模糊函数 meaning in English
ambiguity function
ambiguity interval
blurred function
fuzzy function
obscure function
Examples
- This dissertation mainly studies the pulse compression waveform designing and signal processing , including the following aspects : firstly , by the pulse compression basic theory , the linear frequency modulation signal ( lfm ) , binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function , pulse compression and spectrum characteristic
本文主要进行脉冲压缩雷达波形设计以及信号处理方面的研究,主要体现在以下几个方面:首先,从脉冲压缩基本理论出发,分别给出了线性调频、二相编码和频率步进信号的模糊函数、脉冲压缩以及频谱特性,对多普勒性能进行了简要分析。 - This paper gives a detailed account of the waveform , matched - filter , fuzzy function , resolution in speed , resolution in range and the capacity of anti - interference of the chirp signal . it deals with several methods to produce chirp signal and the advantages and disadvantages of these methods . it describes the working principle and performance of dds , analyses the phase errors initiated by the phase truncation and proposes a new scheme to solve the error
本文详细介绍了以下几个方面：线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力；产生线性调频信号的几种方法并简要分析了各种方法的优缺点； dds的工作原理、性能指标，分析了相位截断产生的相位误差，并提出解决这种误差的新方案；设计了一个产生线性调频信号的具体电路。 - The main work is given as follows : the stepped - frequency waveform synthesizing the wideband signal , the synthetic range profile ( srp ) by ifft , the range resolution of stepped - frequency waveform , the effect of the radial velocity on the srp , the radial velocity compensation , ambiguity function , waveform design and stepped frequency sar imaging and so on
包括：频率步进波形合成超宽带信号分析， ifft方法获得目标一维距离像与距离分辨率分析，径向速度对目标距离像的影响、速度补偿、频率步进信号的模糊函数分析，以及频率步进波形照射下的合成孔径雷达成像、波形设计与系统设计。 - Aiming to solve this problem , the work of the thesis is shown below : 1 . the product ambiguity function ( paf ) - based adaptive time - frequency distribution is proposed . in specific , two adaptive methods for kernel design , the radon - paf based method and the paf - lag - varying filter based method , are presented
本文针对这一问题开展了如下工作: 1 .提出了基于乘积性模糊函数的自适应时频分布,并给出了两种针对线性调频信号的自适应核函数设计方法,包括基于radon - paf滤波和基于paf时变滤波的方法,使得该时频分布能够在增强时频聚集性的同时抑制交叉项。