举一反三
- 以光速为相速的无损耗线,其特性阻抗为75,此传输线的原参数L0、C0应分别为/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage003.png
- 图示电路如欲使,则λ/4无损耗线的特性阻抗=____欧姆。(保留整数或者小数均可)/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage035.png/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage037.png/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage039.png
- 若是由抛物线与直线所围的闭区域, 在上连续,则 ____/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage001.png/ananas/latex/p/7563/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage003.png/ananas/latex/p/147/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage001.png/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage005.png
- 图示电路中V,现已知V,则、分别为( )。/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage023.jpg/ananas/latex/p/860119/ananas/latex/p/1511/ananas/latex/p/1510/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage025.png
- 某电容用工作波长为、终端短路的无损耗线来实现时,其线长为0.396m，如改用终端开路的同一无损耗线实现,则所需长度为/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage027.png
内容
- 0
某电感用工作波长为、终端开路的无损耗线来实现时,其长度为0.44m。如改用终端短路的同一无损耗线实现,则所需长度为/sqp/img?f=0013b68de134971d94975eabacc26d77.files%2Fimage019.png
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图示电路中, V,现已知V,则C1、C2分别为/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage026.jpg/ananas/latex/p/860132/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage028.png
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设C是椭圆,则 /sqp/img?f=082dd162a7e1b0159a2edaf7b9917676.files%2Fimage010.png/sqp/img?f=082dd162a7e1b0159a2edaf7b9917676.files/image011.png
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设,则在点均可微是在 点可微的 /sqp/img?f=399564cbae5b180fa94e94b3faa5fe8f.files%2Fimage003.png/sqp/img?f=399564cbae5b180fa94e94b3faa5fe8f.files/image004.png/sqp/img?f=399564cbae5b180fa94e94b3faa5fe8f.files%2Fimage005.png/sqp/img?f=399564cbae5b180fa94e94b3faa5fe8f.files/image006.png/sqp/img?f=399564cbae5b180fa94e94b3faa5fe8f.files%2Fimage007.png
- 4
若已知理想变压器的传输参数为,则该网络的H参数等于( )。/sqp/img?f=5f05ac8f3f8530ff95909ca9a6abc9de.files%2Fimage005.png