“Difference in depth of modulation” (DDM) is the relative difference between the two AM carriers of 90 Hz and 150 Hz. By demodulating the received glide slope signal and calculating the difference in depth of modulation (DDM) between the two tones, the ILS-GS provides the pilot with vert...
Modulation is the process of transmission of information such as images or videos on an electrical signal. Demodulation is defined as the process of extracting this information. Know what is modulation in detail.
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Amplitude modulation is used in a variety of applications. Even though it is not as widely used as it was in previous years in its basic format it can nevertheless still be found.Broadcast transmissions: AM is still widely used for broadcasting on the long, medium and short wave bands. It...
What is Over Modulation and Sidebands of AM? This can occur whenm>1 That is(Vm / Vc) > 1. ThereforeVm > Vc. In other words, the modulating signal is greater than the carrier signal. The AM signal will generate new signals called sidebands, at frequencies other than fc or fm. ...
Looking for a comprehensive article on FM modulation, here it is what you are looking for. The article will help especially the student to understand theory of FM modulation and related FM concepts in a much better way.
802.11ac is also called 5G Wi-Fi. MCS 802.11n defines eight MCS modes for each MIMO combination. There are four modulation modes: BPSK, QPSK, 16QAM, and 64QAM. MCS Index Modulation Mode Code Rate 802.11n 802.11ac 0 BPSK 1/2 Supported Supported 1 QPSK 1/2 Supported ...
Index Modulation (IM) is a technique that activate k out of n subcarriers of an OFDM symbol to transmit (n )j bits in symbol's indexes. Since both the symbol's p\n1\n= [log\n2\n(\nk\nn\n)] spectrum width and transmission air-time duration remain the same, OFDM-IM outperforms ...
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