Medium wave - Wikipedia
网页Medium wave (MW) is a part of the medium frequency (MF) radio band used mainly for AM radio broadcasting. The spectrum provides about 120 channels with more limited sound quality than FM stations on the FM broadcast band .
中波 - 维基百科，自由的百科全书
网页2024年5月1日 · 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。 中波的波长范围一般为100米至1000米，中频则为0.3 MHz 到3MHz，其中用于 广播 通信的通常是550-1605kHz波段。
13.1 Types of Waves - Physics - OpenStax
网页Light, sound, and waves in the ocean are common examples of waves. Sound and water waves are mechanical waves; meaning, they require a medium to travel through. The medium may be a solid, a liquid, or a gas, and the speed of the wave depends on the material properties of the medium through which it is traveling. However, light is not a ...
Medium frequency - Wikipedia
网页Medium frequency (MF) is the ITU designation [1] for radio frequencies (RF) in the range of 300 kilohertz (kHz) to 3 megahertz (MHz). Part of this band is the medium wave (MW) AM broadcast band. The MF band is also known as the hectometer band as the wavelengths range from ten to one hectometers (1000 to 100 m).
The Nature of Waves - The Physics Hypertextbook
网页A medium is the substance through which a wave can propagate. Water is the medium of ocean waves. Air is the medium through which we hear sound waves. The electric and magnetic fields are the medium of light. People are the medium of a stadium wave. The Earth is the medium of seismic waves (earthquake waves).
8.1: Introduction to Waves - Physics LibreTexts
网页2023年1月11日 · As an example of how the medium determines the wave speed we can look at a material wave on a stretched (characterized by tension) medium, such as a rope or a rubber hose. Both transverse waves and longitudinal waves are possible on a stretched strings or ropes.
1.2: Wave Properties - Physics LibreTexts
网页2024年1月11日 · For a wave to occur, two things are needed – a medium through which the wave passes, and a "driver" which is the initial source of the energy carried by the wave. Let's look at how each of the wave attributes links to these ingredients.
Explainer: Understanding waves and wavelengths - Science News …
网页2020年3月5日 · The substance that a wave moves through is called the medium. That medium moves back and forth repeatedly, returning to its original position. But the wave travels along the medium. It does not stay in one place. Imagine holding one end of a piece of rope. If you shake it up and down, you create a wave, with the rope as your medium.
5: MW Propagation – Medium Wave Circle
网页5: MW Propagation – Medium Wave Circle. How MW signals reach you. The first thing you’ll probably notice when you listen to a MW radio is how many stations are audible and whether they are strong or weak. You’ll quickly notice a big different between daytime listening and night-time reception.
List of European medium wave transmitters - Wikipedia
网页List of European medium wave transmitters - Wikipedia. This is an incomplete list of medium wave transmitters in Europe. The emitted AM radio signal can be received on AM radios across Europe, depending on the power. Active stations. Source: [1] Former stations. Source: [3] See also. MW DX. References.