该文分析了星载聚束式sar的信号特性。
Signal properties of spaceborne spotlight SAR are discussed.
光的聚束效应的发现是量子光学的重要里程碑。
The discovery of photon bunching effect is an important milestone of quantum optics.
由于被输送的介质中含有易缠绕或聚束的纤维物。
As the transmission medium contains easy winding or bunching of the fiber material.
在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置。
A ns pulse beam device is installed at pulse beam current piping.
通过对单漂移聚束器和切割器的计算,获得了最佳参数。
To get the better bunching voltage and the stability of the phase and the magnitude, the variables for the buncher and chopper were worked out.
提出一种聚束式合成孔径雷达图像特征提取的有效算法。
An effective algorithm of feature extraction for spotlight synthetic aperture radar images is presented.
灯具安装在吊顶上方,通过不透明的丙烯塑胶板聚束照射。
Lights are installed above the suspended ceiling beaming through the opaque acrylic panels.
极坐标格式算法(PFA)是一种典型的聚束sar成像算法。
Polar format algorithm (PFA) is a typical image formation algorithm used in spotlight SAR.
在薄环形束的近似下讨论了等离子体对空心电子束的聚束作用。
Based on thin annular electron beam approximation, the focusing effect of plasma is investigated.
发现由于形变参数的影响,其压缩效应和反聚束效应具有丰富的结构。
It is found that their squeezing and anti bunching effects have plentiful structures due to the influence of the deformation parameters.
这些强负相关性不能用聚束效应解释,而能用喷流中激波的传播来解释。
It is suggested that not beaming effect but shock wave propagation in jet account for these strong flux-polarization anticorrelations.
量子光场主要存在三种非经典效应:光子反聚束、亚泊松分布和压缩效应。
There are three main non-classical features for quantum field, i. e. photon anti-bunching effect, sub-Poissonian statistics distribution, and squeezing effects.
同时发现通过对原子的选择性测量,场的压缩特性和光子的反聚束效应会增强。
Meanwhile it is shown that squeezing of field and photon antibunching can be greatly enhanced via selective atomic measurements.
第三章介绍聚束sar去调频技术的原理及去除剩余视频相位误差的实现步骤。
Chapter 3 explains the theory of dechirp technic used in the Spotlight SAR at length and introduces the practical realization procedure of eliminating the residual video phase.
得到了在不同情况下出现的光子反聚束、光场的亚泊松行为以及光场的挤压性质。
We obtain antibunching of photons. the sub-poissonian behaviour of optical fields and their squeezing properties in different cases.
处理结果表明,聚束滤波方法可以消除相对较强的多次波,并增强较弱的一次波。
The processing results show that beam-forming filtering method can attenuate some relatively very strong multiples generated by coral riff and enhance the relatively weak primaries.
首先建立了聚束式SAR成像的信号模型,阐述了聚束式SAR成像的基本原理。
The theoretical model of spotlight mode SAR is constructed firstly, and the principle of spotlight mode SAR imaging is analyzed.
对含有聚束(脉冲束流)系统的加速器粒子动力学进行模拟是LEADS程序的新特色。
To calculate the accelerator dynamics process to contain the buncher (pulse beam current) system is a new characteristic of LEADS program.
为此针对高分辨率(0.3米)星载聚束式sar,给出一种高精度成像处理实现方法。
This paper offers a kind of high precision imaging method for high-resolution (0.3m) space borne spotlight SAR.
详细描述了用聚束滤波方法消除两套南海深海地区地震资料中多次波的实施步骤与效果。
The procedure and results of using beam-forming filtering method to attenuate multiples in two data sets from deep sea area of South China sea are discussed in details.
研究了叠加压缩相干态的量子统计性质,给出了压缩和反聚束效应与叠加系数之间的关系。
The results showed that the coherent superposition state brings squeezing effect, bunching effect and super-poisson distribution.
探讨采用高功率聚束微波热疗机局部加热联合化疗治疗晚期难治性恶性肿瘤的疗效与不良反应。
To explore the effect of high power focused-beam microwave hyperthermia and chemotherapy on advanced, recurrent or metastatic malignancy.
两个不同的自旋相干态的叠加态具有非经典的特性,反聚束效应是这类叠加态的非经典效应之一。
The superpositions that are built with two different spin coherent states on the basis of superposition principle of states, as the typical schrdinger cat states, exhibit the nonclassical properties.
合成资料和实际资料的处理结果表明,本文提出的三维聚束滤波方法能够有效地消除各种相关噪声。
The processing results of synthetic and practical data showed that the 3d beamforming filtering method presented by the paper can effectively eliminate a variety of coherent noise.
根据HIRFL加速器的束流纵向匹配要求及实际情况,给出了新B1聚束器腔体的具体设计方案。
According to the longitudinal matching requirement of the HIRFL two cyclotrons, a scheme of the new B1 buncher has been introduced.
本文采用数值计算方法研究了强相干初态光场与级联型三能级原子相互作用中的光子聚束与反聚束效应。
The evolution of the field entropy of the interaction between three level cascade atom and field in a Kerr medium has been studied.
从束流参数的要求出发,提出了采用阴极聚束鼻锥结构和提高阳极引出电压,以确保束流发射和改善聚焦;
To have enough emitting current and improve focusing, advance a opinion, which is using focusing node and heightening the extracting voltage of anode.
并讨论了原子与光场的耦合受到高斯型时间脉冲限制时,脉冲宽度和光场强度对光场聚束与反聚束效应的影响。
The effect of different pulse widths and light field intensity on bunching and antibunching effects of light field is discussed when the coupling of atom and light field is time-dependent.
现有的消除相关噪声方法也不能令人满意,为此本文试图用三维聚束滤波方法消除三维地震资料中的相关噪声。
The current-used coherent-noise eliminated method is also not satisfactory, for that reason, the paper tried to use 3D beamforming filtering method to eliminate the coherent noise in 3D seismic data.
全新聚束器计算机控制系用于实时控制聚束器系统,从而达到改变离子束流纵向相位空间,提高束流流强的目的。
The wholly new computerized buncher control system is an real time buncher system. It changes vertical phase space of the ion stream and enhances the intensity of the ion stream.
应用推荐