To get true random numbers, computers have to rely on external sources, such as devices to measure atmospheric noise.
要得到真正的随机数，计算机不得不依赖外部资源，比如测量大气噪声的设备。
It also generated an atmospheric shock wave that travelled around the Earth seven times, and noise from the blast was heard up to 5, 000 km away.
喷发还产生了环绕地球7次的大气冲击波，冲击波产生的噪音5000千米外都能听到。
Like NDVI, This dual-channel ratio index has the advantages that could attenuate conventional equipment noise and atmospheric effects.
这种双通道比值指数和NDVI一样具有衰减仪器噪声和抵消常规大气影响的优点。
Noise pollution similar to the atmospheric contamination and water pollution may do harm, which is not to be ignored, to the health of mankind and the social environment.
噪音污染同大气、水污染一样，对人类健康和社会环境产生不可忽视的危害。
Random noise, such as crackling in a receiver or specks on a television screen, produced by atmospheric disturbance of the signal.
随机噪声，如接收器中的碎啪声或电视屏幕上的光斑，是由信号的大气干扰造成的。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
实际星地光通信系统的发射光束为高斯型的情况下，跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
The measured results of the atmospheric radio noise in Fujian regions is also described.
介绍了福建地区大气无线电噪声测量结果。
TRNGs are usually based on physical phenomena such as thermal noise, atmospheric noise, radioactive decay and even coin-tossing.
真随机数发生器的熵源通常来自于真实的物理世界，如热噪声，大气噪声，放射性衰减甚至掷硬币。
Radiant power of atmospheric radio noise and electric field intensity is computed precisely for given maritime space, and then the computational way of radiant power is given.
就特定海域分析和计算了大气噪声的功率谱密度，同时计算了在保证较高测量精度条件下所需要的最低场强，继而给出了无线电导航系统所需辐射功率的计算方法。
In this paper, the soundex using laser bean modulated in intensity is advanced to suppress the atmospheric noise.
本文提出了抑制大气噪声的强度调制激光束探测法。
Now, in J, the excellent and good rate of atmospheric environment quality is 94% and environmental noise reaches the standard of function areas and the water quality of drinking water source is 100%.
目前全市空气环境质量优良率达到94%，环境噪声达到功能区标准，饮用水源水质达标率100%。
High frequency band is a hostile electromagnetic environment. In this band atmospheric noise emitted by lightning in a short distance may badly affect HF GW radar's normal function.
高频段电磁环境恶劣，近区雷电在这一频段激发的天电噪声对HF -GW雷达的正常工作构成了严重干扰。
In addition to weightlessness, the atmospheric composition (CO2 levels), ambient noise levels, stress levels, etc.
除了失重之外，大气成分(二氧化碳浓度)、环境噪声等级、压力水平等都不一样。
In addition to weightlessness, the atmospheric composition (CO2 levels), ambient noise levels, stress levels, etc.
除了失重之外，大气成分(二氧化碳浓度)、环境噪声等级、压力水平等都不一样。
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