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。
It captures images in linear, HDR or LFM modes, and offers frame-to-frame context switching between modes.
它捕获的图像在直链,HDR或线性调频模式,并提供帧到帧的上下文模式之间切换。
Linear frequency-modulated continuous wave synthetic aperture radar (LFM CW SAR) imaging algorithm is studied.
研究了线性调频连续波sar的距离徙动算法成像。
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。
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。
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 allusion to wideband LFM signals which have the same time-frequency signature, a novel algorithm of DOA estimation is proposed.
针对具有相同时频分布的宽带相干lf M信号,提出了一种DOA估计新算法。
A new algorithm of the parameter estimation and the signal separating is presented based on multi-component LFM signal with the WHT.
提出了一种基于WHT的多分量LF M信号的参数估计与信号分离算法。
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 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。
It is more difficult to estimate and separate LFM as a result of the appearance of multi-object and the applying of Multi-LFM radar wave signal.
从回波信号中进行多目标信号分离和提取始终是防撞雷达的一个关键技术难点。
After the introduction of the pulse compression and the LFM, the paper studies the procession of the LFM pulse compression and the methods of it.
首先对脉冲压缩和线性调频脉冲信号进行了介绍,然后研究了线性调频信号的压缩过程及其压缩方法。
The parameter of LFM term estimated by the changing sample ratio processing technology to improve the performance of tracing distance is presented.
提出了应用变采样率技术估计线性调频项参数来减小距离跟踪的误差,提高雷达的跟踪目标性能。
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。
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。
We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.
本文研究了线性调频信号脉冲压缩的旁瓣抑制问题,分析了频谱加权法和冲激响应加权法的原理。对两种方法的谱平滑效果。
应用推荐