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21  Articles
1 of 3 pages  |  10  records  |  more records»
In this paper, a decision tree algorithm based on time-domain digital technique is developed for the identification and classification of diverse radar intra-pulse modulated signals for the electronic intelligence system in real-time. This includes linear... see more

The remarkable technology for seamless integration of wireless and optical networks is radio frequency signals over Free Space Optics (FSO). This research study and simulation examine the design and evaluation performance of Radio Frequency over FSO (RF-F... see more

A new modem circuit technique is proposed for multilevel signal transmission to utilisethe transmission bandwidth efficiently in bandwidth-constrained voice-band channels. Usingthis technique, a 16-level quadrature amplitude modulated (16-QAM ) signal is ... see more

Asymmetric Digital Subscriber Line (ADSL) system is an access technology that enables communication of data, voice and video simultaneously on copper access media. Data communication can not be avoided from the noise, not least ADSL systems are experienci... see more
ADSL |  AWGN |  BER |  QPSK |  SNR
Asymmetric Digital Subscriber Line (ADSL) system is an access technology that enables communication of data, voice and video simultaneously on copper access media. Data communication can not be avoided from the noise, not least ADSL systems are experienci... see more
ADSL |  AWGN |  BER |  QPSK |  SNR
This report discusses the development and engineering of a suitable quadrupolar probe for simultaneous and noninvasive surveys of electrical resistivity and dielectric permittivity. The quadrupolar probe can perform measurements on a subsurface with inacc... see more

We present a simple yet effective method, without the need for any additional recording of intensity maps or tremendous iterative computations, to recover reference-wave intensity resulting from the complex hologram acquired by quadrature phase-shifting h... see more

The hand vein pattern is a biometric feature in which the actual pattern is the shape of the vein network and its characteristics are the vein features. This paper investigates a new approach for dorsal hand vein pattern identification from grey level dor... see more

This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolutiona... see more

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