青云翻译

In order to improve the performance of the filter is required to meet the window function spectrum: the main lobe as narrow as possible; First Deputy valve area relative to the main valve area as small as possible.

In order to improve filter performance, spectrum meets required window function: the main flap as narrow as possible; the first sidelobe area relative mainlobe area as small as possible.

In order to improve the filter the performance, must cause the window box number spectrum to satisfy: The main lobe is as far as possible narrow; The first secondary lobe area relative main lobe area is as far as possible small.

In order to improve filter performance, you need window function spectrum meet: the flap as far as possible; the first deputy flap area narrowed the flap area relatively small as possible.

In order to improve filter performance, spectrum meets required window function: the main flap as narrow as possible; the first sidelobe area relative mainlobe area as small as possible.