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- 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。
- 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) 。
- Long Endurance Low Frequency Active Surveillance 持久低频积极监视
- 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
- 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。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- 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。
- 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.
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- The main features of this tremor are its low frequency, irregular rhythm, presence at rest, and acceleration during posture and active movement. 其特征主要为低频率的颤抖出现在静止状态、肌肉收缩生成动作时以及维持固定姿势时。
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- In order to improve the passive type features of resonance and low frequency vibration, the active control scheme is applied. 为了改善被动式气压隔振支座的共振与低频之振动特性,研究中更加入了主动控制。
- The direction of the low frequency current with maximum frequency was also WSW. 低频流出现频率最多的方向和潮流基本一致。
- Medium SMES (200 MVA) are able to compensate some low frequency disturbance. 中型SMES(200MVA),这类SMES能补偿某些低频度的扰动
- Note: Close woundcoils will resonate at a slightly lower frequency. (注:密绕的线圈将会谐振在稍低的频率。)