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当前对于各种加密算法。除了有针对性的破解算法,最基本的思想就是穷举密钥进行匹配,通常称为暴力破解算法。由于暴力破解算法包含密钥个数较多,遍历的时间超过实际可接受的范围。如果计算速度提高到足够快。这种遍历的算法因结构设计简......
方案描述: Renesas Electronics has produced the "EMMA Mobile" series of system LSI devices for portable mu......
Carrier Ethernet Service Demarcation in Optical NetworksArthur Harvey, Maxim以太网产品业务经理Abstract: This applicatio......
ERICSSON开关电源电路 如图为ERICSSON开关电路图。该电源采用自激式振荡电路,变压器耦合降压输出。接通电源后,220V交流电源经D1~D4桥式整流和C1滤波后输出约260V的直流高压,然后经R3、R5向......
A Mobile ECG (Electrocardiograph) is an advance over traditional electrocardiograph units. Its compact size ......
该电源采用自激式振荡电路,变压器耦合降压输出。接通市电后,220V交流经D1~D4桥式整流和C1滤波后输出约260V的直流高压,经R3、R5向高压开关三极管Q的负载L1和b极供电(b极电压受稳压管D5保护),Q管导通,电......