Bear down on and Home in

Bear down on verb - To push steadily against with some force.

Home in and bear down on are semantically related. In some cases you can replace term "Home in" with "Bear down on", this phrasal verbs are similar.

Home in verb - Direct onto a point or target, especially by automatic navigational aids.

Bear down on and home in are semantically related. Sometimes you can use "Bear down on" instead a verb "Home in".