单词 | spot-size error |
释义 | spot-size error [`spät ¦sīz ´er·ǝr] ELECTRONICS The distortion of the radar returns on the radarscope presentation caused by the diameter of the electron beam which displays the returns of the scope and the lateral radiation across the scope of part of the glow produced when the electron beam strikes the phosphorescent coating of the cathode-ray tube. |
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