非大气窗口毫米波波段是指大气衰减严重的毫米波波段。
The non - atmospheric window millimeter wave refers to the atmosphere which weakens the serious millimeter wave's band.
在红外制导系统中，大气衰减作用对红外探测有重要影响。
In an infrared guidance system, the atmosphere attenuation has an significant influence on infrared detection.
大气衰减和大气湍流严重影响着大气激光通信的链路质量。
The rain, snow, and fog in the atmosphere significantly affect the quality and reliability of atmospheric laser communication.
在测量目标的红外辐射特性时，测量路径上的大气衰减是影响测量精度的一个重要因素。
In the measurement of infrared radiation characteristics of an object, the atmospheric attenuation in the measuring path is an important factor which has influence on measurement precision.
由于热像仪响应、大气衰减以及有些目标辐射明显的光谱选择性，基于波段处理会带来测量误差。
Because of the obvious spectral choice of IR thermal camera response and atmospheric attenuation and some objection's radiance, it can cause error when data processing based on waveband.
通过建立杂波模型、电子干扰模型以及大气衰减模型，分析了巡航弹飞行环境对雷达探测性能的影响。
By sea clutter and ground clutter modeling, electron jammer modeling atmosphere attenuation modeling, the cruise missile flight con.
基于对红光激光束大气传输特性的分析，讨论了激光束传输过程中背景光干扰、大气衰减和湍流效应的影响。
Based on analysis on transmission property of red laser beam, impact from background light, attenuation and scintillation are discussed.
由于大气衰减的影响，非视线散射大气光通信需要使用光学天线以提高对光信号的采集能力，进而增加通信距离。
The primary function of the optical transmit antenna is to collimate far-field divergence of the laser beam and reduce the size of the laser beam in .
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
本论文还深入分析了大气衰减效应和大气湍流效应对激光传输的影响，然后给出了一种基于大气信道效应的大气信道模型。
The influence of atmospheric attenuation and turbulence to laser transmission is profoundly analyzed in the paper. Then , A model, based the atmospheric attenuation and turbulence effects, is present.
通过对大气衰减系数、放大器放大能力、光电二极管接收灵敏度等一些主要参数进行分析，建立了激光模拟系统的数学模型。
Secondly, the mathematical model of the laser simulation system is built upon the atmosphere attenuation, the amplifier extent, receiving-sensibility of photoelectric diode and other preferences.
针对雾化条件下拍摄到的退化图像，基于大气衰减机制和信息论中的最小失真理论，提出了一种新的图像复原最优化的高效算法。
A new efficient optimal restoration algorithm for foggy images was proposed based on both degrade mechanisms and the minimum distortion rule in information theory.
水平方向上大气紫外透射比的指数衰减规律决定了系统工作的局域性和保密性。
Exponential attenuation of UV atmospheric transmittance for the horizontal paths decides that the UV communication system works locally and safely.
本文对激光在大气中传输的各种能量衰减机制进行分析和讨论，为激光雷达系统的设计提供理论依据。
In this paper, the attenuation mechanisms of ladar signals propagating in the atmosphere are discussed and analyzed, and these give a theoretical basis of design of ladar system.
对大气强抖动和弱抖动模式下空间光信道衰减模型做了深入分析，并用似然检测分析了系统性能。
The model of the optical channel in strong and weak turbulences is analyzed, the system performance is studied by maximum probability detection.
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。
TRNGs are usually based on physical phenomena such as thermal noise, atmospheric noise, radioactive decay and even coin-tossing.
推导了雾、霾、云、大气的衰减随高度变化的规律，给出了云层激光回波特性的计算公式。
We get rules of the attenuation of fog, cloud, haze and atmosphere as the height changes, and give the calculation formula of the laser scattering character of cloud layer.
以蒸发波导为代表的对流层大气波导传播，可使电波在较小的衰减下沿波导传播得很远，从而严重影响合适的无线电系统。
Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system.
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。
Like NDVI, This dual-channel ratio index has the advantages that could attenuate conventional equipment noise and atmospheric effects.
由于户外图像的退化与大气状况密不可分，分析了光在传输的过程中发生散射和衰减的物理过程。
As the outdoor atmospheric conditions and the degradation of the image are inseparable, analysis of light transmission occurs during the physical process of scattering and attenuation.
根据实测的气溶胶粒子谱对大气气溶胶在8—13微米窗区的衰减效应进行了计算，并和利用太阳光谱得到的某些实测结果进行了比较。
Attenuation by different kinds of aerosols has been calculated on the basis of size distribution measured in the real atmosphere and compared with the results measured by solar spectrum.
激光雷达信号在大气中传输时，大气中的气体分子和大气气溶胶粒子、尘埃、雾、雨等对激光信号的吸收和散射导致光信号能量的衰减是影响激光雷达信号传输的重要因素。
When radar signals propagate in the atmosphere, the absorption and scattering of air molecule, aerosol particles, dust and cloud, fog and rain result in energy attenuation of ladar signals.
大气对微波的衰减可以用微波辐射计来测定。
The attenuation can be determined by using microwave radiometer.
大气环境对电磁波的吸收衰减作用使雷达的作用距离减小，大气异常折射现象使雷达的作用距离增大或减小。
Atmosphere absorbs the electromagnetic wave so that the radar detection distance be reduced, and the atmospheric unusual refraction changes the radar detection distance too.
大气粒子对激光束的散射是造成光束衰减的原因之一。
One of the reasons of attenuation is absorbing of particles.
对不同大气条件下的气溶胶物理特征及其衰减特性也进行了分析。
The physical characters of the aerosols and radiation attenuation under different atmospheric conditions have also been analysed.
对不同大气条件下的气溶胶物理特征及其衰减特性也进行了分析。
The physical characters of the aerosols and radiation attenuation under different atmospheric conditions have also been analysed.
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