Posts

Albert Einstein and the GPS

. I'm a big fan of Albert Einstein. Many physicists would agree that his theories are the purest expression of genius in the history of humanity with all the ensuing applications. In this case, we talk about the Global ...

Bonus TV for transition to T2

. . What is the Switch-off? After the transition from analogue to digital terrestrial (2008-2012), even changes the terrestrial television transmission mode. Because of the bandwidth assignment 700 Mhz telephony (5G needs ...

non-invasive test for injectors

. Now all engines have injectors for fuel, they are managed electronically by a control unit, which decides the injection time or the time for which the injector must remain open and therefore the amount ...

ESR METER

.   COSA SIGNIFICA ESR Per ESR si intende la resistenza equivalente serie dei componenti, in practice it is mainly addressed to electrolytic. It is mainly due to the parasitic inductance and is all the more important ...

Phase Modulation

Modulazione di fase La modulazione di fase è simile alla modulazione di frequenza ed è una tecnica importante nei sistemi di comunicazione digitale. We've all heard the radio AM and FM radio. But the phase modulation ...

digital modulation

Modulazione digitale Anche se basati sugli stessi concetti, the waveforms of the digital modulation seem very different from their analog counterparts. Although it is not extinct, analog modulation is simply incompatible ...

What modulation AM?

What modulation AM? The general meaning of the verb "modulate" is "change, regular, to vary" and that captures the essence of modulation even in the specialized field of wireless communication. Modular signal is simply ...

What is FM modulation?

What is FM modulation? Although less intuitive of amplitude modulation, frequency modulation is still a fairly simple method for transmitting wireless data. We are all at least vaguely familiar with the modulation ...

The Alexanderson alternator

In light of our current knowledge our, the first radio transmitters of history, constituted by an induction coil connected between an antenna cable and an earthed socket, manufactured by Marconi between the 1895 and the 1900, They were extremely ...

New standard for Underwater Communications

Nuovo protocollo standard della NATO per le comunicazioni subacquee JANUS potrebbe veramente rivoluzionare l'industria subacquea con dispositivi in grado di comunicare e condividere informazioni che non sono mai una cosa negativa (recalls how ...