Bellini–Tosi direction finder

This Royal Navy model is typical of B–T goniometers. The two sets of field coils and the rotating sense coil are visible.

Early RDF systems used large rotating loop antennae built on wooden frames. This 1919 example, from the National Bureau of Standards, is relatively small for the era.

The crossed-loops DF antenna atop the mast of a tug boat. These would be used with a B–T radiogoniometer for navigation by taking measurements against shore-side transmitters.

This Japanese BTDF installation at Rabaul was used with signals up to about 2 MHz.The diagonal spacing of the unipoles is 90 feet.

A Bellini–Tosi direction finder (B–T or BTDF) is a type of radio direction finder (RDF), which determines the direction to, or bearing, of a radio transmitter. Earlier RDF systems used very large rotating loop antennas, which the B–T system replaced with two fixed antennae and a small rotating loop, known as a radiogoniometer. This made RDF much more practical, especially on large vehicles like ships or when using very long wavelengths that demand large antennae.

单词	radiogoniometer
释义	radiogoniometer /reɪdɪəʊɡəʊnɪ'ɒmɪtə//ˌredɪo,gonɪ'ɑmɪtɚ/ 英汉-汉英词典 n. 无线电方位计词组 \| 习惯用语您要查找的是不是： trigonometry n. 三角学 potentiometer n. 电位计,分压计 radiographer n. 放射线摄影师 radiometric adj. 辐射度的; 放射性测量的 radiogoniometer n. 无线电方位计；[通信] 无线电测向计网络短语: radiogoniometer control 测角器旋钮 ray radiogoniometer 阴极射线测向计 cathode-ray radiogoniometer 阴极射线测向计英语百科 Bellini–Tosi direction finder A Bellini–Tosi direction finder (B–T or BTDF) is a type of radio direction finder (RDF), which determines the direction to, or bearing, of a radio transmitter. Earlier RDF systems used very large rotating loop antennas, which the B–T system replaced with two fixed antennae and a small rotating loop, known as a radiogoniometer. This made RDF much more practical, especially on large vehicles like ships or when using very long wavelengths that demand large antennae.
随便看	Zambales Mountains的意思 Zambales Mts.的意思 Zambales, Prov.of的意思 Zambelli的意思 zambello的意思 zambelotto的意思 zamberlan的意思 zamberlans的意思 zambesa claripalpis的意思 Zambese的意思 Zambesi的意思 zambesi black d的意思 Zambesi fever的意思 Zambesil的意思 zambesis的意思 zambesi ulcer的意思 Zambezi的意思 Zambezia的意思 Zambezian的意思 Zambezians的意思 zambezias的意思 Zambezi Canyon的意思 Zambezi Escarp.的意思 Zambezi River的意思 Zambezi River的意思

radiogoniometer /reɪdɪəʊɡəʊnɪ'ɒmɪtə//ˌredɪo,gonɪ'ɑmɪtɚ/

您要查找的是不是：

网络短语:

Bellini–Tosi direction finder