Objective Radiofrequency catheter ablation of slow pathway based only on fluoroscopy is relatively blind, with low success rate using single RF delivery, and has a high risk of atrioventricular block.
目的根据影像法射频消融房室结慢径是一相对盲目的方法，其单次放电的成功率低，导致房室阻滞的危险性高。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
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