public wireless communication

One desirable feature of radio transmission is that it should be carried without wires (i.e.,) radiated into space. At audio frequencies, radiation is not practicable because the efficiency of radiation is poor. However, efficient radiation of electrical energy is possible at high frequencies (>..

Basic Principles of Wireless Radio Communication - Let us now discuss the basic principles of wireless radio communications. We shall mainly concentrate on the principle of amplitude modulation and demodulation. The simplest scheme of wireless ..

An awareness should be created amongst the masses using the various media of communication like the TV, radio, newspapers and the magazine..

Public Awareness Programmes - In India, birds and animals are worshipped from time immemorial. They are considered to be cultural assets and have a profound effect on Indian art, sculpture, literature and religion. It is imperative that we protect wildlife. An awareness should be created ..

In India, birds and animals are worshipped from time immemorial. They are considered to be cultural assets and have a profound effect on Indian art, sculpture, literature and religion. It is imperative that we protect wildlife. An awareness should be created amongst the masses using the various med..

. Milch cows to be immunized against the disease. Spitting in public places to be banned. ATT(Anititubercular Therapy)to be administered. Cholera Caused by bacterium vibrio cholera e, transmitted by flies, is also water borne Vomiting, watery motions, dehydration . If neglected, can be fa..

Food that is stale or has got rancid should not be consumed.Public should be educated about community hygi..

: Addition of iodine to salt to prevent goitre). Prevention of breeding of harmful insects. Control of pollution through the Central and State Pollution Control Boards. Administration of vaccinations against communicable diseases like tuberculosis, diphtheria, whooping cough, tetanus, mea..

The 'modem' is a contraction of the term modulator-demodulator. It is a conversion that facilitates the transmission and reception of the data over the public switched telephone network (PSTN). The data of interest may be digital signals generated by computers or service providers. In suc..

Modems - The 'modem' is a contraction of the term modulator-demodulator. It is a conversion that facilitates the transmission and reception of the data over the public switched telephone network (PSTN). The data of interest may be digital signals generated by computers or service provider..