1) active detection sonar
主动探测声纳
2) active acoustic detection
主动声探测
3) sonar survey
声纳探测
1.
A Holocene buried valley discovered by sonar surveys in the western Bohai Bay, China;
渤海湾西部声纳探测发现全新世埋藏槽谷
4) Detecting sonar
探测声纳
5) depth sounding sonar
测探声纳
6) active acoustic detecting device
主动声探测仪
1.
In order to improve the demodulator s working performance of the underwater active acoustic detecting device,a count demodulator was put forward which could overcome the disadvantages of traditional diode envelope demodulator and differentiate between the disturbing signal and the echo signal by counting the pulse numbers of input signal in 1ms.
从提高水中主动声探测仪检波器的工作性能角度出发,提出了一种能够克服传统二极管包络检波器缺点的计数检波器,通过在1 m s时间内统计输入信号的脉冲个数,来区分干扰脉冲和回波信号。
2.
In order to improve the working performance and anti-interference ability of the underwater active acoustic detecting device, CPLD (complex programmable logic device) was used to design the integrated control circuit instead of discrete components.
从提高水中主动声探测仪的工作性能和抗干扰能力的角度出发,采用CPLD(复杂可编程逻辑器件)代替分立元件进行控制电路的集成化设计,在Xilinxfoundationseries3。
补充资料：核爆炸地震波探测(见核爆炸探测)
核爆炸地震波探测(见核爆炸探测)
nuclear explosion seismic detection
hebaozho dizhenbo tanee核爆炸地震波探测(nuclear explos，onseismie detecuon)见核爆炸探汉，l。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条