波形回損 的英文怎麼說
中文拼音 [bōxínghuísǔn]
波形回損
英文
waveform return loss-
In the paper, the transition of ka band rectangular waveguide to micro strip probe and the back - to - back structure are designed. the measurement results indicated the low insert loss and low return loss from 35 ghz to 40 ghz
本文設計了ka波段矩形波導到微帶探針過渡結構以及背對背結構，測試結果表明，在35 40ghz頻率范圍內，其插入損耗和回波損耗都比較小。The t1 - weighted and ^ - weighted magnetic resonance imaging ( mri ) have been used to study the morphogenesis of chicken embryo and other contains in the egg during the earlier hatching process. t2 values of amniotic fluid, yolk and egg white have been measured by the means of multi slice multi echo ( msme ) sequence. in - vivo " h magnetic resonance spectroscopy ( in - vivo * h mrs ) has been used to analyze the ingredients of amniotic fluid, yolk and egg white
用核磁共振成像（ magneticresonanceimaging ， mrl ）中ti加權、 2加權成像的方法在無損的條件下對雞胚發育過程中的形態結構變化進行了研究，得到了胚胎及蛋白、蛋黃等在胚胎發育的早期結構變化的圖像，並用多片多回波（ multislicemultiecho ， msme ）的方法測定了它們中質子的r2值，為研究胚胎的發育過程提供了有價值的參考。
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