Ditemukan 14 dokumen yang sesuai dengan query
Poulariks, Alexander D.,
Boston: PWS-Kent Publishing, 1988
621.381 04 POU e
Buku Teks Universitas Indonesia Library
Balmer, Leslie
London : Prentice-Hall, 1997
003 BAL s
Buku Teks Universitas Indonesia Library
Gabel, Robert A.
Jakarta: Erlangga, 1988
621.381 042 GAB st
Buku Teks Universitas Indonesia Library
Muhammad Achirul Nanda
Abstrak :
Various methods for termite detection have been developed, one of them is purely based on the acoustic signal. However, that method still has a weakness, wherein it is difficult to separate the signal generated by the termite or the noise from the environment. The combination of the feature extraction at the acoustic signal and the classification model is expected to overcome the weakness. In this investigation, we inserted 220 subterranean termites Coptotermes curvignathus into pine wood for feeding activity and observed its acoustic signal. In addition, three acoustic features (i.e., short-term energy, entropy and zero moment power) were proposed to recognize the termite's acoustic signal. Subsequently, these features will be analyzed and combined with discriminant analysis to produce the robust classification model. According to the numerical results, the integrated discriminant analysis and the acoustic feature in our termite detection system has an 83.75% accuracy.
Depok: Faculty of Engineering, Universitas Indonesia, 2018
UI-IJTECH 9:4 (2018)
Artikel Jurnal Universitas Indonesia Library
Widmer, Neal S.
Harlow, England: Pearson, 2018
621.381 WID d
Buku Teks Universitas Indonesia Library
Abstrak :
[This volume contains the lectures given in honor to Georg Färber as tribute to his contributions in the area of real-time and embedded systems. The chapters of many leading scientists cover a wide range of aspects, like robot or automotive vision systems or medical aspects., This volume contains the lectures given in honor to Georg Färber as tribute to his contributions in the area of real-time and embedded systems. The chapters of many leading scientists cover a wide range of aspects, like robot or automotive vision systems or medical aspects.]
Berlin: [Springer, ], 2012
e20395143
eBooks Universitas Indonesia Library
Borisagar, Komal R.
Abstrak :
This book provides various speech enhancement algorithms for digital hearing aids. It covers information on noise signals extracted from silences of speech signal. The description of the algorithm used for this purpose is also provided. Different types of adaptive filters such as Least Mean Squares (LMS), Normalized LMS (NLMS) and Recursive Lease Squares (RLS) are described for noise reduction in the speech signals. Different types of noises are taken to generate noisy speech signals, and therefore information on various noises signals is provided. The comparative performance of various adaptive filters for noise reduction in speech signals is also described. In addition, the book provides a speech enhancement technique using adaptive filtering and necessary frequency strength enhancement using wavelet transform as per the requirement of audiogram for digital hearing aids.
- Presents speech enhancement techniques for improving performance of digital hearing aids;
- Covers various types of adaptive filters and their advantages and limitations;
- Provides a hybrid speech enhancement technique using wavelet transform and adaptive filters.
Switzerland: Springer Nature, 2019
e20509737
eBooks Universitas Indonesia Library
Abstrak :
The aim of this paper in to investigate the performance of welch based de-noising technique for a set of chirp signals corrupted by gaussian noises....
Artikel Jurnal Universitas Indonesia Library
Mohammad Hamsal
Abstrak :
ABSTRAK
To be a world-class industry is every nation's dream. However; to realize this aspiration an industry must transform itself to be more powerful that contributes significantly to the economic growth and nation's prosperity. As a strategic industry in Indonesia steel industry it is believed that to achieve world-class standards it should be ready to compete in the regional and global markets. Then, followed by scenario planning development how this industry can adaptively develop these core competences along the way to the journey to the world-class level. At the end, early warning signals should be anticipated by the industry authorities to effectively implement the developed scenarios.
Jakarta: The Ary Suta Center, 2019
330 ASCSM 46 (2019)
Artikel Jurnal Universitas Indonesia Library
Singh, Dhananjay
Abstrak :
This book highlights new methods, algorithms and software for the digital processing and recovery of signals. In addition, it describes a new method for modeling one dimensional and multidimensional signals as successions of local polynomial splines and their spectral characteristics. It provides examples of how the proposed methods can be applied in specific cases, together with signal processing software examples in the MATLAB environment, and models of special processes in the Simulink environment. The books goal is to make it easier for beginners to understand the subject matter; it is intended for engineers, undergraduate and graduate students engaged in research or the evaluation and design of hardware and software for the digital processing and recovery of signals.
Singapore: Springer Nature, 2019
e20509801
eBooks Universitas Indonesia Library