ID |
原文 |
译文 |
23705 |
该文基于忆阻器、忆容器和忆感器的物理模型与记忆机理,提出一种统一形式的记忆器件模型。 |
Based on the physical models and memory mechanisms of memristor, memcapacitor and meminductor, this study proposes a unified form of mem-elements model. |
23706 |
在此基础上结合线性电压控制浮地阻抗(VCFI)电路与电流积分器,构建一种通用的记忆器件模拟器。 |
Then a universal emulator of mem-elements is implemented with linear Voltage Control Floating Impedance (VCFI) circuit and a current integrator. |
23707 |
该电路在拓扑结构保持不变的情况下,通过接入不同性质的元件能分别模拟忆阻器、忆容器和忆感器的电学行为。 |
By the choice (resistor/capacitor/inductor) of different type components, the emulator can simulate the electrical behavior of memristor, memcapacitor, and meminductor, respectively. |
23708 |
最后将提出的忆阻器、忆容器和忆感器分别替换 RLC 串联谐振电路中的电阻、电容和电感元件,并从时域和频域两方面研究了记忆器件对电路的影响。 |
Finally, the proposed emulator is applied to RLC series resonant circuit, and the circuit influences of mem-elements from both the time domain and frequency domain are studied. |
23709 |
PSPICE 仿真结果验证了该模拟器的可行性和有效性。 |
PSPICE simulations verify that the correctness and effectiveness of the universal emulator. |
23710 |
为保证异构密集网中多个窃听者联合窃听时宏基站用户的下行通信安全,该文提出一种抗多窃听者的协作安全波束成形方案。 |
To guarantee the secrecy of downlink confidential information sent to marcocell user when there were multiple colluding eavesdroppers in dense heterogenous networks, a cooperative secrecy beamforming scheme re-sistant to multi-eavesdroppers is proposed in the paper. |
23711 |
该方案通过联合设计宏基站和微基站的最优协作波束成形矢量,使保密信息传输速率提升的同时,其他用户的下行信号进一步干扰窃听者,从而最大化系统安全速率。 |
The transmission rate of confidential information is improved and eavesdroppers are jammed by jointly optimizing the beamforming vectors at macrocell base station and femtocell base stations. |
23712 |
为获得最优的协作波束成形矢量,在考虑其他合法用户的服务质量及基站功率限制时,对该安全速率最大化问题进行建模。 |
To obtain the optimal beamforming vectors, the problem of maximizing the secrecy rate is modeled under the limitations of quality of service and base station power. The secrecy rate maximization problem is non-convex. |
23713 |
采用半定松弛技术及 Lagrange 对偶理论将原始的非凸优化问题转化为一系列的半定规划问题进行求解。 |
Due to the intractability, this problem is recast into a series of SemiDefinite Programs (SDP) using the SemiDefinite Relaxation (SDR) technique and the Lagrange duality. |
23714 |
仿真结果验证了所提方案的有效性和安全性。 |
Simulation results validate the efficacy and the secrecy of the proposed scheme. |