Pirates are evil? The Marines are righteous? These terms have always changed throughout the course of history! Kids who have never seen peace and kids who have never seen war have different values! Those who stand at the top determine what's wrong and what's right! This very place is neutral ground! Justice will prevail, you say? But of course it will! Whoever wins this war becomes justice! - Donquixote Doflamingo • Pirates are evil? The Marines are righteous? These terms have always changed throughout the course of history! Kids who have never seen peace and kids who have never seen war have different values! Those who stand at the top determine what's wrong

Notes

Academic and other technical notes

❯ NAS

Single-Sideband Modulation

1 min read

SSB Modulation attempts to be power efficient and bandwidth efficient, but it’s limited in use cases.

It was originally designed for voice signals (telephones), this is because they have a unique structure with a small energy gap around 0 frequency.

Original Message

Transmitter ()

SSB begins similar to DSB-SC by multiplying the message by to get: Similar to DSB-SC, there’s no carrier signal, so that power isn’t wasted. (b) gets multiplied by (c) to obtain (d). Notice that the bandwidth of the propagated signal is equivalent to that of the original message, so there’s no wasted bandwidth

Receiver

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