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High Peak

ABSTRACT : The use of OFDM causes a high peak to- average (power) ratio (PAR

ABSTRACT : The use of OFDM causes a high peak to- average (power) ratio (PAR

... OFDM is modulation method known for its capability to mitigate multipath. In OFDM the high speed data stream is divided into Nc narrowband data streams, Nc corresponding to the subcarriers or sub channels i.e. one ...

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Using Discrete Cosine Transform 2 to achieve High Peak Signal to Noise Ratio in Image Processing

Using Discrete Cosine Transform 2 to achieve High Peak Signal to Noise Ratio in Image Processing

... DCT2 method produced good image quality and high PSNR values. And also the memory size is reduced while comparing an input image. The input size is 39000 bytes and the output image will be 23000 bytes. So DCT2 is ...

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Tissue Distribution Study of Apocynin By RP-HPLC With UV Detector

Tissue Distribution Study of Apocynin By RP-HPLC With UV Detector

... to high deposition in liver and kidney, the major organs for metabolism and excretion, apocynin showed a somewhat high peak concentration and distribution in lung tissue within 15min after ...

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PERFORMANCE ANALYSIS OF PAPR REDUCTION IN OFDM USING SLM & PTS TECHNIQUE

PERFORMANCE ANALYSIS OF PAPR REDUCTION IN OFDM USING SLM & PTS TECHNIQUE

... In this paper, a survey on PAP R reduction techniques has been discussed. Each technique of PAPR reduction in OFDM bas ed system are different from each other and im pact different constraints e.g. bandwidth ex ansion, ...

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EXPERIMENTAL INVESTIGATION OF DELTA WING FLOW BEHAVIOUR UNDER PITCHING MOTION

EXPERIMENTAL INVESTIGATION OF DELTA WING FLOW BEHAVIOUR UNDER PITCHING MOTION

... with high peak pressure occurrence near to the leading edge, and the peak pressure close to the wing root chord was comparatively ...the peak values at different angle of attack were found to ...

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REDUCTION OF PAPR IN OFDM SYSTEM USING REPEATED CLIPPING AND FILTERING TECHNIQUE WITH DIFFERENT MODULATION SCHEMES

REDUCTION OF PAPR IN OFDM SYSTEM USING REPEATED CLIPPING AND FILTERING TECHNIQUE WITH DIFFERENT MODULATION SCHEMES

... High Peak-to-Average Power Ratio has been recognized as one of the major practical problem involving OFDM ...modulation. High PAPR [10] results from the nature of the modulation itself where multiple ...

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PAPR Reduction in OFDM Using Signal Scrambling Techniques

PAPR Reduction in OFDM Using Signal Scrambling Techniques

... new high data rate wireless applications, demand of the spectrum is rapidly ...its high spectral ...from high peak to average power ratio (PAPR) as it has a huge number of subcarriers which ...

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SC-FDMA System with Enhanced Channel Capacity using SVD and Eigen vectors

SC-FDMA System with Enhanced Channel Capacity using SVD and Eigen vectors

... with high-rate into a sum of minor data rate streams that are transported in parallel, OFDM determines the difficulty of ISI in broad band transmissions ...disadvantages: High peak-to-average power ...

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The Risk of Residential Peak Electricity Demand: A Comparison of Five European Countries

The Risk of Residential Peak Electricity Demand: A Comparison of Five European Countries

... aggregate peak demand in terms of baseline risk, morning peak risk, evening peak risk and non-peak risk in the five ...on peak risks. For instance, in Bulgaria the high ...

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Low complexity algorithm for PAPR reduction in OFDM system adopting SUI channel model

Low complexity algorithm for PAPR reduction in OFDM system adopting SUI channel model

... drawbacks, high peak to average power ratio is main drawback which occurs due to the insufficiency power distribution by high power amplifier which results in in-band and out- band ...

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Papr Reduction in of dm Using Signal Scrambling Techniques

Papr Reduction in of dm Using Signal Scrambling Techniques

... new high data rate wireless applications, demand of the spectrum is rapidly ...its high spectral ...from high peak to average power ratio (PAPR) as it has a huge number of subcarriers which ...

7

Survey on Techniques for PAPR Reduction and Sidelobe Suppression OFDM based Cognitive Radio

Survey on Techniques for PAPR Reduction and Sidelobe Suppression OFDM based Cognitive Radio

... Future extension to this can be combine suppresion of sidelobe with PAPR reduction as spectral sidelobes can regrow after the high peak power signal passes through power amplifier. A technique that can deal ...

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Analysis of OFDM System by Comparing Different PAPR Reduction Schemes

Analysis of OFDM System by Comparing Different PAPR Reduction Schemes

... for high speed, high spectral efficiency and robustness to multipath fading channel in communication ...to high Peak to Average Power Ratio (PAPR) and Interchannel interference ...have ...

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Effect of Rainfall on Traffic Stream Characteristics during Peak and Non-Peak Periods

Effect of Rainfall on Traffic Stream Characteristics during Peak and Non-Peak Periods

... Skudai directio xhibited a sim speed between tion as well a avy rain event pm-7.00pm i ed between t e no-rain state d, the reduc 75% for light r heavy rain. n-peak periods een vehicles ak period hea vrability ...

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CO and H2O vibrational emission toward Orion Peak 1 and Peak 2

CO and H2O vibrational emission toward Orion Peak 1 and Peak 2

... on the opacity). Since still large source-averaged column densities are required to explain the band shape and the P -R-asymmetry, it follows that significant beam-filling would affect the observed emission. Therefore ...

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Bioelectrical activity of the pelvic floor muscles during synchronous whole-body vibration – a randomized controlled study

Bioelectrical activity of the pelvic floor muscles during synchronous whole-body vibration – a randomized controlled study

... Literature reports fail to provide consistent guidelines regarding whole-body vibration parameters. Torvinen et al. [28] emphasized the significance of appropriate frequency and amplitude selection. Using a variety of ...

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Seasonal Variation of Urban Heat Island and  Its Impact on Air Quality Using SAFAR Observations at Delhi, India

Seasonal Variation of Urban Heat Island and Its Impact on Air Quality Using SAFAR Observations at Delhi, India

... as high temperature, low wind speed, low relative-humidity and cloudless, which are important for UHI development, eas- ily triggers air pollution episodes [4] ...

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Low-Cost PEM Fuel Cell Diagnosis Based on Power Converter Ripple With Hysteresis Control

Low-Cost PEM Fuel Cell Diagnosis Based on Power Converter Ripple With Hysteresis Control

... the high-frequency FC impedance (above 1 kHz) while the latter represents the main contribution to the low-frequency impedance (below 1 Hz), EIS is commonly employed in laboratory experiments to detect membrane ...

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Characteristics of few-mode fibre and its application in simultaneous strain and temperature measurement

Characteristics of few-mode fibre and its application in simultaneous strain and temperature measurement

... the peak wavelengths become close to the ...(Left Peak 1, Right Peak 1) closest to the CWL on each side, shift linearly in opposite directions with the maximum strain/temperature ...relatively ...

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ANALYSIS AND COMPARISON OF PEAK TO PEAK CURRENT RIPPLE IN TWO LEVEL AND MULTILEVEL PWM INVERTER

ANALYSIS AND COMPARISON OF PEAK TO PEAK CURRENT RIPPLE IN TWO LEVEL AND MULTILEVEL PWM INVERTER

... In order to estimate the current ripple amplitude in the whole fundamental period, the maximum of the current ripple can be evaluated in the phase angle range [0, 90°]. For this purpose, two relevant angles can be ...

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