Method of suppressing noise, compressing bandwidth, and evaluating radar-picture signals or similar periodic trains of impulses

• US 3,201,787 A
• Filed: 07/22/1960
• Issued: 08/17/1965
• Est. Priority Date: 07/23/1959
• Status: Expired due to Term

• Current Assignee: Heinz Wollmann, Karl Waldau, Kurt Jekelius, Rudolph Huss, Theodor Grewe, Von Hauteville Tankred, Wolfgang Kaiser
• Original Assignee: Heinz Wollmann, Karl Waldau, Kurt Jekelius, Rudolph Huss, Theodor Grewe, Von Hauteville Tankred, Wolfgang Kaiser
• Inventors: HEINZ WOLLMANN, THEODOR GREWE, VON HAUTEVILLE TANKRED, Huss, Rudolph, KURT JEKELIUS, WOLFGANG KAISER, KARL WALDAU
• Application Number:
  US04/044,677
• Time in Patent Office: 1,852 Days
• US Class Current: 342/58
• CPC Class Codes: G01S 13/18 wherein range gates are used
• CPC Class Codes: G01S 13/24 using frequency agility of carrier wave
• CPC Class Codes: G01S 7/003 Transmission of data between radar, sonar or lidar systems and remote stations
• CPC Class Codes: G01S 7/10 Providing two-dimensional and co-ordinated display of distance and direction
• CPC Class Codes: G01S 7/2923 based on data belonging to a number of consecutive radar periods

Claims

1. A SYSTEM FOR NOISE SUPRRESION, BANDWIDTH COMPRESSION AND EVALUATION OF RADAR PULSE-TYPE SIGNALS FOR TRANSMISSION OVER CHANNELS OF SMALLER BANDWIDTH COMPRISING A RADAR TRANSMITTER INCLUDING A ROTATING ANTENNA FOR TRANSMITTING RADAR PULSES, A RADAR RECEIVER INCLUDING SAID ROTATING ANTENNA FOR RECEIVING ECHOES OF SAID RADAR PULSES AND FOR PROVIDING SAID PULSE-TYPE SIGNALS, A PLURALITY OF STORAGE ELEMENTS, EACH SAID STORAGE ELEMENT REPRESENTING S DISCRETE QUANTITY, THE NUMBER OF SAID STORAGE ELEMENTS BEING LIMITED IN ACCORDANCE WITH THE PROBABILITY OF ACCURACY OF THE EVALUATION, A WRITE-IN PULSES DISTRIBUTOR, A PLURALITY OF GATING MEANS, MEANS COUPLING SAID PULSE-TYPE SIGNALS AND THE OUTPUT OF SAID PULSE DISTRIBUTOR TO SAID PLURALITY OF GATING MEANS, MEANS COUPLING THE OUTPUT OF