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Chip-electronic-bell-million-years
单片机万历年电子钟Chip electronic bell million years(Chip electronic bell million years)
- 2013-11-15 15:16:49下载
- 积分:1
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example4_3
例3:分析占空比为ta的矩形脉冲频谱
T=1 时间窗大小
ta=0.5 占空比
N=256
t=linspace(-T,T,N)
ts=2*T/N
fs=1/ts
(x=zeros(1,N)
x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1)
y=fft(x,N)
figure
plot(t,x)
title([ 时域信号图 占空比为 ,num2str(ta)])
axis([-T T-0.2 1.2])
xlabel( t /s )
figure
subplot(211)
f=linspace(-fs/2,fs/2,N)
plot(f,abs(fftshift(y))/N)
title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ])
xlabel( f /Hz )
)
- 2010-05-25 20:59:59下载
- 积分:1
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Ziena.Optimization.KNITRO.v7-w32
Ziena.Optimization.KNITRO.v7 w32
- 2020-10-12 23:57:32下载
- 积分:1
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SAEJ2534
Foreword
The use of reprogrammable memory technology in vehicle electronic control units (ECUs) has increased
in recent years, and is expected to continue in the future. Use of this technology has increased the
flexibility of being able to use a single ECU hardware part to be used in many different vehicle
configurations, with the only difference being the software and calibrations programmed into the unit.
Reprogramming of those ECUs in the service environment also allows for ease of field modification of
system operation and calibrations. Variations in reprogramming capability and the multiple tools
necessary to reprogram vehicles are a burden on aftermarket repair facilities that service different makes
of vehicles.
- 2010-06-24 22:18:29下载
- 积分:1
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Comparisonofimagesimilarity
图像相似度比较论文,介绍了图像相似度比较的基本原理,并实现图像比较,分析结果(Comparing image similarity thesis describes the basic principles of image similarity comparison and achieve the image comparison, analysis)
- 2020-06-26 14:00:02下载
- 积分:1
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ASK_Done
基于的ASKmatlab,完整的程序,有能相关的说明和注释,有需要的朋友下载吧~(Based on the ASKmatlab, complete program and relevant instruction and comments, the need to download friends ~)
- 2011-11-15 13:22:14下载
- 积分:1
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SGA
简单遗传算的代码,也不是我自己写的,但是我亲自调过能用的(Simple genetic algorithm code, not my own writing, but I personally emphasized the use of)
- 2014-12-01 23:38:33下载
- 积分:1
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FAP-Turbo-v5.2-with-setting
robot forex fab turbo . good trading option
- 2015-05-31 20:48:18下载
- 积分:1
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ipman
IP包监听程序 (IP packet sniffer)
- 2020-06-26 12:40:01下载
- 积分:1
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SSeparately_be
基于小波变换的分开—合并图像分割matlab.采用多尺度小波变换系数作为四分树结构的分开一合并法图像分割的一致性度量 从而在大的图像块中。。去除噪声的影响,在小的图像块中,以小波变换的局部极大值精确定位边缘,根据边缘信息进行分开一合并法图像分割 .实验表明.算法得到满意的结果 .
(Separately based on wavelet transform- merge image segmentation Matlab. Multi-scale wavelet transform coefficients as the quadtree structure separate consolidation method of image segmentation consistency measure large image block. . To remove the effects of noise, in small image blocks, the local maxima of the wavelet transform precise positioning edge, to separate a combined method for image segmentation according to the edge information. Experiments show. Algorithm to obtain satisfactory results.)
- 2012-09-30 19:33:45下载
- 积分:1