预览加载中,请您耐心等待几秒...
1/3
2/3
3/3

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

(最新)中国电视频道频率划分表 注:下表提供的是数字电视中心频率和模拟电视图像载频频率。中国电视是PALD/K制式,图像信号带宽7.25MHz,伴音载频比图像载频高6.5MHz,带宽±0.25MHz,所以每个频道带宽为8MHz,从图像载频-1.25MHz至图像载频频率+6.5MHz。例如,3频道的图像载频频率是65.75MHz,由此可推算出其伴音载频频率是72.25MHz,频率范围是64.5-72.5MHz。场频25Hz,行频15625Hz。 开路电视闭路电视频率参数波段频道国际编号国内编号频率范围图像载频(MHz)伴音载频(MHz)中心频率(MHz)I波段(米波)DS—11148.5-56.549.7556.2552.50DS—22256.5-64.557.7564.2560.50DS—33364.5-72.565.7572.2568.50II波段(米波)DS—44476-8477.2583.7580.00DS—55584-9285.2591.7588.00米波13Z1111-119112.25118.75115.0014Z2119-127120.25126.75123.0015Z3127-135128.25134.75131.0016Z4135-143136.25142.75139.0017Z5143-151144.25150.75147.0018Z6151-159152.25158.75155.0019Z7159-167160.25166.75163.00III波段(米波)DS—666167-175168.25174.75171.00DS—777175-183176.25182.75179.00DS—888183-191184.25190.75187.00DS—999191-199192.25198.75195.00DS—101010199-207200.25206.75203.00DS—111111207-215208.25214.75211.00DS—121212215-223216.25222.75219.00米波20Z8223-231224.25230.75227.0021Z9231-239232.25238.75235.0022Z10239-247240.25246.75243.0023Z11247-255248.25254.75251.0024Z12255-263256.25262.75259.0025Z13263-271264.25270.75267.0026Z14271-279272.25278.75275.0027Z15279-287280.25286.75283.0028Z16287-295288.25294.75291.0029Z17295-303296.25302.75299.00分米波30Z18303-311304.25310.75307.0031Z19311-319312.25318.75315.0032Z20319-327320.25326.75323.0033Z21327-335328.25334.75331.0034Z22335-343336.25342.75339.0035Z23343-351344.25350.75347.0036Z24351-359352.25358.75355.0037Z25359-367360.25366.75363.0038Z26367-375368.25374.75371.0039Z27375-383376.25382.75379.0040Z28383-391384.25390.75387.0041Z29391-399392.25398.75395.0042Z30399-407400.25406.75403.0043Z31407-415408.25414.75411.0044Z32415-423416.25422.75419.0045Z33423-431424.25430.75427.0046Z34431-439432.25438.75435.0047Z35439-447440.25446.75443.0048Z36447-455448.25454.75451.0049Z37455-463456.25462.75459.00IV波段(分米波)DS—135013470-478471.25477.75474.00DS—145114478-486479.25485.75482.00DS—155215486-494487.25493.75490.00DS—165316494-502495.25501.75498.00DS—175417502-510503.25509.75506.00DS—185518510-518511.25517.75514.00DS—19561