皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
关于信号的编码正确的是：（）
A.
模拟信号经过抽样和量化后在时间和幅值上都变成了离散的数字信号，把多电平码转换成二进制码的过程称为编码。
B.
抽样值在时间上是离散的，所以可以直接对抽样值进行编码
C.
在PCM系统中抽样量化值为0则相应的编码值为0
D.
编码可分为线性编码和非线性编码
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】--- Hurry up please, or I'll be late. --- _________
A.
Sorry sir, but the traffic is heavy now.
B.
How can you say that, sir?
C.
Oh, we are going the right way.
查看完整题目与答案
【单选题】When it comes to shopping, the stores here in the United States are often oversupplied because of the competitiveness of American society. There is a great 【C1】______ of choices and brands and de 【C2】...
A.
shops
B.
variety
C.
changes
D.
tips
查看完整题目与答案
【单选题】听力原文：W: Hurry up please, or I'm be late. M: Sorry Ma'am, but the traffic is heavy this time of day. Q: What is the woman doing? (3)
A.
She's taking a bus.
B.
She's walking on a street.
C.
She's on a plane.
D.
She's taking a taxi.
查看完整题目与答案
【单选题】Hurry up please, or we won't ______ the train. [     ]
A.
miss
B.
catch
C.
take
D.
ride
查看完整题目与答案
【单选题】--- Hurry up please, or I’ll be late --- __________.
A.
Sorry sir, bur the traffic is thick now
B.
Well, it’s alright, sir
C.
How can you say that, sir?
D.
Oh, we are going the right way
查看完整题目与答案
【单选题】以职能化管理为核心，在管理分工下实行集权控制，没有中间管理层的企业组织体制是( )组织。
A.
A型
B.
U型
C.
H型
D.
M型
查看完整题目与答案
【单选题】回答下列各题： ·Read the article below about highways in the United States． ·Choose the best word or phrase to fill each gap from A，B，C or D on the opposite page． ·For each question(19-33)，mark one letter(A，...
A.
Although
B.
Since
C.
Because
D.
Therefore
查看完整题目与答案
【简答题】如图所示,编制一个宏程序加工按平行四边形规律分布的孔系零件。已知各孔横向孔距为20mm,纵向孔距为25mm,与X轴夹角为20°,与Y轴夹角为10°,第一孔的中心坐标值为(40,30)。
查看完整题目与答案
【单选题】How does the lawyers in the United States pronounce the “defendant”?
A.
de fendant
B.
defend ant
C.
defen dant
D.
defen dant
查看完整题目与答案
【单选题】—Hurry up please,or I'll belate.—_______
A.
Sorry sir,but the traffic is thick now.
B.
Well,it's alright,sir.
C.
How can you say that,sir?
D.
Oh,we are going the right way.
查看完整题目与答案
相关题目：
【单选题】--- Hurry up please, or I'll be late. --- _________
A.
Sorry sir, but the traffic is heavy now.
B.
How can you say that, sir?
C.
Oh, we are going the right way.
查看完整题目与答案
【单选题】When it comes to shopping, the stores here in the United States are often oversupplied because of the competitiveness of American society. There is a great 【C1】______ of choices and brands and de 【C2】...
A.
shops
B.
variety
C.
changes
D.
tips
查看完整题目与答案
【单选题】听力原文：W: Hurry up please, or I'm be late. M: Sorry Ma'am, but the traffic is heavy this time of day. Q: What is the woman doing? (3)
A.
She's taking a bus.
B.
She's walking on a street.
C.
She's on a plane.
D.
She's taking a taxi.
查看完整题目与答案
【单选题】Hurry up please, or we won't ______ the train. [     ]
A.
miss
B.
catch
C.
take
D.
ride
查看完整题目与答案
【单选题】--- Hurry up please, or I’ll be late --- __________.
A.
Sorry sir, bur the traffic is thick now
B.
Well, it’s alright, sir
C.
How can you say that, sir?
D.
Oh, we are going the right way
查看完整题目与答案
【单选题】以职能化管理为核心，在管理分工下实行集权控制，没有中间管理层的企业组织体制是( )组织。
A.
A型
B.
U型
C.
H型
D.
M型
查看完整题目与答案
【单选题】回答下列各题： ·Read the article below about highways in the United States． ·Choose the best word or phrase to fill each gap from A，B，C or D on the opposite page． ·For each question(19-33)，mark one letter(A，...
A.
Although
B.
Since
C.
Because
D.
Therefore
查看完整题目与答案
【简答题】如图所示,编制一个宏程序加工按平行四边形规律分布的孔系零件。已知各孔横向孔距为20mm,纵向孔距为25mm,与X轴夹角为20°,与Y轴夹角为10°,第一孔的中心坐标值为(40,30)。
查看完整题目与答案
【单选题】How does the lawyers in the United States pronounce the “defendant”?
A.
de fendant
B.
defend ant
C.
defen dant
D.
defen dant
查看完整题目与答案
【单选题】—Hurry up please,or I'll belate.—_______
A.
Sorry sir,but the traffic is thick now.
B.
Well,it's alright,sir.
C.
How can you say that,sir?
D.
Oh,we are going the right way.
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题