average peak signal to noise ratio
Orthogonal Frequency Division Multiplex transmission of H 263 encoded video over wireless ATM networks
... Figure 6 shows the video quality in terms of the average Peak-Signal-to-Noise-Ratio PSNR versus the channel SNR for QCIF resolution video transmitted over the Median wireless LAN.. The F[r] ...
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Peak-to-Average Power Ratio Reduction Techniques in OFDM System
... the noise in the channels, the side information and the OFDM signals are both likely to be distorted, which results in the bad BER ...the signal noise ratio is larger than 12, the BER ...
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ABSTRACT : The use of OFDM causes a high peak to- average (power) ratio (PAR
... wideband signal, affected by frequency selective fading into N narrowband flat fading signals thus the equalization can be performed in the frequency domain by a scalar division carrier-wise with the subcarrier ...
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Using Discrete Cosine Transform 2 to achieve High Peak Signal to Noise Ratio in Image Processing
... partitioning, average difference, max difference, normalized correlation, mean absolute error and normalized absolute ...compression ratio and the decompression process time is ...
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Reduction of Peak to Average Power Ratio of OFDM Signals by Using a Weighted OFDM Signal Scheme
... a signal-to-noise ratio ...same signal simultaneously at the same frequency, as the signals from multiple distant transmitters may be combined constructively, rather than interfering as would ...
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FEATURE SELECTION USING MODIFIED ANT COLONY OPTIMIZATION APPROACH (FS MACO) BASED FIVE LAYERED ARTIFICIAL NEURAL NETWORK FOR CROSS DOMAIN OPINION MINING
... are: Peak Signal Noise Ratio (PSNR), Mean Squared Error (MSE), Number of Pixel Change Rate Test (NPCR) and Unified Average Changing Intensity Test ...
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MULTIBLOCK TONE RESERVATION METHOD TO REDUCE PEAK TO AVERAGE POWER RATIO OF OFDM SIGNAL
... higher peak to average power ratio similar to ...the peak to average power ratio in previous methods such as clipping, active constellation extension (ACE), partial transmit ...
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Reduction of Peak to Average Power Ratio Using Weighted OFDM
... high peak values in the time domain since many subcarrier components are added via an inverse fast Fourier transformation (IFFT) ...high peak-to-average power ratio (PAPR) when compared to ...
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Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with pulse coding
... carrier signal are modulated, the intensity of the optical carrier is modulated in optical ...the signal at the receiver of the code pulse LIDAR, both the numbers and the positions of the pulses and the ...
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Reducing Peak to Average Power Ratio of a Turbo Coded OFDM
... other two. Interleaving is conducted in order to decorre- late the three inputs of convolutional encoders for the purpose of accomplishing the best possible system per- formance. Moreover one of the encoders provides in ...
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Codes With Low Peak- To- Average Power Ratio For OFDM Systems
... Guassian noise, the described techniques performs 3 dB worse than optimum maximum likelihood decoding, which can be argued as follows: the performance of maximum likelihood decoding is determined by the minimum ...
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Peak to Average Power Ratio Reduction Techniques for OFDM Signals
... In PTS, the original input data block is divided into multiple disjoint sub-blocks. All subcarriers belonging to each sub- block are scaled by a phase factor. All these phase factors are statistically independent. ...
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Image Compression using Orthogonal Wavelets Viewed from Peak Signal to Noise Ratio and Computation Time
... the signal as time and frequency are viewed ...a signal are ...the signal improves in the time domain, by zooming on different sections, the frequency resolution gets ...the signal to be ...
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Microphone handling noise : measurements of perceptual threshold and effects on audio quality
... handling noise on perceived audio quality. Handling noise is a problem affecting both amateurs using their smartphones and cameras, as well as professionals using separate microphones and digital ...The ...
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Application of Capital Asset Pricing Model in Indian Stock Market
... the event that the neighborhood heights are not fulfilled, the second phase of the calculation is completed keeping in mind the end goal to investigate further likenesses from the complete picture. Kharate and Patil [11] ...
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Clutter mitigation, multiple peaks, and high-order spectral moments in 35 GHz vertically pointing radar velocity spectra
... depolarization ratio (LDR) esti- mates to discriminate spherical (likely liquid) particles from non-spherical particles – we can confidentially state that faster falling particles are larger than the cloud ...
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Peak-To-Average Power Ratio (PAPR) Reduction In OFDM Systems Using Dummy Signal Hybrid SLM-PTS Technique
... From the simulation results it could be conclude that, CH scheme provides better PAPR reduction performance with the number of 'U' increases at the cost of computational complexity with the increase of the number of ...
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3D Wavelet Transform with SPIHT algorithm for Image Compression
... compression ratio, mean-squared error, and Peak signal to noise ratio, correlation coefficient and multi-scale structural similarity ...
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A Comparative Study For Color Systems Used In The DCT-DWT Watermarking Algorithm
... Visualization comparison results without attacks are shown in figure 7. Figure 8 shows the rotate attacks (30°, 45° and 60°). Gaussian noise attacks are shown in figure 9 with variance parameters (0.01, 0.05 and ...
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An Efficient Method to Get Improved Peak Signal to Noise Ratio (PSNR), Using Support Vector Machine
... Where MAX and MIN are the maximum and minimum image values respectively. For 8 bit images, MIN = 0 and MAX = 255. The idea is that with probability 1- α the pixels are unaltered; with probability α the pixels are changed ...
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