中波

Multi tool use
中波(英语:Medium wave,MW),是无线电的一个波长范围,其对应的频率范围称为中频。一般来说中波的波长范围为100米至1000米,中频则为0.3MHz到3MHz,其中用于广播通信的通常是550-1605kHz波段。[1]电离层也能反射中波波段的电磁波,不过晚间时效果才比较显著,利用中波电磁波在电离层传播时的交叉调制效应还可对电离层进行研究。[2]
参见
参考文献
^ 无线电波的波段划分和应用
^ 无线电波传播 Archive.is的存檔,存档日期2012-08-05
电磁波谱
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- 伽马射线
- X射线
- 紫外线
- 可见光
- 红外线
- 太赫兹辐射
- 微波
- 无线电波
← 波长越短 波长越长 → ← 频率越高 频率越低 →
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可见光 |
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微波 |
- W波段
- V波段
- Q波段
- Ka波段
- K波段
- Ku波段
- X波段
- S波段
- C波段
- L波段
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无线电波 |
極高頻(EHF)
超高頻(SHF)
特高頻(UHF)
甚高頻(VHF)
高頻(HF)
中頻(MF)
低頻(LF)
甚低頻(VLF)
特低頻(ULF)
超低頻(SLF)
極低頻(ELF)
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波长 |
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无线电及广播
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方式 |
调幅 · 调频/调频广播 · 长波 · 中波 · 短波/短波廣播 · 单边带 · 慢扫描电视 · 數碼聲音廣播 · 有線廣播
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设备 |
无线电接收机 · 收音机 · 矿石收音机 · 晶体管收音机 · 天线 · 八木天线
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内容 |
广播电台 · 国际广播 · 宗教电台 · 地下电台(卖药台 · 对北广播) · 数字电台 · 无线电干扰 · 业余无线电 · 战时宣传 · 航空无线电 · 无线电传真
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术语 |
呼号 · 开始曲(调谐信号) · 收听报告 · SINPO码 · QSL卡
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