你即將離開本站

並前往https://www.ntia.doc.gov/legacy/osmhome/reports/ntia00-40/chapt3.htm

Radars and the Electromagnetic Spectrum Introduction

Radars operate in radio frequency bands normally designated for radar operations ... require modest amounts of power, and do not require highly directional ...

確定！ 回上一頁

查詢 「Do frequency」的人也找了：

  1. Note frequency
    2.
  2. C5 frequency
    3.
  3. Middle C frequency
    4.
  4. Pitch frequency chart
    5.
  5. E5 frequency
    6.
  6. C4 frequency
    7.
  7. Piano frequency
    8.
  8. F6 frequency
    9.