北斗系列天线BDSeriesAntenna性能指标Performance型号Model北斗车载调零天线DY-BDTRT06P00E工作频率OperatingFrequencyBDRBDT极化方式Polarization右旋圆极化Right-HandCircularPolarization左旋圆极化Left-HandCircularPolarization增益Gain(dB)仰角Elevation90°6仰角Elevation20°≥1仰角Elevation10°≥-2方向图Pattern水平Horizontal全向Omnidirectional垂直Vertical半球Hemisphere轴比AxisRatio(dB)仰角Elevation>20°≤3驻波比VSWR≤1.4:1内置调零单元，适用于抗干扰调零系统Built-inmulti-antennaforanti-interferenullsteeringsystem调零单元指标ZeroUnitIndicatorsu增益Gain(dB)仰角Elevation90°6仰角Elevation20°≥-1仰角Elevation10°≥-4方向图Pattern水平Horizontal全向Omnidirectional垂直Vertical半球Hemisphere轴比AxisRatio(dB)仰角Elevation>20°≤3驻波比VSWR≤1.4:1端口隔离度PortIsolation(dB)>25工作温度OperatingTemperature(℃)-40~+70接头形式ConnectionType***A-K外形尺寸Dimensi***(mm)Φ190×100)