【单选题】序列x1(n)的长度为4,序列x2(n)的长度为3,则它们的线性卷积的长度为( )。
【简答题】根据句意、英文解释或汉语意思完成单词的拼写 1. Tea was discovered by______________(意外). 2. Do you____________(not forget) where you left your purse? 3. I live_____________( very near) to the shop. 4. I often_________( slee...
【简答题】2016英语专八改错练习题二十六第2小题如何解答?I can get up when i like and go to bed when i like." That of course was an exaggeration, and i soon found that whenever you have an aim you must sacrifice something of ...
【简答题】2016英语专八改错练习题二十六第8小题如何解答?It was until quite late in life that i discovered how easy it was __8__to say:"i don't know." i find with middle age no one expects me to walk twenty-five miles
【简答题】英译汉 下划线部分短语 1 Nature had endowed the rest of the human race with a sixth sense and left me out. 2 Sometimes, exalted by his own oratory , he would leap from his desk and hustle us outside into a hide...
【单选题】序列x1(n)的长度为5,序列x2(n)的长度为4,则它们线性卷积的长度为( )。
【简答题】英译汉: But I also discovered that cultures are as resourceful, resilient, and unpredictable as the people who compose them.
【判断题】通常主食面包的吸水率比各种花色面包要高些。( )