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dip4
对原始灰度图像进行图像压缩,对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换
(The original gray image compression, this map for 8 × 8 DCT transform, respectively, to retain only the DC coefficient, and to retain the former 4,8,16 months transform coefficients (DC+ AC), and then separately IDCT transform)
- 2010-05-11 17:02:13下载
- 积分:1
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grd_test
xwch_test.m是主测试文件;biaoji.mat存放滤波器系数;xiangweicha.m用FFT计算相位差。
仿真框架为:
1.标记信号和双音信号续接作为发送信号;
2.对双音中一个频率分量的相位做偏移,再经过一个低通滤波器(引入线性相位,模拟收发不能同步测量现象)后,作为收到的信号;
3.用一个检测信号对收发信号进行相关运算;
4.画出收发信号以及相关处理后的信号。找出相关信号的那个尖点,从而推算出收发双音信号0相位点;
5. 输入0相位点位置,计算相对相位差。(xwch_test.m is the main test file biaoji.mat store filter coefficients xiangweicha.m calculated using FFT phase difference. Simulation framework: 1. Mark signals and then as a two-tone signal continued to send signals 2. On a two-tone frequency components of the phase shift to do, and then through a low pass filter (the introduction of linear phase, simulation can not simultaneously send and receive measuring the phenomenon), the as received signal 3. using a detection signal of the transceiver signal correlation operation 4. draw send and receive signals and related processed signal. Correlated signal of the cusp, which calculate the two-tone signal transceiver 0 phase point 5. Enter 0 phase point position, calculate the relative phase difference.)
- 2010-06-12 17:31:00下载
- 积分:1
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matlab
三参数模型 系统辨识 自己编写的通过了测试,并写了论文(The three-parameter model system identification adopted their own written)
- 2009-09-19 19:16:41下载
- 积分:1
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search-time
任意输入年,月,日,通过输入日期查看它是该年的第几天(Any input year, month, day, it is the first few days)
- 2012-03-31 11:40:39下载
- 积分:1
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hamming
this is the matlab code of hamming code
- 2011-06-13 15:36:49下载
- 积分:1
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fff
face recogintion system using PCA algorithm that recognize faces using features of human faces
- 2011-10-03 12:57:12下载
- 积分:1
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speech
Arabic Text To Speech system
- 2013-04-03 22:56:42下载
- 积分:1
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OFDM
使用MATLAb采用QPSK和16—QAM调制的OFDM仿真(Using matlab QOSK and 16 QAM modulation OFDM simulation)
- 2020-07-01 07:20:01下载
- 积分:1
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Programs_pudn
THis contains routing algorithms and certain cipher techniques using Matlab
- 2010-11-30 21:37:19下载
- 积分:1
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psk
psk modulation is done using simulink model in this document. hope u get knowledge
- 2013-02-05 12:19:07下载
- 积分:1