Genetic Neural NetworkQuantitative analysis method for laser induced breakdown spectroscopy based on gGenetic Neural Networkgenetic neural network
A genetic neural network and laser-induced breakdown technology, applied in the field of quantitative analysis of laser-induced breakdown spectroscopy based on genetic neural network, can solve the problem of difficulty in selecting a global initial point, lack of theoretical basis for neural networks, slow convergence, etc. question
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[0052] An application example of the present invention is presented below, and the present invention will be further explained here in combination with the accompanying drawings and examples, but the present invention is not limited to this example.
[0053] In this example, the LIBS system is used to obtain sample spectral data. The system is mainly composed of Q-switched pulsed Nd:YAG laser, fiber optic spectrometer, fast photodiode, two-dimensional precision mobile platform and computer. The laser light source is a pressure-reducing Nd:YAG Q-switched pulse laser, the wavelength of the fundamental frequency light is 1064nm, the pulse width is 10ns, the beam diameter is 6mm, and the single pulse laser energy is adjustable within the range of 20-300mJ. The multi-channel fast-trigger small fiber optic spectrometer (Avantes company) consists of a CCD detector, a small fiber grating, a digital pulse delay generator, a signal acquisition system and related software. The linear arr...
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