The invention provides a linear frequency-modulated signal generator with a predistortion function. The linear frequency-modulated signal generator comprises an FPGA unit, a digital-analog conversion unit and a filtering unit, wherein the FPGA unit is used for generating a phase position predistortion ...
ApplicationofLinearFrequencyModulatedSignal40LFM41inLowFrequenciesVibration 第17卷增刊 2004年8月 振动工程学报 JournalofVibrationEngineering V01.17No.S Aug.2004 线性调频信号在低频振动校准系统中的应用 李晓蕾 樊尚春 (北京航空航天大学仪器科学与光电工程学院 北京,100083) 摘 要针对某低频(o.ol～20Hz)电动振动台...
The basic principles of weight Linear Frequency-Modulated (LFM) signals and NLFM signals are introduced. 在研究线性调频信号加权和非线性调频信号产生原理的基础上,针对大时宽带宽积信号,基于4种窗函数对2种调频信号形式进行了波形设计,并进行了仿真,给出了不同设计波形的脉压性能,其结果对于大时宽带宽积信号...
Systems and methods for digitally synthesizing chirp signal in a low intermediate frequency (IF) band and using frequency multipliers to generate a higher ... YU Tommy,A Madisetti 被引量: 0发表: 2022年 Frequency modulated signal cancellation in variable power mode for radar applications A radar ...
The basic properties of linear FM signal, pulse compression based on the basic principles of using labview and matlab mixed programming techniques to develop a LabVIEW-based the lfm signal software analysis software. 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑...
2.The Detection and Parameter Estimation of the Linear Frequency Modulated Signals and Nolinear Frequency Modulated Signal in Low SNR;线性调频和非线性调频信号的检测与参数估计 3.Time-Frequency Analysis of Nonlinear Frequency Modulation Signal and Its Application;非线性调频信号的时频分析及其应用 ...
6) linear frequency modulation 线性调频 1. The Pre-condition for Variable Capacitance Diode Frequency Modulator Obtaining the Linear Frequency Modulation; 变容二极管调频器获得线性调频的条件 2. Parameter estimation of linear frequency modulation radar signal based on the improved high-order ambiguity ...
The Linear Frequency Modulated(LFM) signal is a popular pulse compression radar signal. 线性调频信号是雷达中常采用的一种脉冲压缩信号。 ceaj.org 7. 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...
In this paper a new method for designing non-linear frequency modulated (NLFM) waveforms for ultrasound imaging is proposed. The objective is to control the amplitude spectrum of the designed waveform and still keep a constant transmit amplitude, so that the transmitted energy is maximized. The s...
a本文在研究线性调频信号基本性质、脉冲压缩基本原理的基础上,利用LABVIEW 和MATLAB的混合编程技术,开发出了基于LABVIEW的LFM信号软件分析软件 This article in the research linear frequency modulation signal basic nature, in the pulse compression basic principle foundation, uses LABVIEW and the MATLAB mix programm...