若[tex=5.214x1.429]KvUAV1griPRW/Q4BaDjJaacy1BGp/XRJ7cGV57BWJZc=[/tex], 则 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 的原函数之一是 未知类型：{'options': ['[tex=3.857x1.143]69/mGBCmNgjvgYWUhsU1iQ==[/tex]', '[tex=3.857x1.143]3Qugba76M+f9qBtoLBc6mg==[/tex]', '[tex=3.714x1.143]v0UZG/NdE0tPMoUAAc1iJg==[/tex]', '[tex=3.429x1.143]QqPHrDvQZ1ozUI++kMKBIg==[/tex]'], 'type': 102}

若 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]的导函数是[tex=2.0x1.0]pCnw3JsRBb35dEjM0AXbDw==[/tex], 则 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 有一个原函数为 未知类型：{'options': ['[tex=3.429x1.143]QqPHrDvQZ1ozUI++kMKBIg==[/tex]', '[tex=3.429x1.143]jVjGI5tiGj2beSpOjr1+8g==[/tex]', '[tex=3.571x1.143]5AJnwz4lMaSgB46X0q69fA==[/tex]', '[tex=3.857x1.143]F8sEW7YS30tqPXlGw0pzrQ==[/tex]'], 'type': 102}

设 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 的导数为 [tex=2.286x1.214]vzxi+T3knVWVECsEdF7e8A==[/tex]  则下列选项中是 [tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex] 的原函数的是[input=type:blank,size:4][/input] 未知类型：{'options': ['[tex=3.429x1.143]QqPHrDvQZ1ozUI++kMKBIg==[/tex]', '[tex=3.429x1.143]jVjGI5tiGj2beSpOjr1+8g==[/tex]', '[tex=3.571x1.143]5AJnwz4lMaSgB46X0q69fA==[/tex]', '[tex=3.357x1.143]F8sEW7YS30tqPXlGw0pzrQ==[/tex]'], 'type': 102}

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

【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

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

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 )

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

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。

共有四个站进行CDMA通信，现收到这样的码片序列（-3 +1 -1 -1 +1 +1 +1 -3），则下列站点发送了数据1的是（ ） 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）