Both methods could perform blind detection of LFM signals.
两种方法均可实现线性调频信号的盲检测。
First of all, LFM signal model is introduced, and then short-time Fourier transform is studied.
文章首先介绍了线性调频信号模型,然后概述了基于短时傅立叶变换的参数估计方法。
LFM signal will likely become the main signal form in underwater target strength broadband test.
线性调频信号可能将成为水下目标强度宽带测试的一种主要信号形式。
This paper introduces the design of a wide band LFM signal generator based on AD9954 and AD8349.
介绍了一种基于AD 9954和AD 8349的宽带线性调频信号源的设计。
The time-delay estimator of complex LFM based on cyclic cross-correlation amplitude is discussed.
研究了复线性调频信号的循环互相关估计时延问题。
The LFM signal has a high resolution of range and speed, as well as low probability of intercept.
LFM信号具有更高的距离、速度分辨率,以及更好的低截获概率特性。
The limit of the range resolution of a LFM radar depends on the bandwidth of transmitted waveform.
线性调频雷达的极限分辨力取决于发射波形的带宽。
A new method to produce high-linear, low-spurious and wide-band LFM radar wave signal is proposed.
研究了一种高线性度、低杂散宽带LF M雷达波形信号的实现方法。
Then based on the features of ambiguity function of a LFM signal, a new adaptive kernel is proposed.
同时,基于LF M信号的模糊域特征,提出了一种新的自适应核函数。
In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.
针对LF M脉冲雷达的宽带回波信号的多普勒频移和时延估计问题进行了研究。
A new method LFM in direct digital frequency synthesizing (DDS) based on CORDIC algorithm is introduced in this paper.
本文介绍了一种应用CORDIC算法的线性调频直接数字合成(DDS)的实现方法。
This paper proposes a novel spectrum-compressed digital receiving method using Laguerre transformation for LFM signal.
该文提出了一种新的宽带线性调频(LFM)信号频谱压缩数字接收方法。
This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal.
该文在基于子阵和发射为线性调频信号的前提下,提出一种宽带子阵数字波束形成方法。
For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.
对线性调频信号的旁瓣抑制介绍了经典海明窗加权处理方法、频谱修正以及相位预矫正几种方法。
With the LFM pulse frame synchronization method, the performance of UWA communication system based on DPSK is apparently improved.
同时运用线性调频脉冲帧同步法,改善了基于差分相移键控的水声数字通信系统的性能。
In linear frequency modulated continuous wave (LFM-CW) radar the range resolution is determined by signal bandwidth and linearity.
在线性调频连续波雷达中,距离分辨力由线性调频信号的带宽和线性度等决定。
In this paper, the digital generation methods and the implementation techniques for Ultra wideband LFM baseband signals are introduced.
介绍超宽带线性调频信号基带的数字产生方法及其实现技术。
The support vector clustering(SVC)algorithm was introduced to detect linear modulation frequency(LFM) signal and estimate its parameter.
文中引入支持向量聚类(SVC)算法对多分量LFM信号进行检测和参数估计。
The received signal from target of linear frequency-modulated continues wave (LFMCW) radar is a linear frequency-modulated (LFM) signal.
线性调频连续波雷达对于匀速运动目标的回波经过混频以后还是一个线性调频信号(LFM)。
LFM (Linear Frequency Modulation) pulse is a kind of important large time-bandwidth product signal and commonly used in modern radar system.
线性调频脉冲是现代雷达系统中常用的一种重要的大时宽-带宽积信号。
In this dissertation the pulse compression performances of linear frequency modulation signals (LFM) and the algorithm of MTI/MTD are analyzed.
全文主要分析了线性调频信号(LFM)的频域脉冲压缩方法及MTI/MTD的算法;
In order to suppress wideband interference signal, a new wideband received beamforming method in frequency domain was presented for LFM signal.
为了抑制宽带干扰信号,提出了一种基于频域的宽带接收波束形成方法。
The LFM is analyzed exactly like a sample, and its purpose is to determine whether the sample matrix contributes bias to the analytical results.
LFM和样品一样进行分析,目的是为了确定样品基质对分析结果的影响。
Holographic phase-contrast interferometric microphotography was used in-situ to study the characteristics of the boundary layers of LFM (110) face.
利用全息相衬干涉显微术对(110)面边界层特性进行实时观测和研究。
Also, a stretch processing of LFM signal to remove the background clutter is discussed. This method is simple and easily implemented in engineering.
该文提出的基于线性调频信号拉伸处理的杂波剔除方法,在用干涉技术进行三维成像之前剔除强背景杂波,方法简单易于工程实现。
Two basic methods of high resolution range measurement applying LFM pulses are introduced: compression in time domain and compression in frequency domain.
介绍了线性调频脉冲信号高分辨测距的两种基本方法:时域压缩测距和频域压缩测距。
It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率,利用脉冲之间的多普勒信息获得方位上的高分辨率。
In this paper the working principle of the LFM pulse compression radar, and the principles of shift frequency jamming and convolution jamming are analyzed.
本文分析了线性调频脉冲压缩雷达的工作原理、移频干扰原理和卷积干扰原理。
On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band LFM pulse compression signals is proposed in this paper.
对线性调频(LFM)信号的三种主要数字产生方法进行分析,提出一种基于波形存储直读法的超宽带线性调频脉冲压缩信号数字产生系统方案。
On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band radar LFM pulse compression signals is presented in this paper.
该文基于波形存储直读法,提出了一种超宽带线性调频信号数字产生系统方案。
应用推荐