Recent content by jiapei100
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Graduate HMM (Hidden Markov Matrix) Evaluation
Hi, all: about HMM Evaluation question: There are 3 methods to carry out HMM evaluation. 1) forward algorithm 2) backward algorithm 3) forward-backward algorithm Sometimes, forward algorithm and backward algorithm may not give out the same result. Can anybody (mathematician) help to...- jiapei100
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- Matrix
- Replies: 1
- Forum: Set Theory, Logic, Probability, Statistics
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Graduate Short Time Fourier Transform - invertible?
Sorry for my stupidity. Your word "multiply" hints me. ! This is a "element-wise" multiplication! Right? Yes, it should be. Thanks for your answering to clarify my doubts. Best Regards JIA Pei- jiapei100
- Post #3
- Forum: General Math
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Graduate Short Time Fourier Transform - invertible?
Short Time Fourier Transform -- invertible? On Wikipedia, http://en.wikipedia.org/wiki/Short-time_Fourier_transform" However, it's also said That is to say, Gabor is invertible, it's able to obtain the original signal, but modulated. original signal is obviously x(t), w(t-τ)...- jiapei100
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- Fourier Fourier transform Short Time Transform
- Replies: 3
- Forum: General Math