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1·Objective Study the short period treatment of Hepatocellular carcinoma (HCC) by clustered electrode of radio frequence (RF) system.

目的研究集束电极射频治疗系统对肝癌治疗的近期疗效。

2·In radio environment of existing variable disturbtion and muti-way declining , expand frequence signal's broadband characteristics can improve system performance obviously.

在存在着各种干扰和多经衰落的无线环境中，扩频信号的宽带特性使得系统的性能得到明显的改善。