Since the CPU of embed system has some limitation in operating speed, a new filter was put forward which implemented mountain template convolution by performing rectangle template convolution two times. It can obtain ...Since the CPU of embed system has some limitation in operating speed, a new filter was put forward which implemented mountain template convolution by performing rectangle template convolution two times. It can obtain time and frequency localization with computational complexity greatly reduced. This algorithm was applied to lightning waveforms (include chopped waveforms) parameter calculation. It simplifies the computation and the results pretreated by this algorithm are in accord with IEC1083-2 completely. It was applied in embed system successfully. Its capability in frequency restraining was researched. The validity of the algorithm was proved in theory when processing lightning waves. The standard sources and the processing results are consistent completely.展开更多
In this paper, different electrical measurement and operation methods of resistive random access memory (RRAM) have been summarized, including voltage sweeping mode (VSM), current sweeping mode (CSM), co lstant ...In this paper, different electrical measurement and operation methods of resistive random access memory (RRAM) have been summarized, including voltage sweeping mode (VSM), current sweeping mode (CSM), co lstant current stress (CCS), constant voltage stress (CVS), rectangular pulse mode (RPM), and triangle pulse mode (TPM). Meanwhile, the effects of these meas- urement methods on the forming, set, reset and read operation as well as endurance performance have been compared. Finally, their respective controllability of various resistive switching parameters have been summar zeal and analyzed.展开更多
文摘Since the CPU of embed system has some limitation in operating speed, a new filter was put forward which implemented mountain template convolution by performing rectangle template convolution two times. It can obtain time and frequency localization with computational complexity greatly reduced. This algorithm was applied to lightning waveforms (include chopped waveforms) parameter calculation. It simplifies the computation and the results pretreated by this algorithm are in accord with IEC1083-2 completely. It was applied in embed system successfully. Its capability in frequency restraining was researched. The validity of the algorithm was proved in theory when processing lightning waves. The standard sources and the processing results are consistent completely.
基金supported by the National Natural Science Foundation of China(Grant Nos.61322408,61221004,61422407,61334007,61474136,61274091,61376112,61306117,61106119,and 61106082)National Basic Research Program of China(Grant No.2011CBA00602)National High Technology Research and Development Program of China(Grant Nos.2014AA032900,2013AA030801,2011AA010401 and 2011AA-010402)
文摘In this paper, different electrical measurement and operation methods of resistive random access memory (RRAM) have been summarized, including voltage sweeping mode (VSM), current sweeping mode (CSM), co lstant current stress (CCS), constant voltage stress (CVS), rectangular pulse mode (RPM), and triangle pulse mode (TPM). Meanwhile, the effects of these meas- urement methods on the forming, set, reset and read operation as well as endurance performance have been compared. Finally, their respective controllability of various resistive switching parameters have been summar zeal and analyzed.