描述:Quartz Crystal Resonator HC49/US Short Thru-Hole 2.5mm Height Metal Resistance Weld Seal 14.31818MHz ±15ppm at 25°C ±20ppm over -40°C to +85°C 12pF Parallel Resonant Brand Name:Ecliptek 是否无铅:不含铅 是否Rohs认证:符合
导引头共形阵列雷达(Conformal Array for Radar Missile Seeker),这个PPT来自韩国忠北大学(충북대학교,Chungbuk National University)的B.-C. Ahn,整个PPT共80页,分为导弹制导、半主动雷达制导、主动雷达制导、天线罩引起的瞄准误差、PESA雷达、AES
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