atmospheric noise
英 [ˌætməsˈferɪk nɔɪz]
美 [ˌætməsˈferɪk nɔɪz]
大气噪声；天电干扰
双语例句
- A Padding System for Very High Energy Atmospheric Cherenkov Telescope and Its Noise
甚高能大气切伦科夫望远镜中的光补偿系统及其产生的噪声 - Two factors, atmospheric waveguide and atmospheric noise, which have influence to the communication performance are pointed out in this paper.
大气波导是海洋大气近地层内普遍存在的现象，对海上舰船的电子信息装备作战性能有着非常重要的影响。 - An Algorithm of Atmospheric Noise Generating Based on Alpha Stable Distribution
一种基于Alpha稳定分布大气噪声生成算法及应用 - Identification Model of Narrowband ELF Atmospheric Noise Amplitude Probability Distribution
窄带超低频噪声幅度概率分布模式辨识 - Beijing can be quite a tiring city to live in with atmospheric and noise pollution but the quality of life is improving.
北京可以说是一个相当累人的居住城市因为大气和噪音污染但这里的生活质量正在提高。 - Using the correlation detection, atmospheric background noise is eliminated and signal-to-noise ratio for scattered light to background is enhanced.
采用相关检测法，排除测量通道视场角内的大气背景干扰，提高洁净大气条件下散射光强度信号测量的信噪比； - To solve the signal fading problem induced by atmospheric turbulence in optical wireless system, a reception signal model involved turbulence noise and other multiplicative noise was proposed.
针对大气湍流效应所引起的光无线通信系统中的衰落问题，建立了与大气湍流噪声及其它加性噪声有关的信号模型。 - We have designed to the atmospheric channel noise Turbo code scheme, after introduced the Turbo code basic theory.
在介绍了Turbo码的基础理论后，设计了对大气信道噪声的Turbo码的编码方案。 - Measurement and analysis of atmospheric radio noise
大气无线电噪声测量与分析 - The measured results of the atmospheric radio noise in Fujian regions is also described.
噪声的危害与控制介绍了福建地区大气无线电噪声测量结果。 - By comparing two traditional measurement systems used to measure VLF transmit antennas impedance in intensive atmospheric noise entironment, a new measurement method based on vector resonance is proposed in this paper.
比较了在强噪声环境下测量甚低频发射天线输入阻抗二种方法，提出一种新的矢量谐振测量方法，这种新方法比传统的阻抗电桥法具有更高的精度。 - The adaptive control algorithm, differs like the traditional control algorithm, it considered the effect of atmospheric turbulence and the measurement noise together.
与经典控制算法相比，自适应控制算法调整方便，综合考虑了大气湍流扰动和探测噪声等对系统控制效果的影响，控制参数能适应工作环境的变化，使系统达到最优控制状态。 - The dependence of ranging performance for an airborne laser range finder on atmospheric transmittance and background noise is theoretically analyzed in accordance with the range equation for the diffuse reflecting target.
根据激光测距机对漫反射大目标的测距方程，从理论上分析了激光测距机的测距性能与大气透过率及背景噪声之间的关系； - In this paper, analyzed the present status of environment pollution in Urumqi, concentrated upon atmospheric pollution, quality of water environment, contamination emission, noise surrounding and other, and came up with defensive countermeasure for pollution.
对乌鲁木齐市环境污染现状作了分析，重点分析大气污染、水环境质量、污染物排放、噪声环境以及其它环境问题，较为综合地反应了乌鲁木齐市环境总体状况，并就污染问题提出防御对策。 - Associating the scale length of irregularity, the center displacement of field of view and the distortion on the image is explained. Based on the atmospheric model, the excessive time delay and atmospheric phase noise are calculated.
根据大气模型计算了SAR的额外时延、相位起伏噪声，结合不规则体的尺度解释了视场中心的位移和图像的畸变。 - The main parameters of the atmospheric noise is given by analyzing the property of noise, and the simulating model of atmospheric noise is established using classical model in this paper.
本文通过对大气噪声特性的分析，指出影响大气噪声的主要参数，并利用噪声特征经典分析模型建立了仿真模型。 - Based on classical model of atmospheric noise characteristic parameter, a simulation model of VLF/ LF FSK receiver is established in an atmospheric noise environment.
基于大气噪声特征参数经典模型，建立了一个大气噪声环境中的VLF/LFFSK接收机性能分析的仿真模型。 - Some useful data for engineering design are listed, such as how to select the optimum working frequencies for solar activity durations of high and of low periods, the range of excessive path under normal atmospheric condition, and the magnitude of phase noise.
总结出与工程设计有关的数据，诸如在太阳活动高、低年周期内，最佳频率的选择，在一般大气情况下，额外光程的范围，以及相位噪声的大小等。 - Based on the analysis of the atmospheric channel and avalanche photodiode noise, the mathematical model of the output of the APD detector in the PPM receiver is discussed and the bit error rate of the APD detector is calculated and analyzed.
分析了大气信道、雪崩光电二极管（APD）的噪声对光脉冲产生的影响，在此基础上，给出了PPM调制接收机APD探测器的输出数学模型，得到了APD探测器的输出误码特性。 - Measurement of VLF transmitting antenna impedance in intensive atmospheric noise
强噪声环境下测量甚低频天线阻抗方法的研究 - Atmospheric radio noise characteristics at Fujian regions
福建地区大气无线电噪声的某些特征 - 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。 - The demand of image restoration is rapidly increased since the obtained images in many conditions are often degraded due to relative motion, atmospheric turbulence, lack of focus, noise existing and other factors.
由于相对运动、大气干扰、散焦和噪声等诸多因素的存在，导致了许多条件下获取的图像质量下降，降质图像复原的需求日益增多。 - By the developed model, the effects of atmospheric absorption as well as the ground reflection and absorption on rotor aerodynamic noise are calculated and analyzed, and some new conclusions are obtained.
应用所建立的模型，对旋翼气动噪声在大气中传播及地面的反射、吸声影响进行了计算与分析，获得了一些新的结论。 - First of all, we are analyze the formation of lightning atmospheric noise, and then use a large amount of observational datas and mathematical formula for the number of atmospheric noise.
首先分析了雷电大气噪声的形成，然后利用大量的观测数据和数学公式对大气噪声进行数学建模和仿真分析。 - In the primary results, We identify Orbital errors, residual topographic errors, atmospheric delay. We then analyse the spatial distribution and frequency characteristics of noise, which provide a basis analysis of assessment methods for the error components.
在初级结果中识别轨道误差、残余地形误差、大气延迟，分析各误差组分信号空间分布的特性，掌握时间上噪声的频率特性，为各误差组分评估方法提供基础分析。 - Cangzhou city surface deformation was extracted by the algorithm, which include of the effective separation of linear and nonlinear deformation. Atmospheric delay and noise are obtained by spatio-temporal filtering method.
在此基础上，利用ASAR数据对沧州市的地表形变进行了提取实验，同时对大气相位和噪声也采取了时空滤波方法，并且有效地分离了线性与非线性形变，得到了相应的监测结果。 - Urban land use have an impact on the atmospheric environment, water environment, noise environment, and thus cause some damage to the ecological environment of the city.
城市土地利用能够对大气环境、水环境、噪声环境等产生影响，进而对城市的生态环境造成一定的破坏。