皮皮学，免费搜题
登录
搜题
【简答题】
如果需要设计 FIR 低通数字滤波器 ,其性能要求如下: (1) 阻带的衰减大于 35dB, (2)主瓣宽度 小于 p /6. 请选择满足上述条件的窗函数,并确定滤波器 h(n) 最小长度N
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】In "While you listen", the woman asks the man "what do you prefer to do in the holiday (during the day)?", his answer is "_______"
A.
I loves beach holiday.
B.
I think sightseeing is more interesting.
C.
I like adventure holdiay.
D.
I think going to a museum is more interesting.
【单选题】What kind of room do you prefer?
A.
I like big kitchens.
B.
A balcony with an ocean view.
C.
A single room, please.
【单选题】关于刚体的转动惯量，下列说法正确的是
A.
只取决于刚体的质量，与质量的空间分布和轴的位置无关
B.
取决于刚体的质量和质量的空间分布，与轴的位置无关
C.
取决于刚体的质量、质量的空间分布和轴的位置
D.
只取决于转轴的位置，与刚体的质量和质量的空间分布无关
【单选题】What kind of seat do you prefer?
A.
Here you are
B.
A window seat
C.
Thank you very much
D.
I have one
【单选题】— What kinds of movies do you prefer? — I prefer the ones___can give me something to think about.
A.
who
B.
that
C.
whom
D.
what
【单选题】In "While you listen", the women asks the man "what do you prefer to do in the holiday?", his answer is "_______"
A.
I loves beach holiday.
B.
I think sightseeing is more interesting.
C.
I like adventure holdiay.
D.
I think going to a museum is more interesting.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
