what is ment by rhetorical norms
There is no difference between the two.
english
a communication device
an antenna is used for transmitting and receiving signals with the use of electro magnetic waves. without the antenna there will not be any communication between one end and the other end. so, antennas play an important role using the EM waves. these em waves take energy from conducting electrons and transmits the information to the other end.
a communication device
the gooch
Cable communication involves transmitting data through cables that are made of metal, typically copper or fiber optics. Signals are converted into electronic pulses, sent over the cables, and then decoded at the receiving end. This allows for reliable and high-speed communication between devices.
Pointing losses can be calculated by determining the gain reduction due to misalignment between the transmitting and receiving antennas. This is typically done using the formula: ( L_p = 10 \log_{10} \left( \frac{A_r}{A_t} \right) ), where ( A_r ) is the effective area of the receiving antenna and ( A_t ) is the effective area of the transmitting antenna. Additionally, the angular misalignment in degrees can be converted to a loss in dB using the antenna's gain pattern. By assessing the angle of misalignment and the corresponding gain figures, you can quantify the overall pointing losses.
The relationship between antenna length and frequency is that shorter antennas are more effective at receiving and transmitting higher frequency signals, while longer antennas are better for lower frequency signals. This is because the length of the antenna needs to be proportional to the wavelength of the signal for optimal reception and transmission.
Synapse
synaptic cleft
A spire is an architectural feature on a building. It is a tall, tapering peak on a roof. An antenna is a functional piece of equipment for receiving or transmitting electromagnetic signals (e.g. radio, TV, cellular telephone). Some types are tall but the shape depends almost entirely on the signal to be sent or received.