您要查找的是不是：
- F2層臨界頻率the critical frequency of the F2 layer
- 在每天同一時(shí)刻,干擾重心頻率服從正態(tài)分布,它與F_2層臨界頻率f_0F_2有明顯的相關(guān)性,因此可用干擾重心頻率實(shí)時(shí)估算短波通信電路的最高可用頻率,并由此得到電路的最佳實(shí)時(shí)通信頻率。In the same time of every day ICF obeys normal distribution. There is obvious relativity between ICF and critical frequency f0 F2 of layer F2, so we can use it to evaluate maximal usable frequency (MUF) in short wave communication link, then we can get the best frequency as real-time communication frequency.
- 電離層F2層Ionospheric F2-layer
- 離層臨界值critical value
- 層layer
- 頻率frequency
- 用于對潛通訊的星載的ELF/VLF發(fā)射環(huán)天線(xiàn)處于350km高度的電離層F2層。The spaceborne VLF/ELF loop antenna for the communications to submarines is a loop wire in the F-layer of the ionosphere at a height of 350 km.
- 閃爍臨界頻率critical flicker frequency
- 儲層臨界物性critical properties of reservoir
- 臨界頻率threshold frequency
- 臨界頻率法critical frequency method
- 錨網(wǎng)煤巷頂板離層臨界值的計算和分析Analysis and Calculation on Roof Separation Critical Values of Solid-coal Roadway and Gob-side Roadway Supported with Bolts
- 中間臨界頻率[電] intermediate critical frequeney
- 內層lining
- 頻率計cymometer
- 薄層folium
- 層數number of plies
- 倏變臨界頻率[醫] c. f. f.; critical flicker frequency
- 層高height between floors
- 頻率響應frequency response
