Antennas are the electronic devices that are used to transmit and receive radio signals. These are electrical conductors for radio waves. Heinrich hertz discovered antennas in 1888. He discovered the antennas to prove the existence of electromagnetic waves. They convert radio frequency electrical current to electromagnetic waves and vice versa. The...
The function of antennas at base stations of cellular radio systems has been proven to be a successful way to increase the performance and the channel ability of personal communication systems. In compare to those technically highly developed base station antennas, the exterior and the practical principle of car antennas with omni directional patte...
Antennas are the electronic devices used for transmission and reception of electromagnetic or radio waves. Basically an antenna is an arrangement of aerial electrical conductors. They convert radio frequency electrical currents into electromagnetic waves and vice versa. Antennas have wide range of uses. They are used in the systems such as radio an...
Antennas are the electronic devices that are used for reception and transmission of radio waves. In other words it is an arrangement of aerial electronic conductors that are designed to receive and transmission of radio waves. Antennas convert radio frequency electric currents into electromagnetic waves. Antennas are used in all most all the electr...
Exercise is necessary in daily routine and has various good effects and no bad effects on the body and mind. It releases tension and makes a person more fit to do various other daily activities. It is a kind of a way out of the daily routine and stress and tensions. There are various kinds of exercises that one can take up according to their liking...
Scientific studies and researches have concluded that walking is probably the best exercise on land. Walking regularly can be helpful in building long term health and over all well being. Medical studies have claimed that walking for around 30 minutes in a day can effectively reduce the chances of acquiring cancer, heart diseases, stroke, diabetes ...
The triceps are actually a large three headed skeletal muscles that are found in the humans. The triceps run along in the back of each of the upper part of the arms. It is often seen that people who exercise their arms with weights often neglect the triceps group of the muscles in favor of the biceps that form the frontal portion of the triceps. In...
Tai chi is one of the many activities that can be done while watching TV. In Mandarin, Tai Chi or Tai Chi Chuan refers to “supreme fighting”. It is mainly a form of martial arts originated in China around the 16th century. During the 1970s, it was introduced in the United States, and has been growing in popularity ever since.
Stretching is a form of exercise that helps in warming up the body before the main course of exercise. The main objective of stretching is to ensure a gentle lengthening of the muscles of the body. Stretching is essential before or after any form of exercising. It also improves the elasticity and flexibility of the tissues. The activity of stretchi...
A stepper is an electrical machine exerciser. It is almost resembles to the treadmill or in fact it is a member of the tread mill family. Te only difference is that the steppers are more portable and smaller in size. They are mainly used for aerobic exercises at home. Steppers are a perfect way to work out the thighs and the leg and the lower parts...