本文档展示了如何在SigmaStudio中计算各种IIR过滤器类型的B0、B1、B2、A1和A2。Sin = Sin, Cos = Cos, Tan = Tan, Sinh =双曲正弦，Log =以10为底对数
This document shows how to calculate B0, B1, B2, A1, and A2 for various IIR filter types in SigmaStudio. Sin = sine, Cos = cosine, Tan = tangent, Sinh = hyperbolic sine, Log = base 10 logarithm (2021-04-11, PDF, 226KB, 下载0次)
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Iec60870-5-104 Chinese standard document, protocol 104 is the protocol for the communication between the factory station and the main network station, with Ethernet as the carrier, and the service mode is balanced transmission. The 104 specification is available in 1997 and 2002, with little change in configuration, except that version 02 extends the starting address of telemetry, telepresence and other information bodies on version 97.
Iec60870-5-104 Chinese standard document, protocol 104 is the protocol for the communication between the factory station and the main network station, with Ethernet as the carrier, and the service mode is balanced transmission. The 104 specification is available in 1997 and 2002, with little change in configuration, except that version 02 extends the starting address of telemetry, telepresence and other information bodies on version 97. (2020-02-16, PDF, 420KB, 下载1次)
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介绍危险与可操作性分析(HAZOP)方法，HAZOP是过程工业中广泛应用的识别危险与操作性问题的安全分析技术之一，尤其是在化
工、石化等高危行业。
Abstract：Hazard and Operability Analysis(HAZOP)is one of the echniques most widely used in safety analysis
to identify hazards and operability problems in process industry，especially in industry with high risk like chemical
industry，petrochemical industry et a1． (2011-03-18, PDF, 1053KB, 下载3次)
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