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Password authentication with smart card is one of the most convenient and effective two-factor authentication mechanisms for remote systems to assure one communicating party of the legitimacy of the corresponding party by acquisition of corroborative evidence. This technique has been widely deployed for various kinds of authentication applications, such as remote host login, online banking, e-commerce...
As a core link of battery energy storage system (BESS) for grid-connection, the dual-active-bridge (DAB) converter has significant effects on the performance of the whole system. In order to address the mismatch voltage issue of DAB in BESS, an optimal control strategy is proposed. The paper discusses the operation principle of the circulating power, and analyzes the voltage, transmission power and...
Rivest, Shamir and Adleman (RSA) encryption algorithm is one of the most widely used and popular public-key cryptosystem. The main step in this algorithm is modular exponentiation which can be done by a sequence of modular multiplication. Thus, modular multiplication is the major factor, in many cryptosystems, e.g. the RSA Two-Key system and in the proposed digital signature standard DSS. One of the...
This paper provides an overview of the development, fabrication and measurement results of a new type of silicon microphone. It mainly consists of a low stress nickel membrane with a nonlinear frequency response and a gold backplate electrode. The microphone can be used as condenser or electret microphone. A sensitivity of -64 dBV/Pa at 52 V bias was obtained with an air gap of 20 mum and membrane...
To increase memory bandwidth with minimum area overhead, the new concept of 3D-stacked memory structure consisting of a small sense amplifier shared with a few 3D memory cells has been presented. The 16 bit 3D-stacked TiO2 memory chip was fabricated and demonstrated. The estimated bandwidth per unit area of 3D-stacked memory in sub-65 nm CMOS technology indicates that the 3D-stacked memory has potential...
Bulk nanostructured (Bi,Sb)2Te3 compounds and GeTe based amorphous/nanocrystal composites have been successfully fabricated by the combined hydrothermal/hot-pressing and quenching/annealing methods, respectively. The (Bi,Sb)2Te3 nanopowders synthesized by hydrothermal method exhibit a hollow-like structure. After hot-pressing, the nanoscale grains varying from tens to hundreds of nanometers were found...
This paper is concerned with the direct approach of adaptive generalized predictive control. An implicit model With control law parameters is developed. A direct adaptive generalized predictive control algorithm and an improved variant are suggested. Global convergence of the algorithms is analyzed under some assumptions.
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