band profile 中文意思是什麼
band profile
解釋
譜帶輪廓-
The radial motion will not only bring the range ambulation and windage to the one - dimension range - profile, but also bring the aberrance and blur produced on given condition that radar signal which is with large product of wide - time and wide - band
對于大時寬帶寬積信號，目標高速運動不僅會造成目標一維距離像的距離走動和距離偏差，還會造成畸變和模糊。 -
According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths
第三，根據西安地區氣象觀測數據，討論了西安典型雲的宏觀和微觀物理特性；根據西安典型雲的觀測結果和世界氣象組織提供的數據，得到西安典型雲的k - m雲滴譜參數；並根據西安地區雲的液水含量，計算了地一空路徑上雲的衰減，結果表明，在v波段和仰角小於30度的ka波段路徑，雲的衰減需加以考慮。 -
Design of a high output power, high combining efficiency power combiner at ka - band based on a slotted - waveguide was presented in this thesis. slotted - waveguide power divider, which achieves power - dividing and waveguide - microstrip transition at the same time takes the advantages of low profile, low cost and high combining efficiency
用開槽波導同時完成功率分配/合成及波導-微帶過渡，具有體積小、合成效率高的特點，既不屬于空間功率合成又與傳統的電路合成有所區別。 -
Victoria " posh " beckham has maintained the highest profile since the band split, helped by her superstar soccer - playing husband david and regular appearances at fashion shows and on tabloid front pages
組合解散后時尚辣妹維多利亞?貝克漢姆借老公足球巨星大衛?貝克漢姆之力一直保持了很高的曝光率，定期出現在時尚秀場和小報的頭版。 -
Under the best grading way, the shape of the band profile is more propitious to the transfer of the carrier
漸變長度較長時，線性漸變是最佳漸變方式，能帶形狀更適合載流子輸運。 -
V band couplings for ducting and piping. profile dimensions
導管和管道用形帶連接器.外形尺寸
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