抄録
The writers have devised a balloon type of reflector, and weasured the echo-power of this experimental reflecton. Then they have examined the radar cross section of it, and then assumed the echo-power of the reflector located on a life raft with respective heights of 3 meters and 7 meters. Secondly, they thought the cross section of a streched triangle type of reflector, and measured the echo-power of this type reflector and of wooden reflectors pasted with several sorts of the "Scotchlite" Reflective Sheeting.
