• 2022-06-01 问题

    Whichisthe<em>odd</em>(不同类的)oneout?<br/><strong>NXF</strong><strong>ZHA</strong><strong>VTL</strong><strong>MWE</strong>

    Whichisthe<em>odd</em>(不同类的)oneout?<br/><strong>NXF</strong><strong>ZHA</strong><strong>VTL</strong><strong>MWE</strong>

  • 2022-07-24 问题

    [tex=27.643x1.286]TqTMAxYQ2OhZCHzEOkh9hyETtEr79QkdPHGDUwy9HzG4ToM3vMekTNOAwyN7eJOFWBy2tcbC75Br8Pd3Ts7PbkAJhO0NPsyeyWNyrSU+Em/S/VTl/xT1Xiy7IokccQQqM7Epjc6xUyQfIqrV6yWXxR6yxJjbKhzqT78X7/qtyl8=[/tex][tex=31.286x1.286]oAVS30Wy+yFnkDFAYK4YglaIlS+zuInK0oglmLXCBJr9ouPRy15aZvwDobkmkGFHjo2C+vEtdZF+nbu/ydDjGMLlNq8eiShPS5HH0thdLV9vDyx8ZnAq7c2kU4K+TPIG1lF3zSN0zkUko19M/H6oc5d91M2zE4l7P0U5rzp+lC8=[/tex][tex=28.286x1.286]RDNIMZcdOIKlwdhQT+8PWE28yUmKfZ/2WO/1crtmMvnMzIQYWMSBgyIJ3hoP29M3ksLD8RT+sKEVGQJuqhcvzH3LRaTxE9J91MpBlHxlchSha3XE2gzo5WZtVLgae5+yq9Dg3/xTCmJJIOhG9fCmuw==[/tex]

    [tex=27.643x1.286]TqTMAxYQ2OhZCHzEOkh9hyETtEr79QkdPHGDUwy9HzG4ToM3vMekTNOAwyN7eJOFWBy2tcbC75Br8Pd3Ts7PbkAJhO0NPsyeyWNyrSU+Em/S/VTl/xT1Xiy7IokccQQqM7Epjc6xUyQfIqrV6yWXxR6yxJjbKhzqT78X7/qtyl8=[/tex][tex=31.286x1.286]oAVS30Wy+yFnkDFAYK4YglaIlS+zuInK0oglmLXCBJr9ouPRy15aZvwDobkmkGFHjo2C+vEtdZF+nbu/ydDjGMLlNq8eiShPS5HH0thdLV9vDyx8ZnAq7c2kU4K+TPIG1lF3zSN0zkUko19M/H6oc5d91M2zE4l7P0U5rzp+lC8=[/tex][tex=28.286x1.286]RDNIMZcdOIKlwdhQT+8PWE28yUmKfZ/2WO/1crtmMvnMzIQYWMSBgyIJ3hoP29M3ksLD8RT+sKEVGQJuqhcvzH3LRaTxE9J91MpBlHxlchSha3XE2gzo5WZtVLgae5+yq9Dg3/xTCmJJIOhG9fCmuw==[/tex]

  • 2022-06-18 问题

    关于频谱多普勒测量的应用,下列错误的是() A: 测量Vs B: 测量Vd C: 测量VTL D: 测量Vm E: 测量脏器的大小

    关于频谱多普勒测量的应用,下列错误的是() A: 测量Vs B: 测量Vd C: 测量VTL D: 测量Vm E: 测量脏器的大小

  • 2022-06-06 问题

    ORG0H A: IN:MOVTMOD, B: 22H C: VTH0, D: 0CEH E: VTL0, F: 0CEH G: VTH1, H: 38H I: VTL1, J: 38H K: TBET0 L: TBET1 M: TBEA N: TBP1.0 O: TBTR0 P: OP:SJMPLOOP Q: D

    ORG0H A: IN:MOVTMOD, B: 22H C: VTH0, D: 0CEH E: VTL0, F: 0CEH G: VTH1, H: 38H I: VTL1, J: 38H K: TBET0 L: TBET1 M: TBEA N: TBP1.0 O: TBTR0 P: OP:SJMPLOOP Q: D

  • 2022-06-01 问题

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

  • 2021-04-14 问题

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

  • 2022-06-01 问题

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

  • 2022-10-25 问题

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

    下列哪个码片序列不能用于CDMA通信 A: ( -1 -1 -1 +1 +1 -1 +1 +1 ) B: ( -1 -1 +1 -1 +1 +1 +1 -1 ) C: ( -1 +1 -1 +1 +1 -1 -1 -1 ) D: ( -1 +1 -1 -1 -1 -1 +1 -1 )

  • 2021-04-14 问题

    请仔细观察下面行列式的计算过程,如果四个等号都理解了,请选择A,否则请选择B。 | a 1 1 1 1 | |a+4 a+4 a+4 a+4 a+4| | 1 a 1 1 1 | | 1 a 1 1 1 | | 1 1 a 1 1 |= | 1 1 a 1 1 | | 1 1 1 a 1 | | 1 1 1 a 1 | | 1 1 1 1 a | | 1 1 1 1 a | | 1 1 1 1 1 | | 1 a 1 1 1 | =(a+4) | 1 1 a 1 1 | | 1 1 1 a 1 | | 1 1 1 1 a | | 1 1 1 1 1 | | 0 a–1 0 0 0 | =(a+4) | 0 0 a–1 0 0 | | 0 0 0 a–1 0 | | 0 0 0 0 a–1 | =(a+4)(a–1)^4

    请仔细观察下面行列式的计算过程,如果四个等号都理解了,请选择A,否则请选择B。 | a 1 1 1 1 | |a+4 a+4 a+4 a+4 a+4| | 1 a 1 1 1 | | 1 a 1 1 1 | | 1 1 a 1 1 |= | 1 1 a 1 1 | | 1 1 1 a 1 | | 1 1 1 a 1 | | 1 1 1 1 a | | 1 1 1 1 a | | 1 1 1 1 1 | | 1 a 1 1 1 | =(a+4) | 1 1 a 1 1 | | 1 1 1 a 1 | | 1 1 1 1 a | | 1 1 1 1 1 | | 0 a–1 0 0 0 | =(a+4) | 0 0 a–1 0 0 | | 0 0 0 a–1 0 | | 0 0 0 0 a–1 | =(a+4)(a–1)^4

  • 2021-04-14 问题

    共有4个站进行码分多址通信。4个站的码片序列为:a:(-1 -1 -1 +1 +1 -1 +1 +1) b:(-1 -1 +1 -1 +1 +1 +1 -1) c:(-1 +1 -1 +1 +1 +1 -1 -1) d:(-1 +1 -1 -1 -1 -1 +1 -1) 现收到这样的码片序列:(-1 +1 -3 +1 -1 -3 +1 +1),则( )发送1。

    共有4个站进行码分多址通信。4个站的码片序列为:a:(-1 -1 -1 +1 +1 -1 +1 +1) b:(-1 -1 +1 -1 +1 +1 +1 -1) c:(-1 +1 -1 +1 +1 +1 -1 -1) d:(-1 +1 -1 -1 -1 -1 +1 -1) 现收到这样的码片序列:(-1 +1 -3 +1 -1 -3 +1 +1),则( )发送1。

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