Although neural networks have already found many successful applications in speech signal processing, it is difficult to compare their performance with that of the traditional methods objectively. In this correspondence, we address this problem by using the predictive minimum description length (PMDL) principle to select the optimal network size in modeling speech signals.Index Terms-Neural networks structure optimization, predictive minimum description length (PMDL), speech modeling.
By backward-reasoning and analyzing the features of spatial forms of contemporary minimalism architecture, an abstract concept, space interface, is introduced to restore the original elements, investigate the construction processes and explain the essential connotations of the spatial forms. On this basis, three different types of rational construction logics are summed up: the geometric forms of volume, the illumination manifestations of light and the folding appearances of surface, in order to interpret the inherent simplicity and purity of the space interface characteristics of minimalism architecture and provide a kind of realistic theories and methods of space interface manipulation for architectural practices.
B-ultrasonic is widely used in medical diagnostics and other fields, because of its non-invasive, no radiation, etc. Early B-ultrasonic with analog imaging system cant achieve B-ultrasonic image processing, data storage and other operations. With the development of computer technology and electronic technology, Digital B-ultrasonic systems are increasingly used in actual diagnosis, the paper through the use of digital imaging system to achieve B-ultrasonic front ultrasound imaging, reuse embedded microcontrollers Camera interface for B-ultrasonic acquisition of image data, and on this platform to achieve a B-ultrasonic application software development. System testing show that the system data acquisition is stability, and easy to operate, reliable, also can be widely used in medical and industrial ultrasonic fields.
Key words: B-ultrasonic; Data Acquisition; Camera; Digitizing
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