In the internationally renowned journal—Science China Technological Sciences—a good selection of articles dedicated to the field of micro-/nanotechnologies have reported several advanced technologies in nanoenergy a...In the internationally renowned journal—Science China Technological Sciences—a good selection of articles dedicated to the field of micro-/nanotechnologies have reported several advanced technologies in nanoenergy and nanosystems.Five papers written with great care by international experts are targeting to address technical challenges in self-powered chaotic signal generators展开更多
针对RM-DCSK(Reference-Modulated Differential Chaos Shift Keying)算法判决变量中存在信号内干扰和平均比特能量较大的问题,提出ORM-DCSK(RM-DCSK based on the orthogonal chaotic signals)改进型算法。新算法设计了正交混沌信号发...针对RM-DCSK(Reference-Modulated Differential Chaos Shift Keying)算法判决变量中存在信号内干扰和平均比特能量较大的问题,提出ORM-DCSK(RM-DCSK based on the orthogonal chaotic signals)改进型算法。新算法设计了正交混沌信号发生器,产生严格正交的混沌信号,彻底消除信号内干扰;并且拓展了RM-DCSK算法的帧结构,有效降低信号平均比特能量。推导出ORM-DCSK在AWGN信道的误码率公式并进行蒙特卡罗仿真。实验结果表明,相比RM-DCSK算法,ORM-DCSK在不牺牲传输速率的情况下大幅改善了误码性能。展开更多
文摘In the internationally renowned journal—Science China Technological Sciences—a good selection of articles dedicated to the field of micro-/nanotechnologies have reported several advanced technologies in nanoenergy and nanosystems.Five papers written with great care by international experts are targeting to address technical challenges in self-powered chaotic signal generators
文摘针对RM-DCSK(Reference-Modulated Differential Chaos Shift Keying)算法判决变量中存在信号内干扰和平均比特能量较大的问题,提出ORM-DCSK(RM-DCSK based on the orthogonal chaotic signals)改进型算法。新算法设计了正交混沌信号发生器,产生严格正交的混沌信号,彻底消除信号内干扰;并且拓展了RM-DCSK算法的帧结构,有效降低信号平均比特能量。推导出ORM-DCSK在AWGN信道的误码率公式并进行蒙特卡罗仿真。实验结果表明,相比RM-DCSK算法,ORM-DCSK在不牺牲传输速率的情况下大幅改善了误码性能。
