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DDoS attack is a major Internet security problem-DoS is that lots of clients simultaneously send service requests to certain server on the internet such that this server is too busy to provide normal services for others. Attackers using legitimate packets and often changing package information, so that traditional detection methods based on feature descriptions is difficult to detect it. This paper...
Aimed at the bulky nonlinear temperature system with time-delay, a DFOPDT model is established. The relation between the classical model and the disperse model of the system is deduced. An algorithm is presented which is an effective way to solve unknown parameters of the model by neural network. The network can soon converge through the iterative calculation in which the value of unknown parameters...
One of the problem in Substrate Integrated Waveguide (SIW) power dividers design is that the simulation often needs plenty of calculation, so it tends to take a long time to optimize the parameters. This paper provides a new approach for the design of substrate integrated waveguide power dividers based on a back-propagation neural network. The design of a 10 GHz SIW power divider is presented, and...
A hybrid algorithm of calculation and intelligent learning with global convergence will be introduced, which is a combination of the BP algorithm and the genetic algorithm. This hybrid algorithm takes advantage of these two kinds of algorithms, possessing both a fast convergence and a high level of global convergence property. As a result, it is significantly better than the two algorithms according...
It is difficult to identify the fault type with the signal gathered from the sensors. In this paper, a new fusion algorithm based on the Dempster-Shafer theory of evidence and neural networks is brought forward. This method combines the advantages of D-S evidence theory and the BP neural network. Neural networks are used to pretreated the data gathered from the embedded sensors in the monitoring system...
The vision based cybercar named JLUIV-V is an electric automatic intelligent vehicle developed by Jilin University. This paper first describes the system structure, the design of the navigation line and the numerals. Then, the image segmentation algorithms for variable illuminations and the BP neural network algorithm classifier are introduced. Some image segmentation results of different images under...
A system to detect the corrosion of submarine oil pipeline is introduced, it got the original data by 3 groups ultrasonic sensors and flux leakage sensors. We made multiscale wavelet transform and frequency analysis to multichannels original data and extracted multi-attribute parameters from time domain and frequency domain, then we selected the key attribute parameters that have bigger correlativity...
Deep lava maybe contain petroleum and natural gas or CO2 gas, it is very important to find lava but the lava is in deep stratum and has complex structure, so it is difficult to find lava stratum. There are some methods to predict where the lava is but some problem also is in them such as the precision of recognition and forecasting is not high. A generic algorithm with adaptive and floating-point...
There are almost more than 4,000 sorts of algae which could result in the red tide in the world, but only two or three, named the dominant species, place a premium on red tide at a time. This paper presents a method which uses the hyper-spectral images of different familiar dominant species to train the different networks respectively, then synthesizes the outputs of the networks with the same weight...
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