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smith史密斯圆图(个人总结)

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-02-26 17:27
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2021年2月26日发(作者:humorous)


promotion of empl


oyment, form a rea


sonable a


nd


orderly


pattern of i


ncome distri


buti


on,


bui


ld a more fair a


nd sustai


nable


social se


curity


systems, medi


cal and health system reform. T


he pl


enar


y, innovati


on of soci


al governance, must focus on the mainte


nance


of


fundame


ntal interest


s of the


overwhelming majority of the


pe


ople, maximize fact


ors, e


nha


nce


social development, impr


oving soci


al governance, the i


nterests


of national se


curit


y, e


nsure t


hat the


people live a


nd w


ork, soci


al stabil


ity and


orde


r.


o improve social gover


nance, stimulati


ng social


organizati


on, i


nnovative and effective system of preventing


and resolvi


ng social


conflicts, impr


oving t


he publi


c se


curity system,


set up the


National Security Council


, national security systems and nati


onal


se


curity strategy to e


nsur


e national security.


Plenary


sessi


on, the


construction of ecologi


cal civ


ilization, you must esta


bli


sh systems


of ecol


ogical system, using the system to


protect t


he ecologi


cal e


nvironme


nt.


o improve natural


resour


ces asset property right system a


nd use control, red li


ne of delimitation of e


col


ogical


protecti


on, re


sources


paid


use system a


nd e


col


ogical


compensati


on sy


stem in ecologi


cal envir


onme


nt prote


ction management sy


stem reform. Plenary


sessi


on, ce


ntering on building a liste


ning part


y comma


nd, can wi


n and havi


ng a fine style of the pe


ople'


s army, a strong army under the


new sit


uation of the


party Goal


s, restricti


ng the


development of nati


ona


l defense and army buil


ding i


s solve


d outstanding


contra


dicti


ons a


nd


problems, i


nnovati


on a


nd


development of military the


ory, enhance milit


ary strategic guida


nce, improve t


he military strategy in the


new


period, building a modern military force system with


Chi


nese


chara


cteristics.


o dee


pen t


he adjustment of


personnel system reform in the army, military


poli


cy and system reform, prom


ote the development of military and civi


lian integration de


pth.


Plenary session


stresse


d that compre


hensive reform must be to


strengthen a


nd impr


ove the


party's leader


shi


p, give full play to the core r


ole of the


party commands t


he overall sit


uation and coordi


nating all parties, impr


oving the


party's leadi


ng water ...


Margin.


Challe


nged t


he leadershi


p of the Communi


st Party of Chi


na, Marxi


sm- Leni


nism and Mao Ze


dong thought by


Deng


Xiao


-pi


ng's fla


g, replace


d by thre


e representatives and the


harmonic societ


y.


The former Communist Party spirit and


social cohesi


on


poi


nt of almost all politica


l makeover.


Chara


cteristics


of socialism publi


c ow


nership is


shifting to


private ow


nership,


planned reg


ulation and market regulati


on, t


he pr


oletari


an regime controlle


d by the elite. Of univ


ersal equality, fairness a


nd


basi


c principl


es of distri


buti


on sy


stem is socialist societ


y, however after economic monopolize


d by powerful, ve


sted interest


s grow


employers


do


not have t


he same status, har


dly se


ems fair socia


l distri


buti


on.


State key protection


of capital i


nterests rather tha


n the i


nterests of citizens, had


bee


n hits the bott


om of the prol


etariat


smith chart


史密斯圆图总





史密斯圆图


(Smith


chart )


是一款用于电机与电子工程学的圆图,是最著名和最广泛的用


于求解传输线问题的图解技术。


主要用于传输线的阻抗匹配上。


一条传输线


(transmission line)


的电阻抗 力


(impedance)


会随其长度而改变,要设计一套匹配


(matching)


的线路,需要通过不

少繁复的计算程序,史密斯圆图的特点便是省却一些计算程序。


< br>Smith


圆图的构成:等反射系数圆、阻抗圆图、导纳圆图。

< br>


史密斯圆图的基础在于以下的算式



Γ= (Z


- 1)/(Z+ 1)


Γ


代表其线路的反射系数


(reflection coef ficient)




S-param eter


里的


S11



Z


是归一负载


值,即


ZL / Z0


。当中,


ZL


是线路的负载值



Z0


是传输线的特征阻抗值,通常会使用


50Ω




圆 图中的横坐标代表反射系数的实部,


纵坐标代表虚部。


圆形线代 表等电阻圆,


每个圆


的圆心为


1/(R +1),


半径为


R/(R+1).R


为 该圆上的点的电阻值。



中间的横线与向上和向下散出的线则代 表阻抗的虚数值,


即等电抗圆,


圆心为


1/X,


半径



1/X.


由于反射系数是小于等于


1


的,

所以在等电抗圆落在单位圆以外的部分没有意义。



中向上 发散的是正数,向下发散的是负数。



圆图最中间的点


(Z=1+j0,


Γ=0)


代表一个已匹配


(matched)

< br>的电阻数值


(



ZL=Z0




Z



1)


,同时其反射系数的值会是零。圆图的边缘代表其反射系数的幅度是


1


,即


100%


反射。



在图边的数字代表反射系数的角度

< br>(0-180



)


< p>



有一些圆图是以导纳值


(admittance)


来表示,把上述的阻抗值版本旋转


180


度即可。



< br>圆图中的每一点代表在该点阻抗下的反射系数。


该电的阻抗实部可以从该电所在的 等电


bvi


ousl


y, face


Chi


na's Socialist sy


stem, the Communi


st Party is not the


party.


In that


case,


politi


cal chaos ha


s bee


n very tight. Is remodeling


or reconstr


ucti


on, i


s a correction or a


stove.


Whet


her to tur


n right


or left, is ba


ck to the source


or p


ut forward


new political i


deas.


This is to determine the r


oad pr


obl


ems in China, is al


so the key out


of the de


ep water


of the reform of the e


conomic sy


stem.


After 18, the new Ce


ntral coll


ective lea


dership attaches great importance to


politi


cal orie


ntation.


First, the


cles


ng point, starti


ng from the Ce


ntral


Governme


nt's self


-re


straint, whi


ch


prea


ches a


nd


pro-image, br


oug


ht fresh feeling to t


he communit


y.


Secondly,


before reform and openi


ng up and reform and openi


ng two


periods after non


-negative,


untyi


ng the tangl


e of the soci


ety a long time on t


his issue. Third, a ne


w generation of part


y leaders on various


occasions to


Mao Ze


-Dong a


nd Ma


o Ze


-Dong's thoug


ht of evaluati


on has room for manoe


uvre,


throug


h to the r


uling i


deol


ogy of Ma


o Zedong thought, i


s the


call of the soul t


o the S


ocialist Revol


ution and constr


ucti


on. Empty talks jeopardize


national interest


s and try again, is a


n affirmation of De


ng Xia


o-ping's reform i


deas.


These strong politica


l signal


showing a


new ge


neration


of poli


tical leader


s is still kee


ping to t


he Socialist roa


d.


Four is revisiting t


he


o Ze-Dong's hi


storical


cycle


of


ofile anti


-corrupti


on a


nd t


he importa


nce


of the Constit


ution, reorga


nization is ba


d style of official


dom, wa


s to civ


ilize people obey the la


w


, w


hile impr


oving the col


or change of the regime of vigila


nce.


Five is to reform into dee


per waters a


nd stressed t


hat top-level


design, this i


s a review on the reform and openi


ng up in t


he past, i


s also look


ing for a way out.


Six foreign and Russia cl


oser, the flexibl


e attitude


on the issue of the


Korea


n pe


ninsula


, Sino


-Japane


se fishi


ng har


dli


ne China


on the island out of the


nt


ow pr


ofile sha


dow bega


n to gradua


lly pla


n


development. Signs show that t


he new l


eadership


began t


o make a left turn in politics.


However, as of right now, not only ide


ologi


cal confusi


on i


n the


community, the new lea


dership's t


hinki


ng is messy. Ne


w leader


s bot


h stresse


d the


need t


o implement t


he Constituti


on, stresse


d the n


eed t


o turn off the


power i


n a cage. Al


so stre


sses that Mao Zedong t


hought ca


nnot be lost, 30 years after the reform and openi


ng up 30 years ago


can


not deny each ot


her.


Bot


h advocate dem


ocracy a


nd rele


ase


n does not speak


of


cal constraint


s. Neit


her de


ny the


history of the


CPC Central Committee on several issues ...


Comrades: today


brings t


ogether member


s, mainly in


order to


provi


de a platform to Exchange a


nd lear


n from each


other i


n order t


o facilitate our work. Just now, we focus


on taxation, pla


nni


ng and stabilit


y, safety,


proje


ct constr


uction, typi


cal topics


such as


private facts prese


ntation and interact


on, and towns currently exist in the in- de


pth a


nalysis


of the problems to


be solved, to ex


plore


new methods t


o solve t


he pr


oblem. It


can


be sai


d that summing


up t


he achievement,


no grandstanding


; analy


sis

-


-


-


-


-


-


-


-



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