Electromagnetic simulation and electronic design automation(EDA)play an important role in the design of 5G antennas and radio chips.The simulation challenges include electromagnetic effects and long simulation time an...Electromagnetic simulation and electronic design automation(EDA)play an important role in the design of 5G antennas and radio chips.The simulation challenges include electromagnetic effects and long simulation time and this paper focuses on simulation software based on finite-element method(FEM).The state-of-the-art EDA software using novel computational techniques based on FEM can not only accelerate numerical analysis,but also enable optimization,sensitivity analysis and interactive design tuning based on rigorous electromagnetic model of a device.Several new techniques that help to mitigate the most challenging issues related to FEM based simulation are highlighted.In particular,methods for fast frequency sweep,mesh morphing and surrogate models for efficient optimization and manual design tuning are briefly described,and their efficiency is illustrated on examples involving a 5G multiple-input multiple-output(MIMO)antenna and filter.It is demonstrated that these new computational techniques enable significant reduction of time needed for design closure with the acceleration rates as large as tens or even over one hundred.展开更多
通过对双时间选择控制器的功能分析、模块分解设计、波形仿真、逻辑综合、器件烧写的完整设计过程的描述,介绍了使用美国Altera公司的EDA设计软件Max+ Plus 设计数字系统的方法和过程,并给出了双时间选择控制器的设计程序、部分仿真波...通过对双时间选择控制器的功能分析、模块分解设计、波形仿真、逻辑综合、器件烧写的完整设计过程的描述,介绍了使用美国Altera公司的EDA设计软件Max+ Plus 设计数字系统的方法和过程,并给出了双时间选择控制器的设计程序、部分仿真波形和器件图,说明了利用V HDL 语言进行电子设计的过程和优点,并且说明了用硬件描述语言V HDL设计数字系统、逻辑综合和仿真的电子设计自动化技术是现代电子设计的重要手段和发展方向。展开更多
在鱼雷通信及各控制系统中,均需利用滤波器对模拟信号进行处理。滤波器的传统设计一般通过理论计算和试验验证来实现,存在工作量大、开发周期长、前期验证困难等缺点。针对此,文中以设计通带截止频率为10 k Hz的4阶高通滤波电路为例,详...在鱼雷通信及各控制系统中,均需利用滤波器对模拟信号进行处理。滤波器的传统设计一般通过理论计算和试验验证来实现,存在工作量大、开发周期长、前期验证困难等缺点。针对此,文中以设计通带截止频率为10 k Hz的4阶高通滤波电路为例,详细介绍了一种基于电子设计自动化(EDA)技术,通过滤波器专用设计软件Filterlab2.0来选择电路参数和结构,利用Multisim13.0软件对滤波器工作参数进行仿真的设计方法。样机搭载试验结果与仿真结果相符,验证了该方法可快速、准确、直观地完成所需滤波器的设计。展开更多
基金the Electromagnetic Design of Flexible Sensors Project under Grant No.POIR.04.04.00-00-1DC3/16-00,which is carried out within the Team-Tech Program of the Foundation for Polish Science co-financed by the European Union under the European Regional Development Fund,Smart Growth Operational Program 2014-2020.
文摘Electromagnetic simulation and electronic design automation(EDA)play an important role in the design of 5G antennas and radio chips.The simulation challenges include electromagnetic effects and long simulation time and this paper focuses on simulation software based on finite-element method(FEM).The state-of-the-art EDA software using novel computational techniques based on FEM can not only accelerate numerical analysis,but also enable optimization,sensitivity analysis and interactive design tuning based on rigorous electromagnetic model of a device.Several new techniques that help to mitigate the most challenging issues related to FEM based simulation are highlighted.In particular,methods for fast frequency sweep,mesh morphing and surrogate models for efficient optimization and manual design tuning are briefly described,and their efficiency is illustrated on examples involving a 5G multiple-input multiple-output(MIMO)antenna and filter.It is demonstrated that these new computational techniques enable significant reduction of time needed for design closure with the acceleration rates as large as tens or even over one hundred.
文摘在鱼雷通信及各控制系统中,均需利用滤波器对模拟信号进行处理。滤波器的传统设计一般通过理论计算和试验验证来实现,存在工作量大、开发周期长、前期验证困难等缺点。针对此,文中以设计通带截止频率为10 k Hz的4阶高通滤波电路为例,详细介绍了一种基于电子设计自动化(EDA)技术,通过滤波器专用设计软件Filterlab2.0来选择电路参数和结构,利用Multisim13.0软件对滤波器工作参数进行仿真的设计方法。样机搭载试验结果与仿真结果相符,验证了该方法可快速、准确、直观地完成所需滤波器的设计。
