例句與造句

1. The advantages of the Barker codes are their simplicity ( as indicated above, a \ scriptstyle \ pi de-phasing is a simple sign change ), but the pulse compression ratio is lower than in the chirp case and the compression is very sensitive to frequency changes due to the Doppler effect if that change is larger than \ scriptstyle \ frac { 1 } { T }.
2. It's difficult to find pulse compression ratio in a sentence. 用pulse compression ratio造句挺難的