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- photon noise limit 光子噪声限度
- When the signal is very strong, the photon noise predominates, signal to noise ratio is not directly proportional to signal level, and care must be exercised in deriving NEP and D * from signal to noise ratio. 当信号很强时 ,光子噪声占主导地位 ,信噪比 (SNR)与信号水平不成正比 ,此时由信噪比导出噪声等效功率 (NEP)和D 时应格外小心。
- The GB 16169-2000 moped noise limit issued in 2000 equally adopts the limit of ECE, EC. 我国2000年修订并发布的GB 16169-2000 轻便摩托车噪声限值等同采用ECE、EC 的限值规定。
- Considerable vibration and acoustic noise limit the application of Switched Reluctance Motors (SRMs). 大的振动和噪声阻碍了开关磁阻电机的推广应用。
- Go into Noise Limit of Highway Toll Booth 公路收费亭内噪声限值的探讨
- Because read heads based on EMR use nonmagnetic materials, they would not suffer from magnetic noise limitations. 由于EMR读取头用的是非磁性材料，所以不会受到磁杂讯的限制。
- Multipath of the towing ship noise limits the performance of adaptive interference can-celing (AIC) which utilizes the fixed beam as a reference input. 拖曳线列阵声纳中,拖船噪声常常是影响声纳性能的重要因素之一。
- Hospital wards across the NHS are breaking recommended noise limits, disturbing patients' sleep, well-being and recovery, experts say. 专家称，英国国民健康保险制度下的某些医院病房打破了推荐的噪音限制，打扰了病人的睡眠、健康和康复。
- Intracavity and Output Squeezing of Photon Noise in Driven Multi photon Lasers 光抽运多光子激光的腔内和输出光子噪声压缩
- The noise limits for various types of motor vehicles have been reduced considerably, which has promoted application and development of noise abatement technology. 这显著促进了汽车降噪技术和测量分析技术不断的深入研究和应用。
- The upper limit of photon mass is 1.2x10-51 g. 光子的静止质量光子的静止质量上限是1.;2x10-51g。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。
- The proposal set a time limit of one year. 提案规定了一年的限期。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
