基于非线性大信号散射函数理论,对一种用来线性化散射函数的新方法进行了研究。
Based on the nonlinear large-signal scattering functions theory, a novel method to linearize the scattering functions is studied.
给出超宽带雷达信号的概念,提出由超宽带雷达信号散射远场重建理想导体目标简捷的时域成像公式和实现算法。
A concept of Ultra wideband radar signal is proposed, and then a time domain imaging algorithm is presented to reconstruct far field images of conducting objects.
大信号散射函数概念的提出给人们一种全新的思路来解决模型的建立所存在的各种问题,但同时也给科研工作者提出了更多的挑战。
The introduction of the notion of Large-signal Scattering Function for modeling nonlinear RFPA exploits a novel way for the researchers to solve the existence p.
然而,这种散射光极其微弱,因此只产生一个非常弱的信号。
However, the scattered light is extremely weak and therefore yields a very low signal.
不过,话虽如此,是XDR - F1HD50分贝静音射频灵敏度是如此之低,大多数流星散射信号容易收到静音尽管软。
However, having said that, the XDR-F1HD 50 dB quieting RF sensitivity is so low that most meteor scatter signals are readily received despite the soft mute.
受激喇曼散射使得信号波长就象是更长波长信号通道或者自发散射的喇曼位移光的一个喇曼泵。
Stimulated Raman scattering signal wavelength is like making a longer wavelength signal path or spontaneous Raman scattering of a Raman - displacement pump.
采用两个模拟光源,分别模拟了信号光和后向散射光。
Two light sources were used for simulating the signal and backscatter light respectively.
采用两个模拟光源,分别模拟信号光和后向散射光。
Two light sources are used for simulating the signal and backscatter light respectively.
超宽带雷达具有高分辩能力,它探测到复杂目标时,目标总的电磁散射是多散射中心的合成,回波信号不同于普通的窄带雷达回波。
Ultra wide band radar has high range resolution capability, when UWB signals interact with target, and the responses of target are composed of many separate scattering centers.
该模型可给出弹目交会过程中目标散射信号。
The model can give target scattering signal during projectile target crossing.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
利用非线性散射函数可以完成对大信号射频功率器件的精确建模。
The nonlinear scattering function can build accurate model of RF power components under large signal.
首先分析了雷达目标散射信号特征。
At first, the radar target scattering signal characteristics are analyzed.
该算法采用了相位梯度算法(PGA)的处理结构,利用了多个距离单元上的散射点信号。
In the algorithm, the phase gradient algorithm (PGA) was performed, and the signals of multiple scatters on a few range bins were utilized.
概述了光纤中受激布里渊散射(SBS)作用于微波光子信号的工作原理,基本特性以及工作方式。
The principles, characteristics and operations of stimulated Brillouin scattering(SBS) for microwave photonic signals in optical fiber are summarized.
本文研究了从生物组织的背向散射信号中提取散射元间距信息的多分辨率分析方法。
Multiresolution analysis is used to estimate the scatterer spacing in biological tissue from the back-scattering signal.
当材料中孔隙达到一定尺寸时,可形成超声散射信号。
Ultrasonic backscatter signals may be observed when the size of a porosity is large enough.
被测颗粒的散射信号幅度与它在探测区中的位置、颗粒尺寸和形状有关。
The amplitude of a received scattering signal depends on the position of the scattering particle in the measurement volume, as well as the dimensions and shape of the particle.
由于背散射电子信号的图像既可以显示样品的形貌也可以显示样品的成分所以选择背散射电子信号进行标记位置检测。
Because the image of backscattered electron could reveal structure of the mark as well as the surface, we chose the backscattered electron signal to detect the position of the mark.
在雷达、声纳、无线通信等阵列处理应用环境中,由于存在丰富的多径散射,阵列观测信号更适合采用分布源模型来描述。
In applications of array processing such as radar, sonar, and wireless communications, the array observed signal is best modeled as a distributed, rather than a discrete source.
云和降水粒子的非球形性质是引起雷达散射信号产生退偏振的主要因素。
The major factor which produces the depolarization of radar scattering signals is the non-spherical properties of hydrometeors.
方法超声彩色血流成像计算机仿真中,血流信号是对成像区间内所有点散射体的回波信号累加而得到的。
Methods in the computer simulation of the ultrasound color flow imaging, flow signals are obtained by accumulating all the echo signals of scatterers in the imaging area.
本文着重讨论了双光束条纹型激光多普勒测流系统中,光学分束系统参数与散射信号的关系,列出了有关的公式。
The effects of parameters of optical beam splitter on-Doppler signals in a dual beam LDV were discussed, and the formulae about these effects were given.
在实验的基础上提出了一种用激光后向散射信号的幅度谱进行探测和识别气泡的新途径。
After the spectral analysis of back scattering we can identify the bubbles by the differences between bubbles and water.
沙尘粒子的吸收和散射效应能引起毫米波信号的衰减。
The absorption and scattering of sand and dust particles can cause the attenuation in mm-wave band.
简要阐述了对流层散射通信的接收信号的形式。
In this paper, the forms of received signal in troposcatter communication are briefly introduced.
用统计方法研究了随机取向偶极子云的后向散射信号的频谱和极化特性、并给出数字结果。
The spectral and polarizing characteristics of radar echoes from random orientation of dipole scatterers are investigated using statistical method and the numerical results are given.
以辐射传输理论为基础,建立了大气距离选通成像系统后向散射光和信号光的模型。
Based on the radiation transmission theory, a model of optical backscatter and signal of atmosphere range-gated imaging system is given.
以辐射传输理论为基础,建立了大气距离选通成像系统后向散射光和信号光的模型。
Based on the radiation transmission theory, a model of optical backscatter and signal of atmosphere range-gated imaging system was given.
以辐射传输理论为基础,建立了大气距离选通成像系统后向散射光和信号光的模型。
Based on the radiation transmission theory, a model of optical backscatter and signal of atmosphere range-gated imaging system was given.
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