... systems4:14 basic types of test patterns include: round, 8-level grayscale, 16-level grayscale, color stripes, multiple ... 14 kinds of combinations of the basic test pattern can be combined portfolio of more than 100 ... graphics.6, gray scale, 8-order linear grayscale and 16-order linear gray scale7 ... eight vertical frequencies were 0,8-1,8-2,8-3,0-3,4-3,8-4,8 MHz8, dynamic small box ...