背景辐射特性研究是目标辐射特性研究的基础。
The study on the target radiation characteristic is base on the study on background radiation characteristic.
这是由于水下目标辐射信号和海洋环境的复杂性、多变性造成的。
This is caused by the complexity of underwater target radiated noise and the variety condition of the sea.
提出在非扫描工作方式下获得二维分布的多个点目标辐射谱的方法。
A method that acquires 2-d distribution of radiation spectra for multi-point objects with non-scanning mode is investigated.
通过声压与振速的联合信号处理，充分利用水下目标辐射噪声场的信息。
Through processing sound pressure combine with particle velocity, the information of underwater target radiation noise field is entirely used.
对实测的直升机辐射噪声数据进行了分析，获得了目标辐射噪声谱特性。
By the analysis of the noise data radiated by a helicopter, the noise characteristics of low altitude targets are presented.
给出了带有变动趋势的无噪声配置情形的装甲目标辐射温度反演迭代公式。
The iterative formula for the case of variable tendency and noiseless are also extended.
被动测距声纳系统是利用换能器基阵接收的目标辐射（噪声）信号来估计目标距离。
The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.
同时，根据测试距离和大气环境参数，对测量表观值进行了修正得到目标辐射的真实值。
Furthermore, corrections are made for apparent values and true target observation values are achieved based on test distance and ambient atmosphere parameters.
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.
以大量的水下目标辐射噪声资料为依托，借助高阶累积量分析法，研究了目标信号的非高斯特性。
For the radiation noises from underwater targets apparently contain non-Gaussian ingredients, their non-Gaussion features were studied through high-order cumulants.
分析了低空目标声源的产生机理、目标辐射噪声在大气中的传播特性以及影响其传播的几个主要因素。
The mechanism of the produce of target noise, its transmission characteristics in air and several main factors that influence the sound transmission are analyzed.
围绕被动导引头跟踪过程中目标辐射源信号丢失的问题，提出一种基于目标状态估计的抗目标信号丢失方法。
For the problem of loss of target signal during target tracking in passive seeker, a new method is presented for anti-loss of target signal based on target state estimation.
并用提取的特征对三类舰船目标辐射噪声进行了分类识别实验，结果表明所提特征具有很好的分类识别效果。
The classification recognition for three different classes of ship-targets is measured, and the results show that the extracted features have better classification-ef…
提出了利用目标的方位、俯仰角信息以及红外探测器对目标辐射的响应信息，解算目标位置参数的单站定位方法。
With the information of the angles and radiations of the target measured by IRST systems, a single observer passive location method is put forward.
提出的算法是利用两个观测站测得的信息，应用三角交叉定位法，对运动目标辐射源位置的估计算法进行了研究。
The estimate algorithm of the location of the target solved passive location and tracking to a moving target with triangle bearing location algorithm by using the information from two stations.
在保证必要的红外目标辐射特性和运动特性建模精度基础上，采用这种方法可以满足导弹制导算法的研制和调试需要。
Based on the necessary modeling accuracy for radiating characteristics and movement characteristics of infrared targets, it can meet the design and debug demand for the guidance algorithm of missile.
通过融合红外探测器对目标辐射的响应信息，利用所测得的角度参数，建立了获取目标距离的估算模型，为系统的研制提供了重要的理论依据。
In this paper, the outputs of infrared sensors and the Angle parameters are used to set up a range estimation model, which provides an important theoretical reference for the research of systems.
利用被动声纳目标辐射噪声特征主要集中在低频部分的特点，结合听觉系统识别声音信号的原理，提出了一种被动声纳目标临界频带频谱能量的特征提取方法。
By studying the principle of hearing system in identification of sound signal, a method of feature extraction for passive sonar target based on critical band spectrum energy is proposed.
然后，他们还有，这是什么，数值设计目标，这是，这个和可合理达到的辐射曝光一样低，这些反应堆的容器泄露实验。
And then they have, what is this, numerical design ALARA objectives, this is ALARA, this is the as low as reasonably achievable radiation exposure. Containment leakage testing for these reactors.
工作原理：一个两米长的天线和移动发电器制造95束千兆赫(3毫米)的辐射对准目标。
How it works: a 2-metre antenna and mobile generator produce and aim a beam of 95-gigahertz (3-millimetre) radiation.
官员说，帕迪拉正打算造一枚脏弹，可将辐射性物质遍布全城，目标也许是华盛顿特区。
He was, they said, planning to build a dirty bomb that could scatter radioactive material over a city, probably Washington, DC.
因此，如果你认为你是微波辐射卫星平台的目标，一定要在窗口上挂一些金属箔。
So, if you think you are targeted by satellite platform microwave radiation, be sure to hang some foil in the window.
细野豪志先生还表示，我们的目标很明确，那就是阻止辐射进一步扩散到大气层和海洋。
"Our goal is very clear: Preventing further spreading of radiation into the atmosphere and into the ocean," Mr. Hosono said.
本文主要研究目标与环境的光散射辐射问题。
This paper focuses on light scattering and radiation characteristic of target and environment.
利用真实舰船航行辐射噪声作为目标及干扰，正态分布高斯白噪声作为噪声背景，在基元等间隔线阵上实现了最佳空间滤波器。
The realization of OSF in the case of real target radiated noise in the background of Gaussian white noise for equal spaced line array is illustrated.
打听这个电磁辐射秘密的科研人员也成了攻击目标。
Researchers who find out about this secret radiation of the population become targets themselves.
根据研判目标的光谱辐射差异特性建立了红外多光谱图像相关识别准则。
An infrared multispectral imagery correlation recognition method is formulated in terms of spectral radiation difference of interesting targets.
根据研判目标的光谱辐射差异特性建立了红外多光谱图像相关识别准则。
An infrared multispectral imagery correlation recognition method is formulated in terms of spectral radiation difference of interesting targets.
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