Target strength · Article 1
What an echo can tell a sonar, and three assumptions that make it computable
Who needs the echo figure and why, what an echo carries, and the three assumptions behind a computable target strength.
22 October 2026
Working note · SSR-Sim
SSR-Sim: what a submarine's sonar echo is made of
A generic 66 m double hull: 43 dB on the beam at 5 kHz, where the echo comes from, and what a coating buys.
19 October 2026Every note describes methods at an unclassified, headline level. Notes marked ↗ are hosted on suniltyagi.in, the founder's scholarly site.