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Description: It shows what a jpeg compression is all about.
the function implements the DCT transform, using a matrix operator.
note that matlab has a function for the DCT and iDCT transforms
that might be more efficient.
-It shows what a jpeg compression is all abou t. the function implements the DCT transform. using a matrix operator. note that Matlab has a f unction for the DCT and iDCT transforms that mig ht be more efficient.
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Size: 90947 |
Author: 严刚 |
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Description: target tracking using kalman
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Size: 698368 |
Author: Lin |
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Description: matlab教程，以网页的形式，比较简单、实例很充分，适合与初学。可以看看。-matlab tutorial to the page the form of relatively simple, examples of very good, suitable with the beginners. Can look at.
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Size: 315392 |
Author: dingjiezou |
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Description: 提出了一种新的基于边缘连续特征的HT( ECHT) 混合圆/ 椭圆检测方法,利用连续的
边缘曲线段来决定HT 采样点,实验仿真结果表明该算法较好地解决了标准RHT 检测中无效
采样概率大、无效积累时间多的问题。-A new row based on the edge of the characteristics of HT (ECHT) mixed circle/ellipse detection method, using a continuous curve above the edge to decide HT sampling points, experimental simulation results show that the algorithm has better solution to the standard RHT Detect Invalid probability sampling, and invalid time accumulated many problems.
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Size: 189440 |
Author: 刘镖峰 |
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Description: The present report outlines the design, implementation and performance of the application of Hough
Transform (HT) to detect circles in arbitrary pictures.
Detecting circles in arbitrary pictures involves a two step process in this project. First, edges within the
image have to be detected then, by means of a voting mechanism the most probable circles will be
located.
Edge detection goal is to look for boundary locations that naturally happen between objects. Objects
normally have continuous intensity values therefore sudden changes in that pattern might indicate a
boundary condition. Changes of intensity in one direction can be calculated by the gradient operator
however, noise can alter meaningful edges. Convolution is then normally applied to account for a small
amount of smoothing, thus reducing noise.-The present report outlines the design, implementation and performance of the application of Hough
Transform (HT) to detect circles in arbitrary pictures.
Detecting circles in arbitrary pictures involves a two step process in this project. First, edges within the
image have to be detected then, by means of a voting mechanism the most probable circles will be
located.
Edge detection goal is to look for boundary locations that naturally happen between objects. Objects
normally have continuous intensity values therefore sudden changes in that pattern might indicate a
boundary condition. Changes of intensity in one direction can be calculated by the gradient operator
however, noise can alter meaningful edges. Convolution is then normally applied to account for a small
amount of smoothing, thus reducing noise.
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Size: 1107968 |
Author: donna |
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Description: HOUGH变换及用于SAR动目标检测的matlab程序！-HOUGH Transform and its implemention in the SAR moving target detection
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Size: 1024 |
Author: yule |
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Description: 由给定的谐波分量相对强度生成音符，用于乐器模拟、MIDI制作等- HARMONIC Generates a note with its harmonic wave
HT=harmonic(soundname,tone,k,type) Generate a note with its harmonic
wave in given tone, simulating particular type of musical instrument
type=[basic,second,third,fourth,fifth] represents the coefficients of
harmonic wave.
This function is able to simulate several musical instrument varying
the relative amplitude of each harmonic wave.
Example : Re=harmonic(2, C ,4,[1,0.1,0.3,0.05,0.004]) generates a quarter
note re in C , and simulating a particular instrument
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Size: 1024 |
Author: Jancsi |
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Description: 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
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Size: 4096 |
Author: Anna |
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Description: Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión
2.12)
f = 0.9 frecuencia en GHz
landa = 0.3/f en m
R = -1 coeficiente de reflexión en tierra
ht = 10 altura del transmisor en m
hr = 2 altura del receptor en m
Gt = 1
Gr = 1
Pt = 1
d=10:.1:100000
phase_diff = 4*pi*ht*hr./(landa*d) aproximación
Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2)
Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2)
figure(1), clf,
plot((d),10*log10(Pr/max(abs(Pr))))
grid
xlabel( log_1_0(d) )
ylabel( Potencia recibida (dBm) )- Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión
2.12)
f = 0.9 frecuencia en GHz
landa = 0.3/f en m
R = -1 coeficiente de reflexión en tierra
ht = 10 altura del transmisor en m
hr = 2 altura del receptor en m
Gt = 1
Gr = 1
Pt = 1
d=10:.1:100000
phase_diff = 4*pi*ht*hr./(landa*d) aproximación
Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2)
Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2)
figure(1), clf,
plot((d),10*log10(Pr/max(abs(Pr))))
grid
xlabel( log_1_0(d) )
ylabel( Potencia recibida (dBm) )
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Size: 1024 |
Author: ramonmro |
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Description: 利用matlab进行摄像机标定，其中包括特征点提取，计算。内外方位参数运算，及畸变矫正程序。,-A new continuous edge features HT (ECHT) mixed circular/ellipse detection method, the use of a continuous edge of the curve segment to determine the HT sample point, the simulation results show that the algorithm has better standard RHT detection invalidsampling probability is invalid to the accumulation of time.
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Size: 3072 |
Author: 平兆娜 |
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Description: GSM 同步信道的卷积码的matlab编码，主要是针对同步信道对普通信道不适用-GSM synchronous channels of convolution code matlab code, mainly is aims at the synchronous channels to average channel does not apply
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Size: 1754112 |
Author: 董坤 |
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Description: matlab programme for loss calculation in HT line
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Size: 1024 |
Author: naveen |
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Description: 这个是自己编写的霍夫变换直线检测MATLAB程序，可以用于道路分道线检测。是一种非常简单容易实践的程序。-This is a hough line detection algorithm which can be used to road lane detection. this method is very simple and easy to realize
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Size: 8192 |
Author: 张华 |
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Description: matlab实现希尔伯特黄变换程序，包含emd分解和HT变换(Matlab implementation of the Yellow Hilbert transform procedures, including EMD decomposition and HT transform)
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Size: 6144 |
Author: 米家看
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Description: 本文件对PID参数kp,ki,kd进行寻优，以ITAE作为指标函数。
PSO 文件中有详细的参数设置和寻优过程
GA寻优与PSO寻优作为对比出现
figure1展示了随着迭代次数的变化，适应度函数的收敛情况
figure2展示了kp,ki,kd的迭代情况
ht 文件是用来画图的
问题解决思路.pdf 简要介绍了粒子群算法寻优的过程(In this document, the PID parameters KP, Ki, KD are optimized, and ITAE is used as the index function.
PSO file has detailed parameter settings and optimization process
GA optimization and PSO optimization as a contrast appear
Figure1 shows the convergence of fitness function as the number of iterations changes
Figure2 shows the iterations of KP, Ki, and KD
The HT file is used for drawing
The problem solving idea.Pdf briefly introduces the process of particle swarm optimization)
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Size: 254976 |
Author: 大燕
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Description: Time Frequency Toolbox matlab时频分析工具箱,里面有各种时频分析函数，用matlab实现的，小波变换，Gabor变化，短时傅里叶变换等等(AF Ambiguity function
AR Auto-regressive (filter or model)
ASK Amplitude shift keyed signal
BJD Born-Jordan distribution
BPSK Binary phase shift keyed signal
BUD Butterworth distribution
CWD Choi-Williams distribution
FM Frequency modulation
FSK Frequency shift keyed signal
GRD Generalized rectangular distribution
HT Hough transform
MHD Margenau-Hill distribution
MHSD Margenau-Hill-Spectrogram distribution
MMCE Minimum mean cross-entropy
NAF Narrow-band ambiguity function
PMHD Pseudo Margenau-Hill distribution
PWVD Pseudo Wigner-Ville distribution
QPSK Quaternary phase shift keyed signal
RID Reduced interference distribution
STFT Short-time Fourier transform
TFR Time-frequency representation
WAF Wide-band ambiguity function
WVD Wigner-Ville distribution
ZAM Zhao-Atlas-Marks distribution)
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Size: 306176 |
Author: fisher86 |
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