻率有必要在15MHz以上，且模塊本身的輸入頻寬有必要比7.5MHz高上許多，才不會(huì)構(gòu)成輸入信號(hào)的衰減。綜觀以上條件，我們選擇凌華科技推出的PXI-9820作為量測(cè)模塊。PXI-9820為一高速的數(shù)據(jù)搜集模塊，本身具有兩個(gè)采樣通道，其采樣率高達(dá)65MS/s，前級(jí)仿照輸入頻寬高達(dá)30MHz。其他PXI-9820本身配有鎖相環(huán)電路(PLL)，可以對(duì)外界的參看時(shí)鐘進(jìn)行相位斷定。PXI-9820也可經(jīng)過PXI的Star Trigger，對(duì)其他13個(gè)外設(shè)槽傳送高度精密的觸發(fā)信號(hào)。因此PXI-9820十分適宜用在這一個(gè)應(yīng)用里。
DSQC224C DSQC227 ABB有了適宜的量測(cè)模塊之后，我們要初步規(guī)劃怎樣進(jìn)行量測(cè)。首要，由于共有八個(gè)傳感器需求進(jìn)行量測(cè)，而一個(gè)PXI-9820只要兩個(gè)采樣通道，因此我們需求四片PXI-9820。其次量測(cè)規(guī)范要求各通道采樣的相位要相同，因此每一張量測(cè)模塊的時(shí)鐘有必要進(jìn)行同步。由于每一片PXI-9820本身有板載采樣時(shí)鐘，因此其時(shí)鐘無法保證都同相位。我們運(yùn)用PXI背板所供應(yīng)的10MHz參看時(shí)鐘作為PXI-9820的外界參看時(shí)鐘輸入，運(yùn)用PXI-9820本身的鎖相回路電路進(jìn)行時(shí)鐘的相位斷定。圖八是各片儀器模塊的采樣時(shí)鐘不同步的情況。圖九則為經(jīng)過PLL鎖相之后的時(shí)鐘效果。
圖八 不同步的采樣時(shí)鐘
圖九 同步的采樣時(shí)鐘
DSQC224C DSQC227 ABB最終，由于檢測(cè)設(shè)備在初步傳送傳感器的仿照數(shù)據(jù)時(shí)，會(huì)一同送出數(shù)字觸發(fā)信號(hào)，我們將此觸發(fā)信號(hào)當(dāng)作每一片PXI-9820的觸發(fā)條件。不過怎樣讓這一個(gè)觸發(fā)信號(hào)能精確的一同抵達(dá)每一張PXI-9820呢?我們將其中一張PXI-9820刺進(jìn)Star Trigger Controller槽位，運(yùn)用這一槽特有的Star trigger，傳送給其他的三張PXI-9820以抵達(dá)最精確的觸發(fā)時(shí)間。
DSQC 256A 3HAB2211-1 ABB
3HAB 2245-1 (DSQC 266H) 3HAB8800-1 ABB
DSQC 257D 3HAB2208-1 ABB
DSQC 331 3HAB7215-1 ABB
DSQC 266T 3HAB8802-1 ABB
DSQC 340 3HAB6914-1 ABB
DSQC 361 3HAC0373-1 ABB
DSQC 320 3HAB7231-1 ABB
DSQC 317 3HAB2220-1 ABB
DSQC 253 3HAA3563-AMA ABB
DSQC 345C 3HAB8101-3 ABB
DSQC 346A 3HAB8101-5 ABB
DSQC 325 3HAB2241-1 ABB
DSQC 350 3HNE00025-1 ABB
DSQC 354 3HNE00065-1 ABB
DSQC 266A 3HAB8796-1 ABB
DSQC 266B 3HAB8797-1 ABB
DSQC 266C 3HAB8798-1 ABB
DSQC 266K 3HAB8799-1 ABB
DSQC 266G 3HAB8801-1 ABB
DSQC 266U 3HAB8803-1 ABB
DSQC 371 3HAC2480-1 ABB
DSQC 236D 3HAB2207-1 ABB
DSQC 315 3HAB2214-1 ABB
DSQC 330 3HAB6372-1 ABB
DSQC 369 3HAC2424-1 ABB
DSQC 370 3HAC2425-1 ABB
DSQC 372 3HAC2481-1 ABB
DSQC 344 3HAB7686-1 ABB
DSQC 508 3HAC5393-2 ABB
DSQC 301 3HAA3573-ABA ABB
DSQC 324 6369901-331 ABB
DSQC 266T 6369901-353 ABB
DSQC 314A 3HAB2215-1 ABB
DSQC 314B 3HAB2216-1 ABB
DSQC 314C 3HAB2231-1 ABB
DSQC 345D 3HAB8101-4 ABB
DSQC 346C 3HAB8101-7 ABB
DSQC 346G 3HAB8101-8 ABB
DSQC 363 3HAC1462-1 ABB
DSQC 365 3HAC1620-1 ABB
DSQC 517 3HAC7055-1 ABB
DSQC 336 3HNE00001-1 ABB
DSQC 224 6369901-179 ABB
DSQC 208A YB560103-AS ABB
DSQC 248 3HAA3563-AAA ABB
DSQC 249B 3HAA3563-AHA ABB
DSQC 226 YB560103-BH ABB
DSQC 252 3HAA3563-ALA ABB
DSQC 223 6369901-178 ABB
DSQC 252 6369901-236 ABB
DSQC 260 3HAB2206-1 ABB
DSQC 563 3HAC16035-1 ABB
DSQC 328A 3HAC17970-1 ABB
DSQC 345A 3HAB8101-1 ABB
DSQC 346B 3HAB8101-6 ABB
DSQC 504 3HAC5689-1 ABB
3HAC14363-1 ABB
DSQC 501 3HAC3617-1 ABB
DSQC 108 YB161102-AN ABB
DSQC 210 YB560103-AM ABB
DSQC 255 3HAA3563-ARA ABB
DSQC 317 6369901-308 ABB
3E042759U ABB
DSQC 345E 3HAB8101-14 ABB
DSQC 321 3HAB2236-1 ABB
DSQC 116 YB161102-BE ABB
DSQC 239 YB560103-CH ABB
DSQC 254 3HAA3563-APA ABB
DSQC 307 3HAA3573-AJA ABB
DSQC 249A 6369901-237 ABB
DSQC 323 6369901-330 ABB
DSQC 315 6369901-332 ABB
DSQC 143 YB161102-CT ABB
DSQC 221 YB560103-BA ABB
DSQC 229 YB560103-BM ABB
DSQC 232 YB560103-BR ABB
DSQC 241 YB560103-CL ABB
DSQC 358C 3HAB8101-10 ABB
DSQC 358E 3HAB8101-12 ABB
DSQC 102 YB161102-AC ABB
3HAB8101-1 ABB
3HAC1620-1 ABB
DSQC 259 3HAB2205-1 ABB
DSQC 345B 3HAB8101-2 ABB
DSQC 500 3HAC3616-1 ABB
DSQC 503 3HAC3619-1 ABB
DSQC 358G 3HAB8101-16 ABB
DSQC 230 6369901-120 ABB
DSQC 253 6369901-218 ABB
DSQC 346C 6369901-421 ABB
DSQC 122 YB161102-BH ABB
DSQC 230 YB560103-BN ABB
3E042759 ABB
DSQC 302 3HAA3573-ACA ABB
DSQC 266A 6369901-349 ABB
DSQC 266G 6369901-352 ABB
DSQC 327 6369901-455 ABB
DSQC 539 6369901-574 ABB
3HAC17971-1 ABB
DSQC 308 3HAA3573-AKA ABB
DSQC 266B 6369901-350 ABB
DSQC 266C 6369901-351 ABB
DSQC 334 6369901-395 ABB
DSQC 331 6369901-418 ABB
DSQC 114 YB161102-BD ABB
DSQC 136 YB161102-CK ABB
DSQC 138 YB161102-CM ABB
DSQC 139 YB161102-CN ABB
DSQC 204 YB560103-AE ABB
DSQC 118 YB161102-BL ABB
DSQC 258 3HAA3563-AUA ABB
DSQC 346E 3HAB8101-11 ABB
DSQC 209 6369901-102 ABB
DSQC 249B 6369901-217 ABB
DSQC 248 6369901-226 ABB
DSQC 100 YB161102-AA ABB
DSQC 112 YB161102-BC ABB
DSQC 209 YB560103-AL ABB
3HAC023447-001 ABB
3HAC18159-1 ABB
3HAC14279-1 ABB
DSQC 257 3HAA3563-ATA ABB
DSQC 358F 3HAB8101-15 ABB
3HAC6546-1 ABB
3HAC14265-1 ABB
DSQC 373 3HAC3180-1 ABB
3E041927U ABB
DSQC 504 3HAC5689-1 ABB
DSQC 346U 3HAB8101-13 ABB
DSQC 202 6369901-100 ABB
DSQC 211 6369901-104 ABB
DSQC 228 6369901-117 ABB
DSQC 241 6369901-216 ABB
DSQC 335 6369901-327 ABB
DSQC 363 6369901-425 ABB
DSQC 346E 6369901-464 ABB
DSQC 219 YB560103-AY ABB
DSQC 233 YB560103-BS ABB
DSQC 564A 3HAC022104-001 ABB
DSQC 540A 6369901-610 ABB
DSQC 105 YB161102-AF ABB
DSQC 508 3HAC5393-2 ABB
DSQC 323 3HAB5956-1 ABB
DSQC 324 3HAB5957-1 ABB
DSQC 539 3HAC14265-1 ABB
DSQC 505 3HAC4296-1 ABB
DSQC 230 3E041456 ABB
DSQC 244 3HAA3563-AKA ABB
DSQC 115 YB161102-BS ABB
DSQC 129 YB161102-BV ABB
DSQC 351 3HNE00006-1 ABB
DSQC 126 YB161102-BM ABB
DSQC 359 3HAC0261-1 ABB
DSQC 524 3HAC10846-1 ABB
DSQC 600 3HAC12814-1 ABB
DSQC 601 3HAC12815-1 ABB
DSQC 611 3HAC13389-2 ABB
DSQC 561 3HAC16036-1 ABB
DSQC 332A 3HAC17973-1 ABB
DSQC 127 YB161102-BY ABB
DCQC 355 3HNE00554-1 ABB
DSQC 237 YB560103-CF ABB
DSQC 626 3HAC020465-001 ABB
DSQC 249A 3E041641 ABB
DSQC 334 3HAB5845-1 ABB
DSQC 352 3HNE01590-1 ABB
DSQC 377 3HNE01586-1 ABB
DSQC 266H 6369901-354 ABB
DSQC 223 YB560103-BD ABB
DSQC 368 3HAC2183-1 ABB
DSQC 313 6369901-339 ABB
DSQC 661 3HAC026253-001 ABB
DSQC 633 3HAC022286-001 ABB
DSQC 210 6369901-103 ABB
DSQC 129 6369901-33 ABB
DSQC 314B 6369901-335 ABB
DSQC 332 6369901-403 ABB
DSQC 113 YB161102-BB ABB
DSQC 119 YB161102-BF ABB
DSQC 121 YB161102-BN ABB
DSQC 125 YB161102-BR ABB
DSQC 124 YB161102-BU ABB
DSQC 130 YB161102-CA ABB
DSQC 135 YB161102-CH ABB
DSQC 137 YB161102-CL ABB
DSQC 200 YB560103-AA ABB
DSQC 201 YB560103-AB ABB
DSQC 205 YB560103-AD ABB
DSQC 206 YB560103-AG ABB
DSQC 212 YB560103-AP ABB
DSQC 218 YB560103-AV ABB
DSQC 220 YB560103-AZ ABB
DSQC 225 YB560103-BG ABB
DSQC 322 3HAB5960-1 ABB
DSQC 602 3HAC12816-1 ABB
DSQC 604 3HAC12928-1 ABB
DSQC 540 3HAC14279-1 ABB
DSQC 612 3HAC15639-1 ABB
DSQC 253 3E042816 ABB
DSQC 314A 3E033017 ABB
DSQC 335 3HAB6182-1 ABB
DSQC 110 YB161102-BA ABB
DSQC 544A 3HAC16917-3 ABB
DSQC 564B 3HAC022104-002 ABB
DSQC 314A 3E033017U ABB
DSQC 230 3E041456U ABB
DSQC 346A 6369901-428 ABB
DSQC 355 6369901-476 ABB
DSQC 529 6369901-578 ABB
DSQC 142 YB161102-CR ABB
DSQC 346C 3HAB8101-7 ABB
DSQC 235A YB560103-BY ABB
DSQC 211S 5FSE706364-2 ABB
DSQC 258 6369901-271 ABB
DSQC 324 3HAB5957-1 ABB
DSQC 319 3HAB7060-1 ABB
DSQC 603 3HAC12817-1 ABB
DSQC 327A 3HAC17971-1 ABB
DSQC 615 3HAC14944-1 ABB
DSQC 352 3HNE00009-1 ABB
DSQC 503 6369901-506 ABB
DSQC 260 6369901-604 ABB
DSQS 173 6369901-34 ABB
DSQC 239 6369901-228 ABB
DSQC 314C 6369901-336 ABB
DSQC 266K 6369901-355 ABB
DSQC 117 YB161102-BG ABB
DSQC 115 YB161105-BZ ABB
DSQC 544B 3HAC16917-4 ABB
DSQC 562 3HAC17396-1 ABB
DSQC 510 3HAC5577-1 ABB
DSQC 507 3HAC7520-1 ABB
DSQC 210 3E041246 ABB
DSQC 210 3E041246U ABB
DSQC 236D 3E041927 ABB
DSQC 378 3HNE00421-1 ABB
DSQC 346G 6369901-358 ABB
DSQC 103 YB161102-AD ABB
DSQC 336 6369901-414 ABB
DSQC 345E 6369901-491 ABB
DSQC 545A 6369901-534 ABB
DSQC 626 6369901-638 ABB
DSQC 314 CS-0037 ABB
DSQC 344 6369901-364 ABB
DSQC 249A 3HAA3563-AGA ABB
DSQC 518B 6369901-525 ABB
DSQC 320 6369901-528 ABB
DSQC 358E 6369901-536 ABB
DSQC 321 6369901-329 ABB
DSQC 346U 6369901-490 ABB
DSQC 546A 6369901-535 ABB
DSQC 361 3HAC0373-1 ABB
DSQC 532A 3HAC18158-1 ABB
DSQC 266G 3E042760 ABB
DSQC 512 3HAC5579-1 ABB
DSQC 362 3HNE00405-1 ABB
DSQC 541 3HAC14363-1 ABB
DSQC 564C 3HAC022104-006 ABB
DSQC 510 3HAC5577-1 ABB
DSQC 110 6369901-26 ABB
DSQC 325 6369901-322 ABB
DSQC 345C 6369901-357 ABB
DSQC 361 6369901-453 ABB
DSQC 509 6369901-526 ABB
DSQC 365 6369901-529 ABB
DSQC 227 YB560103-BK ABB
DSQC 228 YB560103-BL ABB
DSQC 328A 6369901-619 ABB
DSQC 518A 6369901-524 ABB
DSQC 215 YB560103-BF ABB
DSQC 236U 3HAA3563-ANA ABB
DSQC 236G 6369901-393 ABB
DSQC 236T 6369901-394 ABB
DSQC 350 6369901-431 ABB
CCBM-X4-DSQC-X4 3E041579 ABB
DSQC 522 6369901-507 ABB
DSQC 564B 3HNA001368-001 ABB
DSQC 358F 6369901-502 ABB
DSQC 351 6369901-433 ABB
CCBM-X2(X3)-DSQC-X2(X3) 3E041580 ABB
DSQC 208A 6369901-101 ABB
DSQC 212 6369901-105 ABB
DSQC 140 6369901-115 ABB
DSQC 227 6369901-116 ABB
DSQC 138 6369901-139 ABB
DSQC 220 6369901-162 ABB
DSQC 139 6369901-173 ABB
DSQC 225 6369901-214 ABB
DSQC 103 6369901-23 ABB
DSQC 232 6369901-233 ABB
DSQC 114 6369901-28 ABB
DSQC 115 6369901-29 ABB
DSQC 301 6369901-309 ABB
DSQC 266U 6369901-356 ABB
DSQC 236U 6369901-429 ABB
DSQC 200 6369901-98 ABB
DSQC 201 6369901-99 ABB
DSQC 127 YB161102-BYL ABB
DSQC 529 3HAC11819-1 ABB
DSQC 608 3HAC12934-1 ABB
DSQC 627 3HAC020466-001 ABB
DSQC 358C 6369901-420 ABB
DSQC 351 3HNE01786-1 ABB
DSQC 564B 3HAC022104-002(3HAC022104-001) ABB
DSQC 346B 6369901-452 ABB
DSQC 544B 6369901-603 ABB
DSQC 352 6369901-468 ABB
DSQC 306 6369901-298 ABB
DSQC 368 6369901-469 ABB
DSQC 546A 3HAB8101-18 ABB
DSQC 545A 3HAB8101-19 ABB
DSQC 625 3HAC020464-001 ABB
DSQC 637 3HAC023047-001 ABB
DSQC 510 6369901-576 ABB
DSQC 532A 6369901-607 ABB
DSQC 174 6369901-35 ABB
DSQC 345A 6369901-419 ABB
DSQC 345B 6369901-462 ABB
DSQC 345D 6369901-463 ABB
DSQC 544A 6369901-602 ABB
DSQC 332A 6369901-621 ABB
DSQC 604 3HAC020597-001 ABB
DSQC 631 3HAC021629-001 ABB
DSQC 500 3HAC3616-1 ABB
DSQC 327A 6369901-620 ABB
3E033864 ABB
3E041278 ABB
DSQC 223 3HAB2125-1 ABB
DSQC 374 3HAC3462-1 ABB
DSQC 328 3HAC1948-1 ABB
DSQC 239 3HAB2572-1 ABB
DSQC 385 3HAC9565-1 ABB
DSQC 355 3HAB7342-1 ABB
3E041250 ABB
3HAC14864-1 ABB
3HNM11971-1 ABB
DSQC 243 3HAA0001-CP ABB
DSQC 243 6369901-210 ABB
DSQC 202 3E041242U ABB
DSQC 509 3HAC5687-1 ABB
3E042760U ABB
3HAC11530-1 ABB
3HNE00955-1 ABB
6369901-639 ABB
DSQC 142 YB161600-CE ABB
3E041776 ABB
3E041926 ABB
DSQC 508 3HNE03277-1 ABB
3E041775 ABB
DSQC 505/5063HNE04092-1 ABB
DSQC 215 6369901-177 ABB
DSQC 224 26390351-PF ABB
3HAC020079-001 ABB
DSQC 224 YB560105-DH ABB
3HAC020633-001 ABB
3HAC022313-001 ABB
6369901-614 ABB
6369901-615 ABB
6369901-625 ABB
6369901-640 ABB
DSQC 562 3HAC16014-1 ABB
3HNE8101-1 ABB
3E041460 ABB
6369901-617 ABB
6369901-383 ABB
6369901-454 ABB
6369901-467 ABB
DSQC 231 YB560103-BP ABB
DSQC 624 3HAC020150-001 ABB
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