Radar data converter and display system

Claim 2

A radar system comprising: receiver means for receiving radar echo signals and providing on a plurality of output lines doppler signals related in frequency to the movement of distant objects with each one of said output lines carrying doppler signals derived from a different one of a plurality of predetermined range intervals; oscillator means whose output is stepped repetitively through a sequence of different constant frequencies and varying frequencies which vary at different rates; analyzer means connected to said plurality of output lines and to said oscillator means to produce on a plurality of analyzer output lines analyzer signals whenever said doppler signals differ in frequency from the frequency of said oscillator signals by predetermined amounts with each of said analyzer output lines carrying analyzer signals derived from a different one of said plurality of predetermined range intervals; a two-dimensional storage matrix comprising a plurality of storage elements connected to store the signals appearing on said analyzer output lines; strobing means connected to said storage matrix to sequentially gate open said storage elements in unison with the stepping of said oscillator output; and a two-dimensional array of display devices associated with said storage matrix with each of said display devices connected to a different one of said plurality of storage elements to indicate when a signal is stored in said storage element.

Claim 3

The system of claim 1 wherein each of said display devices is a device which is activated whenever its corresponding stored signal exceeds a threshold value.

Claim 4

The system of claim 1 wherein each of said display devices is a lamp.

Claim 5

The system of claim 1 wherein each of said display devices is a neon lamp.

Claim 6

The system of claim 1 wherein each said storage element is connected to a corresponding display device by an isolating amplifier.

Claim 7

The system of claim 1 including: a time generator which supplies a time signal to said strobing means each time said oscillator means is stepped through its said sequence of frequencies.

Claim 8

The system of claim 1 including: a plurality of two-dimensional arrays of display devices with each array displaying one target parameter as a function of another target parameter.

Claim 9

The system of claim 1 wherein said storage elements are storage capacitors.

Claim 10

A radar system comprising: receiver means for receiving radar echo signals and providing on a plurality of output lines doppler signals related in frequency to the movement of distant objects with each one of said output lines carrying doppler signals derived from a different one of said plurality of predetermined range intervals; oscillator means whose output is stepped repetitively through a sequence of different constant frequencies and varying frequencies; analyzer means connected to said plurality of output lines and to said oscillator means to produce on a plurality of analyzer output lines analyzer signals whenever said doppler signals differ in frequency from the frequency of said oscillator signals by predetermined amounts with each of said analyzer output lines carrying analyzer signals derived from a different one of said plurality of predetermined range intervals; a time generator for producing a time signal each time said oscillator repeats its sequence of frequencies; a plurality of two-dimensional storage matrices each comprising a plurality of storage elements to store the signals appearing on said analyzer output lines; programming means for supplying regularly spaced signals to control the stepping of said oscillator and to sequentially gate open certain of said storage elements; means connecting said time generator to certain of said storage matrices to sequentially gate open certain of said storage elements; and a plurality of display devices, each individually connected to a respective one of said storage elements, to indicate when signals are stored in said storage element.

Claim 11

A radar system comprising: receiver means for receiving radar echo signals and providing on a plurality of output lines doppler signals related in frequency to the movement of distant objects with each one of said output lines carrying doppler signals derived from a different one of said plurality of predetermined range intervals; oscillator means whose output is stepped repetitively through a sequence of different constant frequencies and varying frequencies; analyzer means connected to said plurality of output lines and to said oscillator means to produce on a plurality of analyzer output lines analyzer signals whenever said doppler signals differ in frequency from the frequency of said oscillator signals by predetermined amounts with each of said analyzer output lines carrying analyzer signals derived from a different one of said plurality of predetermined range intervals; a time generator for producing a time signal each time said oscillator repeats its sequence of frequencies; a plurality of two-dimensional storage matrices each comprising a plurality of storage elements to store the signals appearing on said analyzer output lines; programming means for supplying regularly spaced signals to control the stepping of said oscillator and to sequentially gate open certain of said storage elements; means connecting said time generator to certain of said storage matrices to sequentially gate open certain of said storage elements; and a plurality of display devices, each individually connected to a respective one of said storage elements, to indicate when signals are stored in said storage element.

Claim 12

The system of claim 9 wherein said storage elements are capacitors.

Claim 13

The system of claim 9 wherein said display devices are lamps.