perception aware low power audio processing techniques for portable devices

... DVS Techniques .21 1.3.3 Main Challenges of the Existing Techniques for Low Power Audio Applications 23 1.4 Our Methodology of Low Power Audio Techniques for Portable Devices ... decoded audio quality 1.4 Our Methodology of Low Power Audio Techniques for Portable Devices The issues listed in section 1.3.3 represent conflicting requirements on low...

Ngày tải lên: 11/09/2015, 09:09

... in Signal Processing dependently recognized As a result, different sets of disturbances can be classified with a good performance The fourth paper is “Wavelet transform for processing power quality ... and benefit to both signal processing and the power engineering communities Further, it will serve asa valuable resource to those starting to work on signal processing for...

Ngày tải lên: 22/06/2014, 19:20

... Wunder et al.: Precoding and Transmitter-Side processing techniques for multiuser MIMO OFDM systems with special emphasis on the PAPR problem EURASIP Journal on Advances in Signal Processing 2011 ... combined with basis selection algorithm for PAPR reduction Similarly, in the multiuser MIMO OFDM uplink with DFT pre-coding, the joint proble...

Ngày tải lên: 20/06/2014, 22:20

... be capable to preserve all of the data so that technicians can access and refer to the old data when needed Apparently a database technique can provide the function of data accessing and storage, ... voltage These parameters together with resistivity and Gamma ray data are encoded and transformed, according to a predetermined form, into a data string Encoding method Data enc...

Ngày tải lên: 21/06/2014, 00:20

... general form of OFDM signal format, called generalized multicarrier (GMC) [5–7], is formed by performing a matrix transformation on the vector a of M data symbols before applying (1): n = 0, 1, ... PAPR reduction techniques for reducing the required power backoff For small values of p the out-of-band radiation has smaller components at higher frequencies and most of the out-of-ba...

Ngày tải lên: 22/06/2014, 19:20

... issue signal processing techniques that attempt to exploit long CPIs to improve the detection performance of very slowmoving targets Section presents performance results of the techniques using ... adaptive signal processing algorithms that exploit long CPIs to improve the detection performance of very slow -moving targets The goal is to evaluate the utility of long CPIs f...

Ngày tải lên: 22/06/2014, 23:20

... selection for genomic and proteomic data analysis Sun Kim is an Associate Director of Bioinformatics Program, an Assistant Professor in School of Informatics, an Associated faculty at the Center for ... and Computer Vision conference for 22 years He has also chaired and organized the Optical Pattern Recognition and Hybrid Image and Signal Processing SPIE conferences for 13 years H...

Ngày tải lên: 22/06/2014, 23:20

... for Output Network and Power 133 Appendix B Sub-Functions 133    iv    SUMMARY This thesis presents the design of a low- power 2.4-GHz BPSK/OOK transceiver for shortdistance wireless ... dBm output power 15    The absolute power consumptions for sensor RX should be below mW which is comparable to the transceivers for low- power sensors as reported in [17, 21, 24,...

Ngày tải lên: 09/09/2015, 18:49

... detection techniques for multipleinput multiple- output systems As received signals of multiple- input multiple- output systems may contain much more severe interferences compared to single -input singleoutput ... REDUCED- COMPLEXITY SIGNAL PROCESSING TECHNIQUES FOR MULTIPLE- INPUT MULTIPLE- OUTPUT STORAGE AND WIRELESS COMMUNICATION SYSTMES LI HUANG...

Ngày tải lên: 14/09/2015, 14:12

... DESIGN AND IMPLEMENTATION OF ULTRA- LOW- POWER SENSOR INTERFACE CIRCUITS FOR ECG ACQUISITION XU XIAOYUAN (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... is about the design and implementation of ultra- low- power biomedical sensor interface circuits that are suitable for telemetric medical applications and...

Ngày tải lên: 16/10/2015, 11:57

... these fuel cells are unique from the other commercially viable types of fuel cells, like the Solid Oxide Fuel Cell (SOFC), the Phosphoric Acid Fuel Cell (PAFC), and the Molten Carbonate Fuel Cell ... source of fuel for the cells and the corresponding infrastructure must be developed Since fuel cells are merely energy conversion devices, they are only as clean and...

Ngày tải lên: 14/11/2014, 13:12

... technologies for characterizing dynamic MEMS and their applications in MEMS testing Doppler vibrometry (LDV) have been demonstrated for measuring the motion of a variety of microstructures including micromechanical ... in the area of long- term device testing Device long- term performance is an indication of reliability and ultimately quality, and is expected t...

Ngày tải lên: 11/09/2015, 09:58

... 55 55 59 59 60 60 62 65 67 71 73 80 97 98 10 0 10 6 10 9 10 9 11 3 11 3 11 4 11 4 11 5 11 6 11 8 11 9 12 0 12 2 12 4 12 5 12 5 12 5 12 7 12 9 13 1 13 3 Contents 4.8 Dualband Examples 4.8 .1 An Inverted-F Antenna with ... Antenna for Healthcare Sensors 6.4 .1 Application Requirements 6.4.2 Theoretical Antenna Considerations vii 13 4 13 5 13 8 14 2 14 8 14 8 14...

Ngày tải lên: 07/08/2014, 21:20

... 15.8074 –10 –5 21 0 Frequency Main lobe magnitude Main lobe direction Angular width (3 dB) Side lobe level = 1800 = 3.5 dB = 324 .0 deg = 53 .2 deg = –5.3 dB 0 [dB] 330 24 0 300 27 0 Figure 2. 12 Simulations ... feedpoint and the 2. 5 Efficiency and Extended Bandwidth 25 25 0.0 -3dB BW -6dB BW Relative ba ndwidth 20 0.0 150.0 100.0 50.0 0.0 70 75 80 85 90 95 100 105 110 115 120 PCB...

Ngày tải lên: 07/08/2014, 21:20