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Search results for: noise
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Year: 2010, Volume: 10, Issue: 4
... in the denoising of images affected by additive white Gaussian noise WT domain. Basically, there are two categories ... bishrink filter [5]. where s represents the noiseless input image and n the noise. The structure ... composed by two sequences of complex The model of the noise-free image in [5] is: 3 2 ...
Year: 2010, Volume: 10, Issue: 4
... . €, the above reduces to Panter-Dite formula III. DPCM WITH GAIN-ADAPTIVE QUANTIZER AND 9 2 SIMPLE PREDICTOR D€ [13]. Signal to quantization noise ratio can be 2N 2 A simple but useful DPCM scheme with a first order determined as: predictor will be used. This coder has a predictor adaptation ...
Year: 2010, Volume: 10, Issue: 4
... B- Implementation of this technique is simple however it is FSK: susceptible to noise that could corrupt messages. In this technique emitter will be turn-on for data ... ) communicate. This ensures that each message packet errors are reduced by increasing the signal-to-noise ratio. Another 1) Basic Messages technique to prevent conflict while communicating between ...
Year: 2010, Volume: 10, Issue: 4
... ; (b) each by boundary points (maximum 20 boundary points): edge has associated a list of corresponding radii (the approximately 400 polygons (without noise; corresponding radii are obtained as in the DH method). ‚ the database B with synthetic shapes of fishes used by This representation is invariant to translation ...
Year: 2010, Volume: 10, Issue: 4
... n presented. Based on these dictionaries, the ECG can be represents the cumulated effect of the quantification and of accurately represented by sparse vectors with entries the inherent noise of the measurement. The computation of associated with the most significant atoms and reconstructed the coefficients for the reconstruction of the signal x is using appropriate linear ...
Year: 2010, Volume: 10, Issue: 4
... , be the most realistic in microcellular radio communications with the strongest signal assuming equal noise power among systems. The performance analysis includes the channel correlation effect since in ... In general, branch with investigation is important since such environment seems to the highest signal-to-noise ratio (SNR) (or equivalently, be the most realistic in microcellular ...
Year: 2010, Volume: 10, Issue: 4
... Robots Dynamic Control Systems on an Uneven Terrain", device). Advances in Electrical and Computer Engineering, vol.10, no.2, pp. The sources of internal noise encountered at the PO 145-152, 2010. [2] M. Y. Usher, Sensors and Transducers, Mac-Millan Published, sensor are located in the ...
Year: 2010, Volume: 10, Issue: 3
... . 7 exemplifies the reception of the ultrasound signal CTOF Distance Measurement 1100 30 over the second channel of the Sonar receiver module. The signal is fairly clear from noise and, therefore, the threshold- 1000 28 based technique has been applied to determine the signal arrival delay at reception. 900 26 800 24 Measured Distance ...
Year: 2010, Volume: 10, Issue: 2
... target of designing this controller is to adaptive PID controllers is evaluated by adding of noise to determine three parameters of the PID controller, i.e. parameters of the ... control a typical RBF (Radial Basis Function) and a supervisory control WECS in noiseless and noisy condition and results are compared with an adaptive Radial Basis Function ( ...
Year: 2010, Volume: 10, Issue: 2
... signal processing modules, based on Blackfin The other core module is based on the BF561 processor. DSPs The main difference between the processors is that BF561 ‚ own noise:< 0.1% contains two processing cores and does not include an ‚ external connections: 8 microphone inputs, Ethernet interface. The SDRAM memory on the ...
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