外部扩展模块 EFB300 (针对需要 UL 认证的市场)[手册]pdf,EN
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Hazardous voltage. Will cause death or serious injury. Turn off and
lock out all power supplying this device before working on this device
Replace all covers before power supplying this device is tu
基于无双线性对的无证书隐式认证的Kerberos协议改进,:针对Kerberos认证协议存在的密钥托管,口令攻击和重放攻击等缺陷,将隐式认证与无证
书密钥协商协议结合,提出了一种无双线性对的无证书隐式认证的Kerberos改进协议,避免了Kerberos
协议中第三方对信息的无举证窃听,有效克服了中间人攻击。新协议在增强模型下是可证明安全的,并
且仅需9次椭圆曲线上的点乘运算和2次哈希运算,具有较高的计算效率。27
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XA,XB,TA,T8,Ka1,K,K丽,KB,KB5)。
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Multiservice indoor distributed antenna system (MS-IDAS) plays an important role in wireless communications. This letter investigates a broadband antenna for MS-IDAS, which is composed of a loop-loaded dipole, a microstrip feeding line, and a flat re