2007 search results - page 30 / 402 » SPECTRUM |
INTERSPEECH
2010
13 years 3 months ago
2010
Usually the mel-frequency cepstral coefficients (MFCCs) are derived via Hamming windowed DFT spectrum. In this paper, we advocate to use a so-called multitaper method instead. Mul...
ICASSP
2011
IEEE
13 years 6 days ago
2011
IEEE
For the task of detecting shouted speech in a noisy environment, this paper introduces a system based on mel frequency cepstral coefficient (MFCC) feature extraction, unsupervise...
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
MMSEC
2004
ACM
14 years 1 months ago
2004
ACM
We analyze the fingerprinting method in [1] and suggest attacks that are better than the ones presented therein. To do this, we observe and use some extra information available i...
MOBICOM
2010
ACM
13 years 8 months ago
2010
ACM
Information on site-specific spectrum characteristics is essential to evaluate and improve the performance of wireless networks. However, it is usually very costly to obtain accur...