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在“倾倒动态仪”的研制及“人体晃动状态的测量与分析”中,遇到了求θ=arctan(y/x)的实时计算问题。这类求两个参量之间的夹角或相移的问题,在智能仪表的设计及应用中,一直没有得到满意的解决。通常采用的计算机查表方法,对于采用微处理器(单板机或单片机及其小系统)研制的智
In the development of “Dumping Dynamic Instrument” and “Measurement and Analysis of Human Swaying State”, we encountered a real-time calculation problem of θ = arctan (y / x). The problem of finding the angle or phase shift between two parameters has not been satisfactorily solved in the design and application of smart meters. Commonly used computer look-up table method, for the use of microprocessors (single-board or microcontroller and its small system) developed by the wisdom