The wideband and narrowband correlations for two hydrophones were also calculated.
同时也计算了两个水听器噪声的宽带和窄带空间相关系数。
2
IN the summer of 1997, an array of underwater microphones, or hydrophones 【 1 】, owned by the US government picked up a strange sound.
1997年的夏天，美国拥有的大量的水下麦克风，或水听器，检测到一种奇怪的声音。
3
The hydrophones, a relic of cold-war submarine tracking, picked up this signal again and again during those summer months, then it was never heard again.