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lisanfushibianhua
- 1． 观察窗函数的影响。 信号为 ， KHz， KHz， 采样频率 KHz。 a) 写出 （ ）的频谱 ； b) 分别画出窗长度 ， ， ， 的矩形窗频谱和Hamming窗频谱。观察L的变化对窗谱的主瓣宽度、旁瓣密集度、相对旁瓣水平的影响。 c) 时域采样点数分别取 ， ， ， ， 分别画出 加矩形窗及加Hamming窗时DTFT频谱 ； 你能否从频谱上分辨出信号的三个频率分量？若能分辨出，它们的位置和相对大小
zhubanduifuban
- 信号分析中的计算机仿真代码，主瓣信号对副瓣信号，能够得到较好仿真.-Computer simulation codes in signal analysis, the main lobe signal to sidelobe signal, can get a better simulation
hw9
- –针对矩形、bartlett、hanning、hamming、blackman窗 M=40 –求： ①分别画出单位脉冲响应w[n] ②分别画出幅度响应20log10|W(e^jω)| ③分别给出第一旁瓣衰减和主瓣带宽，并与理论值比较-- For a rectangle, bartlett, hanning, hamming, blackman window M = 40- seeking: ① Draw the
beamfoming
- 简单的波束形成，方便初学者多数字波束形成有个简单的了解，通过加切比雪夫窗实现旁瓣与主瓣的db差-Simple beamforming, easy for beginners and more digital beamforming is a simple to understand, Gache achieved by the main lobe and sidelobes Chebyshev window db difference
fangxiangtu_ganrao
- this code is about Generalize Side Lobe Canceller and very important in array processing.
CuttingForce_etc
- This upload files are composed of 5 examples. 1. Static force simulation for flat endmill 2. Dynamic force simulation for flat endmill 3. Optimisation problem 4. One dimensional wave simulation of a string 5. S
The-Application-and-Study-of-Antenna
- 以天线方向图函数为例，分析了对称阵子天线、阵列天线方向图函数F(0， )随各参量变化的规律以及二维图形的特点，并讨论了直线天线阵(单向端射阵)的最大辐射方向和主瓣宽度随各参量变化的二维、三维图形特点。借助MATLAB的绘图功能，对各种天线的方向图函数的二维、三维图形进行研究，可以观察到天线辐射场在不同方向的辐射能量分布。直观清楚地表现出辐射方向图的特点。-Antenna pattern functions as an example t
fcm-brain
- 利用matlab软件编写模糊聚类算法，将脑叶图片不同像素点分离-Software written using matlab fuzzy clustering algorithm, the lobe separation of different pixel images
analogBF
- 用于智能天线原理演示（一维直线阵） 生成的指向性波束在主瓣方向与其他方向的功率对比-used for demostration of amart antenna（1-dimension straight array） to compare the power within the main lobe and other direction of the generated directional beam
WSN_BM_SDMA
- In these source codes we have investigated the random planar array performance in terms of the half power beam width, the gain of an array of N elements and side lobe performance. The objective was to apply these results
RS
- peak side lobe compression using rs sequence
yuzuse
- 基于阻塞矩阵预处理的抗主瓣干扰方法方向图的仿真-Simulation of anti-blocking matrix preconditioning main lobe interference pattern-based method
matlab
- 绘制普通端射阵天线的MATLAB程序。普通端射阵主瓣较宽，但是副瓣电平较小-Draw ordinary end-fire array antenna MATLAB program. Common end-fire array main lobe is wider, but smaller sidelobe level
chaoshengbo
- 用以模拟超声波指向性的三维图像，另外显示旁瓣，栅瓣，主瓣，以及能量分布-Order to simulate the three-dimensional image of ultrasonic directivity, and show the sidelobe, grating disc, main lobe, and the energy distribution
dateandcode
- 利用cst远场数据在matlab画出波瓣图-Use cst far field data lobe pattern shown in matlab
SCL
- 旁瓣相消，仿真程序加入了干扰，以及旁瓣相消后的干扰输出，天线方向图-Sidelobe cancellation, joined the interference simulation program, and the side lobe cancellation after the interference of output, antenna pattern
Bayliss
- 用来计算一定副瓣要求下的Bayliss权分布和对应的方向图-Bayliss rights used to calculate the distribution of certain side-lobe request and the corresponding pattern
YUANZHEN
- MATLAB实现圆环阵方向图，方位角为九十度，以及最大峰值旁瓣电平-MATLAB realize the circle array pattern, an azimuth of ninety degrees, and the maximum peak side-lobe level
RD_hanning
- 汉明窗有效提高雷达成像PSLR和ISLR，加窗函数作用在与提高主瓣抑制旁瓣-Han Mingchuang effectively improves the radar imaging of PSLR and ISLR, with a window function acting on the side lobe suppression with the enhancement of the main lobe
zuoye
- 雷达信号理论与应用，自制相同带宽的不同源信号，计算其等效带宽，主瓣分辨率以及信号持续时间-Radar signal theory and application of homemade same bandwidth of different source signals, calculating the equivalent bandwidth of main lobe resolution and signal duration