描述
现场模拟量信号经A/D转换后变成离散的数字信号,然后将形成的数据按时间序列存入PLC内存。再利用数字滤波程序对其进行处理,滤去噪声部分获得单纯信号,可对输入信号用m次采样值的平均值来代替当前值,但井不是通常的每采样。次求一次平均值,而是每采样一次就与最近的m-l次历史采样值相加,此方法反应速度快,具有很好的实时性,输入信号经过处理后用干信号显示或回路调节,有效地抑制了噪声干扰。
Soundcraft DC2000 32-CH Pro Mixer Studio Mixing Console
Rhytec Portrait PSR3 Skin Regeneration Laser System
Fukuda Denshi UF-850XTD Digital Ultrasound Image System
Ohmeda RC0040 MedPlus Medical Duplex Vacuum Plant Pump
Chyron Aprisa SSX StillStore Server+Keyboard Controller
AE VHF Ovation 35162 RF Power Generator 3.5kW/162MHz
Newport TCB200-600-10um 1-Axis Linear Translation Stage
Chyron Duet-LEX CG Character Generator Animation Sys-3
Chyron Duet-LEX CG Character Generator Animation Sys-4
Chyron Aprisa VCS Multi-Channel Video Clip Server Sys