Aesa true dual beam full range, full doppler spectrum imaging while scanning radar system

A radar system comprising:

• a first transmit/receive module (101);
• a second transmit/receive module (201):
• wherein said first transmit/receive module (101) and said second transmit/receive module (201) are selectively interconnected and thereby configured to image while scanning, being configured to continuously track one or more targets and to simultaneously acquire images for classification purposes;
• wherein said first transmit/receive module (101) comprises:
• an electronic scanning antenna (150);
• a transmitter/receiver (140);
• a first phase shifter (131);
• and
• a second phase shifter (132);
• a first waveform generator (110);
• a first beam former (120);
• a first transmit/receive switch (115);
• a first beam receiver (111);
• wherein said second transmit/receive module (201) comprises:
• an electronic scanning antenna (250);
• a transmitter/receive (240);
• a first phase shifter (231);
• and
• a second phase shifter (232);
• a second waveform generator (210);
• a second beam former (220);
• a second transmit/receive switch (215);
• a second beam receiver (211);
• wherein said first waveform generator (110) is configured to generate a first radar signal at a first frequency, the first radar signal being transmitted to said first beam former (120);
• wherein said second waveform generator (210) is configured to generate a second radar signal at a second frequency, the second radar signal being transmitted to said second beam former (220);
• wherein said first beam former (120) is configured to constitute the first radar signal;
• wherein said second beam former (220) is configured to constitute the second radar signal;
• wherein said first phase shifter (131) of said first transmit/receive module (101) is configured to receive and to adjust a phase of the constituted first radar signal;
• wherein said second phase shifter (132) of said first transmit/receive module (101) is configured to receive and to adjust a phase of the constituted second radar signal;
• wherein said first phase shifter (231) of said second transmit/receive module (201) is configured to receive and to adjust a phase of the constituted first radar signal;
• wherein said second phase shifter (232) of said second transmit/receive module (201) is configured to receive and to adjust a phase of the constituted second radar signal;
• wherein said first transmit/receive switch (115) is configured to control transmissions from said first waveform generator (110) to said first beam former (120) and control receptions from said first waveform generator (110) to said first beam receiver (111);
• wherein said second transmit/receive switch (215) is configured to control transmissions from said second waveform generator (210) to said second beam former (220) and control receptions from said second waveform generator (210) to said second beam receiver (211);
• a timing synchronizer (109) configured to synchronize generation of the first radar signal by said first waveform generator (110) with generation of the second radar signal by said first waveform generator (210), to ensure that the first radar signal and the second radar signal can be transmitted and received without interfering with each other;
• and
• wherein said first transmit/receive module (101) and said second transmit/receive module (201) are thereby configured to image while scanning, being configured to continuously track one or more targets and to simultaneously acquire images for classification purposes.

A radar system configured to continuously image and simultaneously search uninterrupted, said radar system comprising:

• a first waveform generator configured to generate a first radar signal at a first frequency;
• a first beam former configured to constitute the first radar signal;
• a second waveform generator configured to generate a second radar signal at a second frequency;
• a second beam former configured to constitute the second radar signal;
• a first beam receiver;
• a second beam receiver;
• an array of transmit receive modules, each transmit receive module comprising:
• an electronic scanning antenna;
• a first phase shifter;
• a second phase shifter;
• and
• a transmitter/receiver configured to selectively transmit a phase-shifted radar signal to said electronic scanning antenna;
• wherein said array of transmit/receive modules are selectively interconnected, whereby said first beam former is configured to transmit the constituted first radar signal to said first phase shifter of at least a first transmit receive module of said array of transmit receive modules and to said first phase shifter of at least a second transmit receive module of said array of transmit receive modules, and whereby said second beam former is configured to transmit the constituted second radar signal to said second phase shifter of at least said first transmit receive module of said array of transmit receive modules and to said second phase shifter of at least said second transmit receive module of said array of transmit receive modules;
• a timing synchronizer configured to synchronize signal generation by said first waveform generator and said second waveform generator, to ensure that the first radar signal and the second radar signal can be transmitted and received without interfering with each other;
• wherein said array of transmit/receive modules are thereby configured to continuously track one or more maneuvering targets and to simultaneously acquire images for classification purposes.