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Description: ％radon transform
clear all
％
N=800
n=1:N
fs=200
t=n/fs
x1=exp(j*2*pi*(5*t+0.5*5*t.^2))
x2=exp(j*2*pi*(5*t+0.5*15*t.^2))
x=x1+x2
％N=length(x)
％ ambifunb(x )
％*****************************************RAT
naf=ambifunb(x)
htl(abs(naf))
％ [wh,rho,theta]=htl(abs(naf))
colormap([0,0,0])
％ xlabel( 极半径 )
％ ylabel( 角度 )
％**************************************％找出峰值点的坐标,计算初始频率和调频斜率(正确)
％找出峰值点的坐标
b=max(max(wh))
[u,a]=find(wh>=0.8*b)
Platform: |
Size: 1629 |
Author: abcde |
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Description: 增量旋转编码器选型有哪些注意事项？
应注意三方面的参数：
1． 械安装尺寸，包括定位止口，轴径，安装孔位；电缆出线方式；安装空间体积；工作环
境防护等级是否满足要求。
2． 分辨率，即编码器工作时每圈输出的脉冲数，是否满足设计使用精度要求。
3．电气接口，编码器输出方式常见有推拉输出（F 型HTL 格式），电压输出（E），集电极开路（C，常见C 为NPN 型管输出，C2 为PNP 型管输出），长线驱动器输出。其输出方式应和其控制系统的接口电路相匹配。如何使用增量编码器？
Platform: |
Size: 190756 |
Author: hongwei |
Hits:
Description: ％radon transform
clear all
％
N=800
n=1:N
fs=200
t=n/fs
x1=exp(j*2*pi*(5*t+0.5*5*t.^2))
x2=exp(j*2*pi*(5*t+0.5*15*t.^2))
x=x1+x2
％N=length(x)
％ ambifunb(x )
％*****************************************RAT
naf=ambifunb(x)
htl(abs(naf))
％ [wh,rho,theta]=htl(abs(naf))
colormap([0,0,0])
％ xlabel( 极半径 )
％ ylabel( 角度 )
％**************************************％找出峰值点的坐标,计算初始频率和调频斜率(正确)
％找出峰值点的坐标
b=max(max(wh))
[u,a]=find(wh>=0.8*b)
- Radon transformclear all N = 800 n = 1: N fs = 200 t = n/fs x1 = exp (j* 2* pi* (5* t+ 0.5* 5* t. ^ 2)) x2 = exp ( j* 2* pi* (5* t+ 0.5* 15* t. ^ 2)) x = x1+ x2 N = length (x) ambifunb (x)***************************************** RATnaf = ambifunb (x) htl (abs (naf)) [wh, rho, theta ] = htl (abs (naf)) colormap ([0,0,0]) xlabel (polar radius) ylabel (angle)************************************** to find the coordinates of the peak point, calculating the initial slope of the frequency and FM (right) find the peak point of the coordinates b = max (max ( wh)) [u, a] = find (wh
Platform: |
Size: 1024 |
Author: abcde |
Hits:
Description: 增量旋转编码器选型有哪些注意事项？
应注意三方面的参数：
1． 械安装尺寸，包括定位止口，轴径，安装孔位；电缆出线方式；安装空间体积；工作环
境防护等级是否满足要求。
2． 分辨率，即编码器工作时每圈输出的脉冲数，是否满足设计使用精度要求。
3．电气接口，编码器输出方式常见有推拉输出（F 型HTL 格式），电压输出（E），集电极开路（C，常见C 为NPN 型管输出，C2 为PNP 型管输出），长线驱动器输出。其输出方式应和其控制系统的接口电路相匹配。如何使用增量编码器？-Selection of incremental rotary encoder which note? Should pay attention to three parameters: 1. Armed installation size, including positioning the mouth only, shaft diameter, mounting hole bit cable round way installation space volume work environment meets the requirements of protection rating. 2. Resolution, that is, the work of each encoder output pulse a few laps, whether the use of precision to meet the design requirements. 3. Electrical interface, encoder output has push-pull output common (F-type HTL format), voltage output (E), open collector (C, common C for the NPN-tube output, C2 for the PNP-tube output), long-term drive output. The output should be and its control system interface circuit match. How to use the incremental encoder?
Platform: |
Size: 190464 |
Author: hongwei |
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Description: 内有我国最齐全的集成电路大全_HTL集成电路,即有最新HTL集成电路-China' s IC Daquan _HTL IC
Platform: |
Size: 5888000 |
Author: 刘汉育 |
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Description: Modelsim 10.0a 中建立 Xilinx ISE 13.1的仿真库及其之间调用设置详解。-Modelsim 10.0a create Xilinx 13.1 calls between the simulation library and its setting Detailed.
Platform: |
Size: 478208 |
Author: 迷失De信仰 |
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Description: HTK zai window7下的安装编译以及测试成功-
HTK installation compiled
Platform: |
Size: 34816 |
Author: 何欣 |
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