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Alternative TitleHigh precision high frequency sin wave virtual value real-time detection method
王越超; 王栋; 董再励; 鲁鹏; 周磊; 焦念东
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a high frequency sin wave virtual value digital real-time detection technology, in particular to a high precision high frequency sin wave virtual value real-time detection method based on the field programmable gata array (FPGA) high-speed data processing technology. The method includes the steps of taking any one sampling point as a nth point from sampling points m in a cycle of sine wave, calculating sin wave virtual values from n to n+m-1, wherein the sampling amplitude is xi in a cycle, and calculating Sn+1, Sn+2, ..., Sn+m-1 taking a mean S of m virtual value data Si (i=1, 2... m) as a virtual value of the sine wave. The calculation error is little, the computing speed is fast, the scope of application is wide, and the virtual value detection of the sine wave which ranges from tens of KHz frequency to hundreds of KHz can be achieved by changing parameters.
PCT Attributes
Application Date2011-12-07
Application NumberCN201110401975.1
Open (Notice) NumberCN103149415A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
王越超,王栋,董再励,等. 一种高精度高频正弦波有效值实时检测方法[P]. 2013-06-12.
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