Description
内部干扰：是由系统的结构布局、线路设计、元器件性质变化和漂移等原因造成的，主要有：分别电容、分布电感引起的耦合感应；电磁场辐射感应；长线传输的波反射；多点接地造成的电位差引入的干扰；寄生震荡引起的干扰以及热噪声、闪变噪声、尖峰噪声等。
X-Ray EG&G System 210
CMI 950S X-Ray System for Coating Thickness & Alloys
HP 43856A X Ray system
Nicolet NXR1400 X-Ray System
HP FAXITRON 43855A X-RAY SYSTEM MEDICAL X-RAY CABINET
J B 70 INTRAORAL X-RAY SYSTEM THAT IS SMARTER
HP 43855B X Ray system
X0020 Panoramic Corp. PC-1000 Pan X-Ray System
