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- LFM signal detection and parameter estimation is deduced.At last, wavelet transform of LFM signal is presented, and LFM signal detection based on wavelet spectrum is studied. 线性调频信号的检测与参数估计是一个广泛受到关注的问题,分析了线调频信号的小波变换,并提出了基于小波谱的线性调频信号检测的算法。
- The research object is ultra-wideband LFM signal in low signal-to-noise ratio In this thesis, Study ultrawideband radar signal detection and parameter estimation, and obtain some valuable results. 本文以低信噪比条件下的超宽带LFM信号为研究对象,系统地分析了如何对该类信号进行检测与参数估计,取得了一些有价值的成果。
- LFM signal detection 线性调频信号检测
- Comparison and Analysis of LFM Signal Detecting Techniques under Low SNR and Strong Narrowband Jamming Conditions 低信噪比强窄带干扰条件下的LFM信号检测技术的比较与分析
- Easy verification of signal detection by the indicator. 通过指示器非常方便检测。
- Based on the features of ambiguity function of LFM signal, a new adaptive kernel is given. 然后，基于线性调频信号模糊度函数特征，提出了一种新的自适应核函数。
- 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。
- The Linear Frequency Modulated（LFM） signal is a popular pulse compression radar signal. 摘要 线性调频信号是雷达中常采用的一种脉冲压缩信号。
- 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。
- LFM signal will likely become the main signal form in underwater target strength broadband test. 摘要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。
- For the characteristics of the millimeter radar, the LFM signal is used to get larger time-bandwidth. 针对本系统毫米波雷达传感器的特性,采用了线性调频脉冲压缩信号获得大的时宽带宽积;
- Busy signal detected at remote site on callback. 在远程站点回拨时检测到了占线信号。
- By analyzing the fractional Fourier transform (FRFT) result of LFM signal, a method of excising LFM interference in fractal domain was put forward. 通过对LFM干扰信号分数阶傅立叶变换计算结果的分析，提出在分数阶域进行LFM干扰抑制的方法；
- This paper puts forword a method to generate the complex modulation LFM signal using the slope wobble in different Pulse Repetition Interval (PRI). 该文提出利用脉间调频斜率抖动的复杂调制LFM信号，实现对数字储频欺骗干扰的抑制。
- In this paper,the reassigned smoothed pseudo Wigner-Ville distribution is to LFM signal detection.Computer simulation results show its effectivity. 计算机仿真实验结果验证了这两种方法可以有效地抑制交叉项干扰,提高了检测精度。
- Aiming at the characteristic of LFM radar signal,this paper analyzes the thoery of distilling instant frequency of LFM signal based on the means of instant phase firstly. 文中针对线性调频雷达信号的特点,首先分析了基于瞬时相位法的线性调频信号瞬时频率提取原理,其次通过确定模糊值恢复了相位序列,实现提取线性调频信号的瞬时频率。
- The applications of a photon counter in a signal detection system of a compact Mie Scattering Lidar is described on this paper. 摘要介绍了光子计数器的结构、工作原理并对其进行了响应校准。
- A new digital method for LFM signal generated is proposed.The LFM signal can be generated by means of two second-order infinite impulse response filters（IIR） computing. 提出了一种新的线性调频信号数字产生方法，该方法是利用两个二阶无限脉冲响应滤波器进行计算产生信号；
- Establishment of quantitative signal detection system can greatly enhance the efficiency of ADR monitoring. 不良反应定量信号检测系统的建立可以极大地提高药品不良反应监测工作的效率。
- De-noisding by soft-thresholding is a new signal detection method in wavelet analysis. 摘要采用浮动阀值分离噪声是小波分析中一个新的信号检测方法。
