There are various versions of IEEE802.11 WLAN in the market, and each applies different modulation technique and operates in different frequency bands. For example, the IEEE 802.11 b version provides data rates up to 11 Mb/s on the wireless medium, applying complementary code keying (CCK) and direct sequence spread spectrum (DSSS) as modulation tec

Human biometrics especially face become widely used for different aspects of life. The face is the first defining characteristic that we use to identify people. It is recalled when trying to remember what someone looks like. We depend on it, for recognition. We carry photo IDs that we show as proofs of identity. On the cards are pictures of our fac

Contemporary advancements in the field of wireless technology and sensor instrumentation have led to the proliferation of novel protocols which are specially designed for low-power networks such as wireless sensor networks. In the field of wireless sensor networks, researchers are currently interested in tackling the challenge of designing an optim

Ride comfort and vehicle handling of heavy off-road vehicles can be improved with the help of a controlled suspension system. This paper describes the impact of a semi-active and passive system on the driving behaviour of a heavy off-road 4 × 4 wheeled vehicle. The analysis is based on a military vehicle model used for simulating off-road vehicle

Likewise other professions nowadays, librarians must continuously equip themselves with recent and advance knowledge that focus in the library aspects. The importance of training program cannot be ignored as this program able to provide sufficient information for librarians in keeping pace with technologies and information science.CONTEMPORARY ISSU

In this work, it was shown by calculations that crudeoil’s extinction is definite, and oil air-pollution is increasing significantly as a function of time (civilization). Hence, a parabloidal reflector antenna is suggested here to extract solar energy as a concentrated solar-induced heat. This heat could be used for electrical power plants, photo

Ride comfort and vehicle handling of heavy off-road vehicles can be improved with the help of a controlled suspension system. This paper describes the impact of a semi-active and passive system on the driving behavior of a heavy off-road 4x4 wheeled vehicle. The analysis is based on a military vehicle model used for simulating off-road vehicle driv

The librarians deal with information explosion in various ways. The reference librarians face many challenges relating to information explosion. In order to cope with these challenges, they rely heavily upon training. The strategy they use to deal with information explosion is to focus on quality of information rather than quantity, this in referen

With the advanced of technologies and Internet, it is become easier to be connected and collaborate with each others. In order to meet various needs of researchers and academicians, librarians must understand the strengths and effectiveness of library collaboration. Librarians' collaboration can positively improve services, satisfaction, and lo

The relations and exchanges between the great civilizations would contribute not only to the growth of the peoples of the involved civilizations but also to enrichment of lives throughout the globe. The cultural relations between Iranians and the inhabitants of the Indian Sub-continent have produced exceptional results, especially in the realm of a