| 摘要 |
<p>A digital-analog converter and method for lowering the computational complexity and decreasing the circuit scale, and data interpolating device and method. The digital-analog converter has a fundamental digital waveform generating section 10 for generating a fundamental waveform according to the values of inputted discrete data, a convolution calculating section 20 for carrying out oversampling and convolution of the output from the digital waveform generating section 10, and a D/A converting section 30 for D/A converting the output from the convolution calculating section 20. The amplitude of the fundamental digital waveform is modulated according to the discrete data and the data is combined by convolution. Only by carrying out oversampling and convolution, continuous interpolation values are obtained. <IMAGE></p> |
