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頁籤選單縮合
題名 | 資訊安全稽核與警示保護剖繪初探=A Study on the Protection Profile of the Information Security Audit and Alarm |
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作者 | 樊國楨; 陳永佳; 張江藝; 盧公瑜; 鄭東昇; | 書刊名 | 電腦與通訊 |
卷期 | 107 2004.03[民93.03] |
頁次 | 頁116-129 |
專輯 | 網路服務安全技術專題 |
分類號 | 312.76 |
關鍵詞 | 資訊鎧甲; 安全稽核與警示; 保護剖繪; 共同準則; 保證; 安全功能; Common criteria; Information wrapper; Protection profile; Security assurance; Security audits and alarms; Security functional; |
語文 | 中文(Chinese) |
英文摘要 | A duplexer comprising transmitter (Tx) filter and receiver (Rx) filer using thin film bulk acoustic resonators (FBARs) for use in 1900 MHz PCS band is presented. The typical minimum rejection specifications for Rx filer are >50dB in the band of 1850-1910 MHz and for Tx filer are >40 dB in the band of 1930-1990 MHz. The duplexer requires filters to pose very steep roll-off characteristic because of the very narrow guard band. In the meanwhile, the input impedance must have high impedance in the stopband of each filer to guarantee the receiving signal will go to the Rx filter and the transmitting signal will go to the antenna only. This paper proposes a systematic methodology to design a duplexer to meet all the above requirements using FBARs with minimum auxiliary devices. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。