Then the principle and structure of Active Power Filter is introduced.
2
简单向量滤波器原理简单,利用单色提取因子,提取标志颜色。
The simple vector filter has simple principle that is use achromatic factor to extract traffic sign colors.
3
对现有的适合于大容量滤波场合的并联混合有源滤波器原理进行了分析。
Through analyzing the principle of a parallel hybrid active power filter (HAPF) which is currently suitable for filtering high power harmonic source, a new control approach is proposed.