用于土壤水分测量的磁共振射频线圈宽频匹配方法
吴嘉敏1,2,*(
),贺玉成1,徐征3,*(),朱延河2,姜文正1
),贺玉成1,徐征3,*(),朱延河2,姜文正1
A Wide-Band Matching Method for Radio Frequency Coils Used in Soil Moisture Measurement
Jia-min WU1,2,*(),Yu-cheng HE1,Zheng XU3,*(),Yan-he ZHU2,Wen-zheng JIANG1
),Yu-cheng HE1,Zheng XU3,*(),Yan-he ZHU2,Wen-zheng JIANG1
图7. 并联电阻与信噪比关系
Fig.7. Relationship between resistance and SNR
