Papers by Muhammad Adnan Khan
Asia Pacific Journal of Tourism Research, 2012
Economists are of the view that tourism leads to economic development just like human and physica... more Economists are of the view that tourism leads to economic development just like human and physical capital and exports. A few studies have discussed this issue empirically. The current study aims to estimate the long-run relationship between income from tourism and the economic growth of Pakistan by using the annual time series data of 1971–2008, and by employing the Johansen Juselius cointegration, autoregressive distributed lag model and rolling windows bounds testing approach to check the stability of the model. The results confirm the long-run relationship between income from tourism and economic growth and explain that income from tourism has led economic growth in Pakistan except in the years 2006, 2007, and 2008.
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In this paper, architecture for hardware implementation of 2-dimensional inverse discrete cosine ... more In this paper, architecture for hardware implementation of 2-dimensional inverse discrete cosine transform (2-D IDCT) is described. The architecture is based on a recursive algorithm, which implements the 2-D operation using a series of 1-D operations. Pipelining/interleaving technique is employed in our recursive computing scheme to overcome the clock rate limitation in recursive computation and to reduce the number of multipliers and clock cycles. More specifically, we are able to make the processing speed remain nearly invariant by using a higher clock rate, while the number of non-trivial multipliers is reduced by half. Furthermore, the cosine terms involved in the digital filter coefficients are pre-calculated and are implemented as fixed coefficient CSD multipliers. Although this reduces the flexibility in the architecture for supporting different block sizes, but this cost pays off due to the high gain in the computational efficiency of fixed coefficient CSD multipliers. Using architectural schemes like pipelining/interleaving, the computation of an 8×8 IDCT block is completed in just 209 clock cycles. This can be used with an external microcontroller for displaying JPEG images in cell phone displays, where stored images in JPEG format only need to be decoded for display.
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This paper presents the novel idea for opportunity detection (detecting unoccupied sub-carriers/s... more This paper presents the novel idea for opportunity detection (detecting unoccupied sub-carriers/sub-channels) in downlink (DL) orthogonal frequency division multiple access (OFDMA) systems using cognitive radio (CR) sensing techniques and sub-channel utilization history information. Assuming availability of information about the basic parameters of the primary system as well as time and frequency synchronization of CR user with primary system, three techniques have been proposed for detection of unoccupied sub-channels in DL OFDMA systems: 1) Detection Method- it identifies unoccupied sub-carriers/sub-channel in DL OFDMA systems by exploiting the CR sensing techniques (i.e. matched filter and energy detection). 2) Prediction Method- it forecasts the future sub-channel state (empty or occupied) by classifying sub-channel history into different traffic patterns using `Traffic Classification Algorithm'. 3) Hybrid of Detection and Prediction Method- it also utilizes `Traffic Classification Algorithm' to decide when to use detection and prediction methods in order to determine either sub-channel will remain empty or occupied in next time slot.
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Chinese Management Studies, 2011
... Shan, J., Jianhong, A. (2006), "Does financial development 'lead&am... more ... Shan, J., Jianhong, A. (2006), "Does financial development 'lead' economic growth? The case of China", Annals of Economics and Finance, Vol. 1 pp.231-50. ... Corresponding author. Qazi Muhammad Adnan Hye can be contacted at: adnan.economist@yahoo.com. ...
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International Journal of Injury Control and Safety Promotion, 2008
Suicide is now considered a major public health problem, especially in low income countries. A sy... more Suicide is now considered a major public health problem, especially in low income countries. A systematic review was conducted to identify risk factors and causes of deliberate self-harm and suicide in Pakistan - a Muslim, South Asian nation. In addition, the role of emergency department-based surveillance is explored. Four electronic databases (PubMed, CINAHL Plus, MDConsult, PakMediNet) were searched and 23 studies were reviewed. Risk factors for deliberate self-harm included young age (less than 35 years), being female, occupation (housewives), being married and low socio-economic status; while reported risk factors for suicide were young age (less than 35 years), male gender, being married and low socio-economic status. Medications were commonly used for deliberate self-harm while firearm, hanging and organophosphorus poisoning were more frequent means for suicide. The most common reported cause for both health outcomes was interpersonal conflict. There is accumulating evidence that deliberate self-harm and suicide have increased in recent years in Pakistan. There is a need for greater attention and in-depth studies to elaborate on causative mechanisms for these public health issues.
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... Muhammad Adnan Nasim, Adeel Akram Department of Computer Engineering, University of Engineeri... more ... Muhammad Adnan Nasim, Adeel Akram Department of Computer Engineering, University of Engineering and Technology, Taxila, Pakistan engr.adnannasim@gmail.com adeel.akram@ uettaxila.edu.pk ... on WWW, 2003, pp. 640– 651. [8] S. Dehnie and N. Memon, “Detection of ...
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Journal of Chinese Economic and Foreign Trade Studies, 2012
Purpose – The purpose of this paper is to investigate the export-led growth, growth-led export, i... more Purpose – The purpose of this paper is to investigate the export-led growth, growth-led export, import-led growth, growth-led import and foreign deficit sustainability hypothesis in the case of China, using annual time series data from 1978-2009. Design/methodology/approach – For estimation evidence this study employs the Phillips Perron unit root tests to examine the level of integration and the autoregressive distributed
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A study was conducted to estimate correlation coefficient in four Rosa species ie Rosa centifolia... more A study was conducted to estimate correlation coefficient in four Rosa species ie Rosa centifolia, Rosa damascena, Rosa chinensis and Rosa bourboniana under Faisalabad climatic condition, Pakistan. Correlation between plant height and other morphological characters ...
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Advanced Engineering Informatics, 2005
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Abstract PSA stands for Pixel Scrambling Algorithm. This algorithm was published early this yea... more Abstract PSA stands for Pixel Scrambling Algorithm. This algorithm was published early this year [Potdar, Chang 2004]. This paper shows a practical application of PSA and how we can hide scanned document within an image. The scanned document could be either hand ...
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Papers by Muhammad Adnan Khan