描述
一个运行正常的自控系统，如果改变给定值(或系统受干扰)，在无纸记录仪上观察曲线上、下波动2-3次就能稳定下来，一般可认为过渡过程在4:1~10:1的范围内。但是，对反应较快的流量、管道压力和小容量的液位调节系统，耍在无纸记录仪上严格地认定4:1~10:1的衰减曲线就比较困难。这时，可通过观察执行器动作的变化来判断。如果来回摆动2次就达到稳定，就可以近似认为是4:1衰减过程。
Alcatel OmniPCX Mix 0/4/4 Analogue/Digital Mixed Card
Network Card PCI Vivid Newbridge Alcatel 90-2111-32/A
Newbridge / Alcatel Dual E1 Card P/N: 90-0565-01 /R
Expedited shipping available
Alcatel / NewBridge Card 90-0661-01
Expedited shipping available
ALCATEL 622-9979-001 CARD FD-37G-1
Alcatel MDR Audio Adapter Card AE-31H-1 644-0043-001
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Alcatel MDR Audio Program Card 690-0209-001 N52R7821
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Alcatel MDR Ser. Chan. MUL Card AE-33L-1 644-0255-001
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Alcatel LPCO-B Splitter Card
Alcatel Input Conditioner Card UD-48L-3
Alcatel IDSL 32 Mod Card 68-0121-005
Alcatel SDSL 32 Mod Card 68-0127-004
