有线电视的波段和频道.doc

有线电视的波段和频道有线电视波段划分表波段性质和说明频率范围业务内容R5.030.0电视及非广播业务标准电视，甚高频，V波段48.592.0电视FM调频广播87.0108.0声音A1增补频道A1111.0167.0电视标准电视，甚高频，V波段167.0223.0电视A2增补频道A2223.0295.0电视B1增补频道B1295.0447.0电视标准电视，特高频，U波段447.0566.0电视B2增补频道B2566.0606.0电视标准电视，特高频，U波段606.0958.0电视说明：标准电视频道是分配给电视专用的频道，允许开路电视（和有线电视）使用，在频道编号前冠以汉语拼音字母“DS”（电视Dianshi），计有DS1至DS68，划分为I、III、IV和V几个波段。I、III、IV和V分别是罗马数字1、3、4和5。原本分配给通信、导航等其他用途的无线电频段内，在有线电视中（因为在电缆中传输，不会干扰空中的信号），也可以设置电视频道，就是“有线电视增补频道”，在频道号前冠以汉语拼音字母“Z”(增补Zengbu)。“增补频道”单独编出顺序号Z1至Z42。电视机选台时屏幕上会相继显示出的“V”波段和“U”波段。“V”波段即是甚高频VHF，是英文Very-high-frequency的缩写，其中又分为两部分：“VL”，通常包括I和A-1波段，L为英文“Low低”的第一个字母；“VH”，通常包括III和A-2、B-1波段，H为英文“High高”的第一个字母。“U”波段，即特高频UHF，是英文Ultra-high-frequency的缩写，通常包括IV和V波段。有线电视频道表波段频道图像载频伴音载频中心频率频带(MHz)IDS149.7556.2552.548.556.5DS257.7564.2560.556.564.5DS365.7572.2568.564.572.5DS477.2583.7580.076.084.0（DS5）85.2591.7588.084.092.0FM87108NM108111A-1Z1112.25118.75115111.0119.0Z2120.25126.75123119.0127.0Z3128.25134.75131127.0135.0Z4136.25142.75139135.0143.0Z5144.25150.75147143.0151.0Z6152.25158.75155151.0159.0Z7160.25166.75163159.0167.0IIIDS6168.25174.75171167.0175.0DS7176.25182.75179175.0183.0DS8184.25190.75187183.0191.0DS9192.25198.75195191.0199.0DS10200.25206.75203199.0207.0DS11208.25214.75211207.0215.0DS12216.25222.75219215.0223.0A-2Z8224.25230.75227223.0231.0Z9232.25236.75235231.0239.0Z10240.25246.75243239.0247.0Z11248.25254.75251247.0255.0Z12256.25262.75259255.0263.0B-1Z13264.25270.75267263.0271.0Z14272.25278.75275271.0279.0Z15280.25286.75283279.0287.0Z16288.25294.75291287.0295.0Z17296.25301.75299295.0303.0Z18304.25310.75307303.0311.0Z19312.25318.75315311.0319.0Z20320.25326.75323319.0327.0Z21328.25334.75331327.0335.0Z22336.25342.75339335.0343.0Z23344.25350.75347343.0351.0Z24352.25358.75355351.0359.0Z25360.25366.75363359.0367.0Z26368.25374.75371367.0375.0Z27376.25382.75379375.0383.0Z28384.25390.75387383.0391.0Z29392.25398.75395391.0399.0Z30400.25406.75403399.0407.0Z31408.25414.75411407.0415.0Z32416.25422.75419415.0423.0Z33424.25430.75427423.0431.0Z34432.25438.75435431.0439.0Z35440.25446.75443439.0447.0Z36448.25454.75451447.0455.0Z37456.25462.75459455.0463.0IVDS13471.25477.75474470.0478.0DS14479.25485.75482478.0486.0DS15487.25493.75490486.0494.0DS16495.25501.75498494.0502.0DS17503.25509.75506502.0510.0DS18511.25517.75514510.0518.0DS19519.25225.75522518.0526.0DS20527.25533.75530526.0534.0DS21535.25541.75538534.0542.0DS22543.25549.75546542.0550.0DS23551.25557.75554550.0558.0DS24559.25565.75562558.0566.0B-2Z38567.25573.75570566.0574.0Z39575.25581.75578574.0582.0Z40583.25589.75586582.0590.0Z41591.25597.75594590.0598.0Z42599.25605.75602598.0606.0VDS25607.25613.75610606.0614.0DS26615.25621.75618614.0622.0DS27623.25629.75626622.0630.0DS28631.25637.75634630.0638.0DS29639.25645.75642638.0646.0DS30647.25653.75650646.0654.0DS31655.25661.75658654.0662.0DS32663.25669.75666662.0670.0DS33671.25677.75674670.0678.0DS34679.25685.75682678.0686.0DS35687.25693.75690686.0694.0DS36695.25701.75698694.0702.0DS37703.25709.75706702.0710.0DS38711.25717.75714710.0718.0DS39719.25725.75722718.0726.0DS40727.25733.75730726.0734.0DS41735.25741.75738734.0742.0DS42743.25749.75746742.0750.0DS43751.25757.75754750.0758.0DS44759.25765.75762758.0766.0DS45767.25773.75770766.0774.0DS46775.25781.75778774.0782.0DS47783.25789.75786782.0790.0DS48791.25797.75794790.0798.0DS49799.25805.75802798.0806.0DS50807.25813.75810806.0814.0DS51815.25821.75818814.0822.0DS52823.25829.75826822.0830.0DS53831.25837.75834830.0838.0DS54839.25845.75842838.0846.0DS55847.25853.75850846.0854.0DS56855.25861.75858854.0862.0DS57863.25869.75866862.0870.0DS58871.25877.75874870.0878.0DS59879.25885.75882878.0886.0DS60887.25893.75890886.0894.0DS61895.25901.75898894.0902.0DS62903.25