The V-system is a complete orthogonal system of functions defined on the interval [0, 1], generated by finite Legendre polynomials and the dilation and translation of a function generator, which consists of a finite n...The V-system is a complete orthogonal system of functions defined on the interval [0, 1], generated by finite Legendre polynomials and the dilation and translation of a function generator, which consists of a finite number of continuous and discontinuous functions. The V-system has interesting properties, such as orthogonality, symmetry, completeness and short compact support. It is shown in this paper that the V-system is essentially a special multi-wavelet basis. As a result, some basic properties of the V-system are established through the well-developed theory of multi-wavelets. From this point of view, more other V-systems are constructed.展开更多
在托卡马克等离子体的辅助加热系统中,随着高压电源设备的不断增加,对高压电源控制系统的实时传输和数据可靠性有了更严苛的要求。为保障HL-3装置高压电源控制系统的稳定性及数据准确性,研究选用了Chisel语言,设计并开发了一款高压电源...在托卡马克等离子体的辅助加热系统中,随着高压电源设备的不断增加,对高压电源控制系统的实时传输和数据可靠性有了更严苛的要求。为保障HL-3装置高压电源控制系统的稳定性及数据准确性,研究选用了Chisel语言,设计并开发了一款高压电源控制系统的RISC-V微控制器。设计的实现采用了诸如数据前推和分支预测等流水线相关技术以创建一个单发射五级流水线微控制器。这款微控制器已成功通过预定的测试集,并能在高云Tang Primer 25K开发板上顺利运行RT-Thread嵌入式实时操作系统的运行测试。在功耗受限的条件下,此RISC-V微控制器能够高效地执行数据处理,满足可控核聚变领域对嵌入式微控制器开源可定制化设计及可靠性的需求。展开更多
基金Supported by National Natural Science Foundation of China (Grant Nos.11071261,60873088 and 10911120394)
文摘The V-system is a complete orthogonal system of functions defined on the interval [0, 1], generated by finite Legendre polynomials and the dilation and translation of a function generator, which consists of a finite number of continuous and discontinuous functions. The V-system has interesting properties, such as orthogonality, symmetry, completeness and short compact support. It is shown in this paper that the V-system is essentially a special multi-wavelet basis. As a result, some basic properties of the V-system are established through the well-developed theory of multi-wavelets. From this point of view, more other V-systems are constructed.
文摘在托卡马克等离子体的辅助加热系统中,随着高压电源设备的不断增加,对高压电源控制系统的实时传输和数据可靠性有了更严苛的要求。为保障HL-3装置高压电源控制系统的稳定性及数据准确性,研究选用了Chisel语言,设计并开发了一款高压电源控制系统的RISC-V微控制器。设计的实现采用了诸如数据前推和分支预测等流水线相关技术以创建一个单发射五级流水线微控制器。这款微控制器已成功通过预定的测试集,并能在高云Tang Primer 25K开发板上顺利运行RT-Thread嵌入式实时操作系统的运行测试。在功耗受限的条件下,此RISC-V微控制器能够高效地执行数据处理,满足可控核聚变领域对嵌入式微控制器开源可定制化设计及可靠性的需求。