变互导
Principal component analysis of nine indexes influencing photosynthetic rate showed that solar radiation and air temperature can represent for the prime variable of primacy principal component approximately, and stomatal conductance can represent fr the secondary principal component.
对影响光合速率的9个指标的主成分分析表明,第一主因子的决定变量可以光照、气温为代表,第二主因子以气孔导度为代表。
System detects output voltage and output current of the PV array, compares conductance increment of photovoltaic array and instantaneous conductance, then changes the duty cycle with variable step length, achieves maximum power point tracking fast.
系统检测光伏阵列的输出电压和输出电流,并通过比较光伏阵列的电导增量和瞬间电导变步长改变占空比,实现对最大功率点的快速跟踪。
英语网 · 双语娱乐资讯
英语网 · 双语新闻
英语网 · 英语词汇