起动频率 meaning in Chinese

frequency of starting

Chirp up the chirp is played from start frequency to the end frequency
短促声波开始短促声波从起动频率对结束频率播放。
Chirp up down the chirp is played from start frequency to the end frequency and again to the start frequency in time defined by play chirp time
短促声波结束短促声波从起动频率对结束频率播放，然后重新回到播放短促声波时定义的频率。
End frequency defines the final frequency of the chirp like for start frequency ( the chirp can start from low frequency and end up on high or opposite way around )
结尾频率定义短促声波的最后的频率相位为起动频率(短促声波可能从低频率开始，在高或相反的区域结束) 。