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matlab_simulation_DS_interception
These are some code for direct sequence spread spectrum system using different methods which can be used for DSSS signal interception.
- 2009-06-14 19:36:26下载
- 积分:1
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lle
Locally-Linear Embedding (LLE)[9] was presented at approximately the same time as Isomap. It has several advantages over Isomap, including faster optimization when implemented to take advantage of sparse matrix algorithms, and better results with many problems. LLE also begins by finding a set of the nearest neighbors of each point. It then computes a set of weights for each point that best describe the point as a linear combination of its neighbors. Finally, it uses an eigenvector-based optimization technique to find the low-dimensional embedding of points, such that each point is still described with the same linear combination of its neighbors. LLE tends to handle non-uniform sample densities poorly because there is no fixed unit to prevent the weights from drifting as various regions differ in sample densities. LLE has no internal model.
- 2011-01-23 02:12:31下载
- 积分:1
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regularition
主要是利用归一化的方法进行位场边界识别,利用导数与周围最大值的比值来进行。(Mainly using the method of normalized potential field boundary identification, the use of derivative and the ratio of maximum to be around.)
- 2011-05-24 15:09:47下载
- 积分:1
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lint11
calculates line integral using matlab
- 2010-07-20 06:08:14下载
- 积分:1
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MATLAB-Files
File 1: THIS CODE IS USED TO DRAW THE PUMP CURVES AT DIFFERENT PUMP SPEED
1: PUMP CURVE
2: EFFICIENCY CURVE
3: BREAK HORSEPOWER CURVE
4: KW-INPUT CURVE
File 2: THIS CODE IS FOR APPLYING THE WAY OF CALCULATING THE EFFICIENCY, POWER
AND KW-INPUT FOR VARIABLE SPEED PUMP AT A GIVEN DESIRED HEAD AND DESIRED
FLOW AS SHOWN IN THE PAPER TITLED:
" how to calculate the pump efficiency and power for variable speed pump"
File 3: this code is to correct the use of affinity law by shifting the curve to
intersect with the system-curve at the desired flow as shown in the
paper titled:
"The Correct Method of Calculating Energy Savings to Justify Adjustable-Frequency Drives on Pumps"
- 2014-01-29 08:56:07下载
- 积分:1
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punsing
信号维数的估计,仿真效果非常好,小波包分析提取振动信号中的特征频率。( Signal dimension estimates, Simulation of the effect is very good, Wavelet packet analysis to extract vibration signal characteristic frequency.)
- 2016-10-15 20:54:06下载
- 积分:1
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61738191-Satellite-Link-Budget-Analysis-Matlab-Co
satellite link budget analysis using matlab
- 2011-08-25 17:27:48下载
- 积分:1
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slblocks
自己创建simulink库的时候所需要的文件,值得参考(Simulink library to create their own when the required documentation, it is also useful)
- 2009-05-29 10:25:33下载
- 积分:1
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MMSE_CE
Channel estimation using MMSE
- 2014-09-11 20:22:38下载
- 积分:1
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gcmex-2.3.0
图切优化算法,通过它可以使得C++程序脱离vc环境在matlab中运行。(Figure cut optimization algorithm, it can makes C++ program from the vc environment in matlab run.)
- 2020-11-13 10:09:43下载
- 积分:1