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- The U.S.Navy plans to deploy a new submarine detection system, known as Low Frequency Active Sonar (LFA), throughout 80% of the world's oceans. 在世界的 80%25 的大海各处, 美国海军计划部署一个新的海中发现系统, 即是低的频率活跃的声纳 (LFA) 。
- Low Frequency Active Sonar System 低频主动声呐系统
- Sub-Seafloor Buried Reflectors Imaged by Low Frequency Active Sonar 通过低频有源声纳进行海底潜伏反射物成像
- Low Frequency Active Sonar 低频主动声呐
- Thus research has been going on for some time in the area of low frequency active (LFA) towed array sonar. 如此研究一直在低频率活跃的 (LFA) 被拖的排列声纳的区域中继续有一些时间之久。
- Long Endurance Low Frequency Active Surveillance 持久低频积极监视
- Low Frequency Active 低频活跃
- Low Frequency Active Sensor 低频活跃感应器
- Low Frequency Active System 低频有源系统
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域,一种不希望发生的低频电流,它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- Navy research shows active sonar can have a behavioral impact on marine mammals. 海军的研究显示,主动声纳可对海洋哺乳动物产生行为上的影响。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- A new adaptive data reduction algorithm is presented to display large amounts of data on the computer screen of active sonar system. 摘要本文讨论了主动声纳系统中主动检测结果的数据显示问题。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文 魏国军;周小红;周雷;陈林森.
- With the appearance of the quiet submarine, active sonar is attached much more importance and play a more and more important role. 随着“安静型”潜艇的出现,主动声纳日益受到重视并发挥着越来越重要的作用。
- To enhance the gain of LNA, a high frequency active inductor load was analyzed. 为了增强此一低杂讯放大器之增益,分析并改进一个主动电感负载,可以在高频时应用。
- Based on uniform line array,the sonar equation of active sonar beam main lobe and side lobe interfered by noise-jammer are presented. 研究了噪声干扰器对鱼雷主动声呐的对抗原理,以等间隔直线阵为例,分别给出了干扰器对鱼雷主动声呐主瓣和旁瓣的干扰方程。
- BBN has developed the ARTS array vehicle concept specifically to address the formidable problems of low-frequency active sonar sources. BBN 已经明确地发展 ARTS 排列车辆观念提出低周波活跃的声纳来源的强大问题。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- This thesis studies the target identified by analyzed scattering signal which is from active sonar impinged under water. 中文摘要本论文之目的,在于研究主动式声纳对水下目标物之瑞利表面回波信号特性分析。