I am looking for either an online resource or a book with computer exercises and solutions in signal processing (can be really anything in this space). I am interested in practicing independently, and while there are countless sources for practice computer exercises, I could not find any source that has solutions as well. Don't mind buying a $100 text book if needed. Appreciate any help in this direction.
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L. R. Rabiner and R. W. Schafer, "Matlab exercises in support of teaching digital speech processing," 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, 2014, pp. 2480-2483 [link].
A: Photo of the manufactured compound electrode. The top wire (yellow) connects to the inner electrode and the bottom wire (blue) to the outer ring electrode. B: Top schematic view of the new compound electrode showing the inner electrode and the outer ring electrode. C: Signal processing of the two signals originating from the inner and outer ring electrodes: ADC = Analogue Digital Converter, Cond = standard signal conditioning such as high-pass filtering and 50 Hz removal. T = time delay.
To our knowledge, we are the first to perform simultaneous learning and noise reduction in real-time with a deep neural network without the classical sequential process of training first and then filtering. Specifically for removing EMG from EEG we have developed a novel electrode which in conjunction with the real-time deep learning algorithm implements a constantly adapting spatial Laplace filter. As a proof of concept, we have used data of 20 subjects performing a jaw-clench to produce easily identifiable EMG signals. Future research will focus on more realistic scenarios of EMG noise, for example playing a video game or performing a manual task where noise levels change dynamically which requires possibly an adaptive learning rate as used by variable step size LMS filters [63]. We will also investigate other symmetrical activation functions suitable for signal processing which are less computationally expensive, yield faster convergence and are robust against vanishing gradients. Generally, the DNF is also applicable to other domains such as noise cancelling headphones and will be addressed in the future.