【摘要】 本文系统地简述了多功能智能仪表的硬,软件系统结构,较详细地论述了其测量原理和测量方法(相位差、功率因数、频率等)并简述了cosφ子程序的基本原理和“计数页”原理。更多还原

【Abstract】 This paper briefly describes the structure of the hardrdware and software system of the multifunctional intelligent instrument, and detailedly discusses the measureing theory and measureing methods, such as, phase difference, power factor, frequency etc. At last, it also describes the basic theory of the subprograms of cosφ and the theory of "counting pages".更多还原