描述
互調(diào)影響是指在輸入信號包含多個頻率分量時由接收器的非線性度而產(chǎn)生一些無用信號。一般用兩個頻率分量的輸入信號來測試接收器的互調(diào)特性。我們需要設(shè)置干擾信號讓三階互調(diào)分量落在接收器的通帶之中。干擾信號的能量與其它信號都相等并設(shè)定在指定的值,接下來再檢測有用信號的比特誤碼率。
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Allen Bradley Input Module 1771-IAD/D Series D#8386
Allen Bradley Power Supply Module 1771-P4S Ser B#8388
Omron Power Supply 3G2A3-PS221#8389
Omron I/O Device 3G2A3-PS221#8390
Moog Servo Motor 304-151A,Size 10,#8409
Circuit Board SS Proportioning 1094V0#7156
Engel 4 Channel Output Card AUSG77 EGD#7166
Mitsubishi Output Module AY51 Program Control#10814
Yuken Directional Valve T-DSG-01-3C4-D2?4-50248#10610
Vickers Power Amplifier EEA-PAM-561-A-3?2*NIB*#24590
Rexroth Proportional Amplifier VT5003 S42 R1#24599
Rexroth Proportional Amplifier VT5003 S41 R1#24600
Rexroth Proportional Amplifier VT5003-42/R1E#24602
Mitsubishi AD61 Programmable Controller Melsec#8007
Melsec AY11A High Speed Counter Controller#8008
Melsec AY23 Programmable Controller Mitsubishi#8009
Omron C120-SI021 Programmable Controller,#8012
Condor Power Supply CBB-105W#16937
Barber Colman 80CC-11001-002-?0-00 Sequence MACO#24836
Yuken Dirctional Valve T-DSG-01-3C40-D?24-5007#10608
Barber Colman 880BB-00020-002?-0-01 Insta Set Mod#24837
NEW Epoch Engel Heater Band IC 1000-300TA 1300W#22183
Fanuc CPU Control Board A16B-2200-0160/06B#24843
Parker Valve,LV41A,250 PSI,#11866
Battenfield Heater Band 180 Watt#22201
Payne Engineering Power Controller 18D-1-10#5239
Westinghouse Circuit Breaker 4990D03G05#5237
Westinghouse 4990D03624 Circuit Breaker#5235
AEC Temperature Control Unit A0535011#10604-06
Bodine Electric Gear Motor 42D5BEPM-E3 1/4HP#17013
Watlow Relay,KD30-1000-4U00,25 Amp,#11867
Red Lion Controls Slot Scan Module MCI 4Y01A#10603
Ceramic Heater Band 0381.300.02.051 2750W#22408
Gettys PC Board 11-0092-07 Circuit Board#11053
Fast Heat Ceramic Heater Band BKX10845 1375 Watt#22410
Springer Co-Ax Valve MK102C11GGB3/8P?20XB#10494-95
GE Fanuc Controller,IC693CPU321D,#11868
Gettys PC Board 11-0092-100 Circuit Board#11065
Fast Heat Heater Band BMX15345 288 Watt#22413
Numatics Valve Regulator VS22-04,C22D-04,F22B#16928
Heater Band 314511-B,375 Watt#22418
Numatics Valve Regulator VS22-03,R22R-03,F22B#16929