【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《最新常用的Z变换公式表教学内容》,欢迎阅读!
序号 1 2 3
拉氏变换E(s)
1
时间函数e(t) Z变换E(z)
1
(t)
ensT 1 s1 s21 s31 s4
1
s(1/T)lna
(tnT)
u(t)
zn z z1Tz
(z1)2T2z(z1)
2(z1)3T3z(z24z1)
6(z1)4
4 t
5
t2
2!t3
3!
6
7
at/T
z
zaz
zeaTTzeaT
(zeaT)2
T2zeaTT2ze2aT
2(zeaT)2(zeaT)3
(1eaT)z
(z1)(zeaT)Tz(1eaT)z
(z1)2a(z1)(zeaT)
8
1
sa1
(sa)21
(sa)3
eat
9
te
at
10
12atte 2
11
a
s(sa)a
s(sa)
2
1eat 1
t(1eaT) aeatebt
(ba)(ca)(ab)(cb)ect
(ac)(bc)
12
13
1
(sa)(sb)(sc)
zz
aT
(ba)(ca)(ze)(ab)(cb)(zebT)
z
(ac)(bc)(zecT)(da)z(db)z
aT
(ba)(ca)(ze)(ab)(cb)(zebT)
(dc)z
(ac)(bc)(zecT)zbczcazaT
z1(ba)(ca)(ze)(cb)(ab)(zebT)abz
(ac)(bc)(zecT)
14
sd
(sa)(sb)(sc)
(da)(db)
eatebt
(ba)(ca)(ab)(cb)
(dc)ct
e
(ac)(bc)1
15
bcca
eatebt
abc(ba)(ca)(cb)(ab)
s(sa)(sb)(sc)abct
e
(ac)(bc)
16
s2
2
sint
zsinT
z2zcosT1
2
17
s
s2
2
cost
z(zcosT)
z2zcosT1
2
18
s2
2
sinht
zsinhT
z2zcoshT1
2
19
s2
2
cosht
z(zcoshT)
z2zcoshT1
2
20
2
s(s22)
1cost
zz(zcoshT)
2
z1z2zcoshT1
21
(sa)
2
2
eaTsinT
zeaTsinT
z22zeaTcosTe2aTz2zeaTcosT
z22zeaTcosTe2aT
22
sa
(sa)22ba
(sa)(sb)a2b2
s2(sa)(sb)
eaTcosT
23
eatebt
b2aTa2bT
ee abab
zz
aT
zezebT
2
abTz(ab)zba2z z
z1(z1)2(ab)(zeaT)(ab)(zebT)
24 abt(ab)
16.10.15
1.当我们正玩得高兴的时候我突然想起了我的奶奶。
When we were playing in great joy, I suddenly remembered my grandma. 2.我们不得不告诉孩子们不要吃太多快餐。
We have to tell children not to eat too much fast food. 3.农民们对于他们秋天的好收成非常高兴。
Farmers are very happy with their harvest in autumn. 4.他太羞愧了以至于不能说出一句话。 He is too ashamed to say a word.
5.我匆忙的赶去机场但是我还是迟到了两个小时。 I hurried to the airport but I was still two hours late. 6.一寸光阴一寸金。(时间就是金钱) Time is money. 16.10.16
1.行动胜于语言。
Action speak louder than words.
2.这个演员是Tom的爸爸的一位好朋友。 The actor is a friend of Tom’s father’s. 3.那个瓶子里没有牛奶。
There is no (not any ) milk in the bottle. 4.不是所有人都认识他。 Not all know him.
5.他们两个都不想成为医生。
Neither of them wants to be a doctor. 6.众所周知,猴子喜欢吃香蕉。
It is known that/As is known, monkeys like to eat bananas.
16.10.17
1.他们已经去过加拿大四次了。They have been to Canada for four times.
2.从我家到学校走路大约四十分钟的路程。It is about 40 minutes’ walk from my home to school.
3.对不起让你等了很长的一段时间。Sorry, I have made you waiting for a long time. 4.在你离开房间之前请关掉灯。Please turn off the lights before you leave the room. 5.我们最好用最少的钱和最少的人来完成我们的工作。
We had better finish our work with less money and fewer people. 6.他喜欢多大号的? What size does he like?
1. 非洲许多人们正在遭受着饥饿和疾病。
Many people in Africa are now suffering from hunger and diseases.
2. 我的洗衣机坏了,它需要修理。My washing machine is out of order and it needs repairing.
3. 这片森林被这场火毁掉了。The forest was destroyed by the fire.
4. 在今天的报纸上有些重要的事。There is something important in today’s newspaper. 5. 在我回家的路上我遇到了我的一个老朋友。 on my way home, I met an old friend of mine.
本文来源:https://www.wddqxz.cn/58e3d9a0ec06eff9aef8941ea76e58fafab045ed.html