| 1. | A novel agc circuit applied in the hydrophone to stabilize amplitude
电路在光纤水听器中的稳幅作用 |
| 2. | Optical amplification is one of the key technologies in large scale fiber - optic hydrophone array
光放大技术是发展大规模光纤水听器阵列的关键之一。 |
| 3. | The directivity , sensitivity and gain of the extended hydrophone are researched based on the model
以此模型为基础,计算分析了成组光纤水听器的指向性和灵敏度。 |
| 4. | Flow noise elimination for all optic towed arrays is one of the key technologies for fiber optic hydrophone
光纤水听器拖曳阵流噪声抑制是光纤水听器实用化的关键技术之一。 |
| 5. | The hydrophone is the bigger enough compared to the wavelength of the sound , the directivity is the more distinctness
成组光纤水听器尺寸越大,接收信号波长越短,其指向性越明显。 |
| 6. | Every unit of the hydrophone is designed to has the same sensitivity - 163db ( 0db = 1rad / upa ) with an ordinary hydrophone
采用相位产生载波( pgc )调制解调方法,实现了光纤水听器信号的稳定输出。 |
| 7. | Interferometric optic fiber hydrophone has the highest sensitivity among current underwater acoustic sensors , so it has a high potential of being applied in military uses
干涉型光纤水听器作为水下声场探测灵敏度极高的元件,在军事上具有巨大的潜在应用价值。 |
| 8. | As the fiber hydrophone system is developing to large scale array , it is important to obtain enough incident light power of the fiber hydrophone system
随着光纤水听器技术的不断成熟,目前正往大规模阵列方向发展。保证足够强的入射光功率对光纤水听器系统的有效工作至关重要。 |
| 9. | Flow noise elimination of this hydrophone is not revolved . the sensing sound model of the extended hydrophone is developed based on the principle of the ordinary fiber optic hydrophone
本文对这种成组光纤水听器的特性展开深入的理论和实验研究,不涉及流噪声抑制方面的讨论。 |
| 10. | This dissertation is part of the basic studies on large scale fiber - optic hydrophone array . the researches in this dissertation provide a foundation for edfa development in our institute
本文的研究是发展大规模光纤水听器阵列的一个基础部分,为研制适合光纤水听器阵列用的edfa打下了良好的基础。 |
