1) super-low side lobe
超低旁瓣
2) ultra-low sidelobe antenna
超低旁瓣天线
1.
Effect of random errors of planar near-field measurements with ultra-low sidelobe antennas on antenna far-field pattern;
超低旁瓣天线平面近场测量中随机误差对远场方向图的影响
3) ultra-low side-lobe arrays
超低旁瓣阵列天线
4) ULC steel
超低碳钢
1.
Inclusions and total oxygen content in ultra-low carbon(ULC) steel were studied for the control of cluster inclusions in ULC steel.
为控制超低碳钢中的簇状夹杂物,对超低碳钢中的夹杂物和与全氧含量的关系进行了研究。
2.
The polarization curve of the ULC steel with titanium and niobium was measured to determine the suitable electrolytic parameters for preparation of TEM carbon replica samples.
测定了一种复合添加钛、铌超低碳钢的极化曲线,选用合适的电流密度和电解时间以碳复型方法萃取钢中的析出相制备透射电镜观察用样品。
3.
Effects of antioxidant additive on carbon pickup of ULC steel from Al_2O_3-C refractory;
以电熔白刚玉和石墨为原料,引入不同的抗氧化剂制备Al2O3-C坩锅,在中频感应炉中研究了含碳耐火材料对超低碳钢钢水的增碳作用。
5) cryogenic temperature
超低温
1.
It was found that by adding PPENK and polyether the critical stress-intensity factor(KIC)and impact strength were both highly increased at room temperature and cryogenic temperature.
实验结果表明,加入一定量的PPENK及环氧聚醚后可大幅提高环氧树脂的超低温韧性。
6) ultra-low-carbon steel
超低碳钢
1.
Development on ultra-low-carbon steel mold powder of Baosteel;
宝钢超低碳钢保护渣的开发
2.
Effect of Mould Shielded Fluxes on Concasting Billet Surface Carbonization of Ultra-Low-Carbon Steel;
结晶器保护渣对超低碳钢连铸坯表面渗碳的影响
3.
Composite Treatment of Concasting Mold Flux for Ultra-Low-Carbon Steel;
超低碳钢连铸结晶器用保护渣的超细复合处理
参考词条
补充资料：超低旁瓣
为了增强现代舰用天线系统的抗干扰能力,必须提高天线旁瓣的测量精度.
基于此给出了用平面近场技术测量超低旁瓣天线时,旁瓣测量总误差与待测天线参数、近场幅相随机误差的数学模型:在相同的测量条件下,天线旁瓣越低,旁瓣测量误差越大;
旁瓣测量总误差随着近场测量幅相误差的增大而增大;近场分布的口径效率与旁瓣电平的误差方差成反比.
建立了近场幅相随机误差所引起的误差谱的表达式.对随机误差对远场方向图的影响进行了计算机仿真验证:结果表明,幅相误差主要影响远场方向图的旁瓣;该验证方法首次采用阵元数较少的线阵,仿真效果接近采用多阵元平面阵的情况.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。