Abstract: The target azimuth estimation technology based on linear arrays has been widely applied. Higher array gain and higher azimuth resolution can be achieved by increasing the aperture of the ...

There is one key difference between v1 and v2: v2 does not support the format pinyin-number-r (e.g., hua1r) for erhua pronunciation. Instead, it supports the format pinyin-r-number, such as huar1.