![ST on Twitter: "T/R modules on AESA work as tiny radars with their separate power source while PESA has phase shifter that emits frequency by phases. Both are good radars just function ST on Twitter: "T/R modules on AESA work as tiny radars with their separate power source while PESA has phase shifter that emits frequency by phases. Both are good radars just function](https://pbs.twimg.com/media/EVLg2jlUUAAp5IR.jpg)
ST on Twitter: "T/R modules on AESA work as tiny radars with their separate power source while PESA has phase shifter that emits frequency by phases. Both are good radars just function
![PDF) On the use of AESA (Active Electronically Scanned Array) Radar and IRST (InfraRed Search&Track) System to Detect and Track Low Observable Threats PDF) On the use of AESA (Active Electronically Scanned Array) Radar and IRST (InfraRed Search&Track) System to Detect and Track Low Observable Threats](https://www.researchgate.net/publication/337985199/figure/fig1/AS:837130926444544@1576598974014/Estimated-detection-ranges-vs-scan-angle-th-against-a-target-of-1-m-RCS-for-the-radars_Q320.jpg)
PDF) On the use of AESA (Active Electronically Scanned Array) Radar and IRST (InfraRed Search&Track) System to Detect and Track Low Observable Threats
![Figure 1 from Micro electro mechanical switch (MEMS) technology applied to electronically scanned arrays for space based radar | Semantic Scholar Figure 1 from Micro electro mechanical switch (MEMS) technology applied to electronically scanned arrays for space based radar | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/280fbfa4ffda45d20044037592479761129fdee7/2-Figure1-1.png)