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Statement of Purpose

(Statement of Intent/ Personal Statement)示例

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2，5 PS6789:;%<=>?@A的研究BC，DE学FGHIJK/IBC的学LM

3， PS6<=NO的PQR,用S体TU体V,WX4

Sample 1

Y Preface

As a 20-year-old graduate student, I have had the definite academic goal as to be a highly

successful scientist !y undergraduate and !aster-oriented graduate studies have given me

"ell #no"ledge in both $lectronics and Physics $lectronics is the foundation of modern

industry, "hile Physics is the foundation of science !y doctoral graduate study in

$ngineering School of Stanford %niversity, if admitted, "ill be devoted to interdisci&linary

study in about $lectronics, Physics and some other to&ics

Y Past 'ears

!y &arents had enlightened me since I "as born (ith strong desire to study I entered the

 &rimary school "hen )-year-old and finished its *-year &rogram in ) years I studied hard and

entered the high school "hen I "as 10 and finished the *-year &rogram in + years In my high

school years I "as very interested in mathematics and &hysics, and obtained many honors inrelated contests Si years ago, I, a 1+-year-old boy, enrolled in the S&ecial lass for .ifted

hildren S. at %niversity as the youngest student S. is the most selective and

com&etitive class in %niv, yet I #e&t the highest .PA and "as the monitor of the class

he aim of S. is to give the young gifted students formal and strict training in

mathematics and &hysics that is more advanced than that of normal undergraduate students

!y study at S. besto"ed me a com&etitive s&irit to"ard challenges and an intense

curiosity in $lectronics

I too# s&ecialied study in the 4e&artment of $lectronics at %niv, the only de&artment

founded for 5s!a6or in hina I also too# &hysics ma6or coursed in the Physics 4e&artment,

many of them "ere taught in $nglish and used the best boo#s (ith the &hysics foundation I

received, it "as easier for me to gras& the essential conce&ts in 5s!a6or and faster my study I

"as the first student "ho finished the +-year undergraduate &rogram in 3 years Although the

grading system is strict, my .PA "as to& 1among )0 students !y under-graduate study

 brought me many honors, such as the 7ua"ei Prie, a"arded to 8most brilliant and diligent9

students only In 2000 I "as among the 10 8most ecellent9 university students "ho received

(usi Prie In 2001 I graduated from %niv "ith the 5achelor of $ngineering degree, I

"on the honor 8!ost :utstanding .raduate9 that is a"arded to to& 1; students only

(ith the intention of studying further Physics in an a&&lied vie"&oint, I enrolled in the

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4e&artment of Physics at %niversity4  .raduate study here em&hasies inde&endent

learning and research, and I tried to study Physics using my #no"ledge in 5s!a6or 5esides

the course study in the first year, I studied by myself much #no"ledge in !s!a6or and

5s!a6or, and engaged in research &ositions in several different grou&s I &artici&ated in many

e&erimental and theoretical research &ro6ects and en6oyed the %<I scholarshi& as "ell asmany other &ries for my research I tried to include etensive research to&ics in my graduate

research, ranging from this to that I have had much e&erience to do inde&endent research

"hile coo&erate "ith others closely I "ill get the !aster of Science degree in =une 200+ "hen

I am 20 years old

Y >esearch A&titude

A successful scientist is firstly a successful researcher In vie" of this, I have &articularly

noticed to develo& my o"n ability of inde&endent learning and research in my &ast years of 

study in &hysics and engineering science I have had research e&eriences in various fields,

such as mesosco&ic &hysics, condensed matter theories and e&eriments, o&tical &hysics, laser 

technology, ?uantum o&toelectronics and microelectronics It is in my done inde&endent "or# 

that I felt for the first time the thrill of discovering things #no"n to no one else in the "orld

!y research career started from the &ro6ects of o&toelectronic device design and o&tical fiber 

communication under the direction of Prof 4e @iu, hair of the de&artment of electronic

engineering at %niversity I studied the band structures of o&toelectronic materials and

the setu& of lo"-loss o&tical am&lifiers I a&&lied "ell the &hysical conce&ts I #no" to

o&toelectronics in these &ro6ects and designed the &ractical fiber communication system !y

 &erformance enabled me to be among a fe" ecellent students "ho "ere admitted to 6oin the <ational @aboratory of @aser echnology he ice director of this lab, Prof Bhenhua @u,

instructed me to do research in high-&o"er laser radiation and interaction "ith matter his

research resulted in my $cellent 5achelor degree dissertation and a number of honors refer 

to my resume &lease as "ell as nice a&&lication to the &erforation techni?ues he C months

at this lab game me a com&rehensive training in laser technology, including e&eriments in

laser s&ectrosco&y and various #inds solid-state, gas, semiconductor, etc of lasers

!y study in ?uantum electronics continued after I arrived to %niversity I too# the

course D@aser echni?ue and A&&licationE and my 8A9 score brought me access to the

 <ational Integrated :&tics @aboratory, "here I trac#ed the ne"est &rogresses in

o&toelectronics Particularly I too# study in high-s&eed o&toelectronics and o&tical "ave

guides I "as an assistant engineer at the 7ua(ei echnology o @td Shenhen, hina in

summers of 1CC) and 1CCF the research I did there in @SI design and microelectronics is

 &art of the related <ational &ro6ect I have been a research assistant in a&&lied electronics,

system science, and electrical engineering under the direction of Prof Giang Gian 7e gave

me systematic training to do com&le e&eriments I tried my best to a&&ly my &hysics

#no"ledge to these e&eriments and arrange things in order

(hile my research in o&tics and electronics "as in &rogress, I &aid more attention tocondensed matter &hysics for my !aster degree thesis, "hich "ill include t"o main sub6ectsH

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mesosco&ic &hysics and &hysics of nanoscale materials I read many references in the field of 

trans&ort and coo&erative &henomena in lo"-dimensional systems I learned by myself the

standard methods to analye highly correlated ?uantum many-body systems, including the

renormaliation grou& method and the random matri method !y advisors, Prof Gi-Sun 'e

and Prof =i-=iong ia, encourage me to study solid-state &hysics, I did much "or# inmesosco&ic &hysics at the ''' @aboratory %niv under the direction of Prof 5ei-'i

ang I studied the trans&ort &henomena, single-electron transfer, strong electron-electron

interaction, and &ersistent currents in mesosco&ic systems 5eing very interested in studying

 &ro&erties of carbon s and other &romising ne" nanoscale materials, I studied the

electronic trans&ort &henomena in carbon s and the im&act of im&urities A recursive

.reens function method is set u& to analye such lo"-dimensional systems I also did many

e&eriments in s&ectrosco&ic determinations of trans&ort in nanostructures, and fabrication of 

carbon/boride/nitride s :ther to&ics I studied include ?uantum interference effects,

 &hysics of ?uasi&eriodic series, fractional ?uantum 7all effects, electronic "ave scattering on

su&erconductor surfaces, etc my research in highly correlated systems, ?uantum dots, and

?uantum "ell o&tics is no" in &rogress !y s&ecialied #no"ledge in biomembrane &hysics

comes from the research disci&line I received at the 5io&hysics @aboratory

!y &ast research e&eriences has given me an un"avering s&irit to overcome difficulties I

might face in the future %& to no", I have &artici&ated in 3 national research &ro6ects, and

have "ritten F &a&ers in the &ast one year As I am very young, I am mostly interested in

doing im&ortant research "or# "ith my vigor and creativity in science I "ish to go ahead and

study further fundamental &hysics &roblems that have nice a&&lication &ros&ects

Y Pros&ects at Stanford

he 4e&artment at Stanford attracts me as my best choice to do doctoral research in the

area bet"een &hysics and electronic engineering Stanford %niversity ran#s the first in

electrical engineering, and has <obel laureates in &hysics for three consecutive years (hat

attracted me more is that my ma6or research interests have a good match to so many Stanford

faculty members It is indeed stimulating to find the o&&ortunity for ne" students to 6oin at

once the first-class research &ro6ects at Stanford (ith my &ast research e&erience, I am

confident that under the direction of distinguished Stanford &rofessors, my &otential can

develo& into advanced #no"ledge and ability in If &ossible, my main interest in the

future "ill be focused on lasers and ?uantum electronics, condensed matter &hysics theory

and e&eriment, and bio&hysics at Stanford In these areas, I have been familiar "ith the first-

class research "or# done by corres&onding Stanford &rofessors, and "illing to do further 

research under their direction As a tentative list, my bac#ground in solid-state &hysics, o&tical

 &hysics and electronics seems &erfectly fit these research to&ics at StanfordH

Z,[\;]/^_专业`ab的cd，e>?e具体e8f

g ondensed !atter PhysicsH synthesis of ne" materials and study of electronic structures,

mesosco&ic &hysics, nanometer-scale science, trans&ort &henomena, cryogenic &hysics,

 biomembrane &hysics, su&erconductors, correlated systems, ?uantum 7all effect, etc

g @aser technologyH solid-state laser devices, laser s&ectrosco&y and laser &hysics,?uantum electronics, G$4 theory of microcavities and tra&&ed atoms, ultrafast lasers,

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nonlinear o&tics, lasers "ithout &o&ulation inversion, laser biomedicine, etc

g J

hese to&ics are only the to&ics "ith "hich I have been very familiar As I have already had

various research e&eriences, if you feel that I am more suited for some other to&ics, I "ould

li#e to ta#e endeavors in them as "ell I feel that I am ?ualified to study Physics boththeoretically and e&erimentally It is my &lan to engage in research at Stanford, and &re&are

for myself both the most advanced theoretical methods and the ne"est e&erimental s#ills in

Physics I "ish to be a recognied versatile researcher u&on graduation from Stanford "hen I

am roughly 2* years old I "ill then ta#e my best efforts to contribute to the advancement of 

$lectronics and Physics his is my dream as a successful scientist, and I "ish to actualie it

ste& by ste& at Stanford

SignatureKKKKKKKK 

4ateKKKKKKKKK 

Sample 2

P$>S:<A@ SA$!$<

Y PAS '$A>S

5orn in , 1C, I gre" u& in , a &retty old city famous for its &rivate gardens and

natural river systems in Province Le" cities in hina, or even in the "orld, can match it

in the cultural richness and history he uni?ue architectural style - "hite"ashed "alls "ith

dar# gray tiles and the "inding broo#s create a fascinating scene and gave me indelible

im&ression Although I lived there only my childhood and most &art of the old city are under 

reconstruction today, I still often recall the little &aths &aved "ith bluish &ebbles, the old

houses beside the rivulets, and es&ecially, those beautiful e?uisite gardens in my mind his

e&erience fostered my first, though naive, understanding to"ard urban and architecture

@ater I moved to 5ei6ing "ith my family As a contrast to , 5ei6ing is a big city "ith

many ne" buildings, most of "hich are of modern styles 7ere one can see clearly the im&act

 bet"een old and ne", eastern and "estern culture Also in this &eriod, I began to interest in

dra"ing hrough ) years eercise of hinese &ainting, not only did I "on many honors

both national and international, some of my "or# "as ehibited by %<$S: in 1CM3 , but

"hat "as more im&ortant, I got to realie that there are &rofessions of creative "or# that calls

for imagination and craftsmanshi&

%<4$>.>A4%A$ S%4'

(ith the interest to"ard creative art, I chose architecture design "hen I graduated from

senior middle school in 1C I entered the 4e&artment of Architecture in %niversity,

the leading institute of this #ind in hina, "ith an outstanding record in the highly

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com&etitive <ational %niversity $ntrance $amination

At %niv, I "ent through five years of vigorous training and thus ac?uired e?uisite

s#ills in dra"ing and design 4uring the course designs, I got to familiar "ith many modern

architecture theories and tried to synthesie the understanding of s&ace and environment inmy early years "ith these modern thoughts his &rogress "as reflected in t"o &ro6ects I too# 

 &art in - the >esidence Area of 7igher $ducation 5ureau and the ollege of Science,

%niversity In those designs, I successfully solved the &roblems of environment,

contet and s&ace arrangement !ean"hile, I learned ho" to coo&erate "ith colleagues and

communicate "ith the client effectively

At the same time, I further develo&ed my interest in various #inds of art such as music,

 &ainting, &lanar design, advertisement, animation, and so on All of them, "hether classic or 

modern, native or foreign, hel&ed me understand different cultures com&rehensively

In 1C, I got my 5achelorNs 4egree in Architecture "ith ecellent record to& 1); among

some M0 students , and entered graduate &rogram in the same university

.>A4%A$ >$S$A>7

After the first year core course of graduate study, I received a .PA of 3F and ran#ed the 2nd

among the graduate class of more than +0 students, "ho "ere all very smart and diligent and

entered our graduate &rogram through highly com&etitive eaminations

In choosing my research to&ic, I realied that although architecture design is a #ind of 

imaginative and creative "or# as defined as an art, it calls for rigorous scientific a&&roach at

the same time Lurthermore, itNs also im&ortant to combine modern technology and science

"ith architecture design In order to develo& my scientific mode of thin#ing, I decided to do

some research "or# that can fulfill these re?uirements !y graduate research "as engaged in

the acoustic and interior design of heater 7ere I learned systematic research method

and develo&ed the ability of "or#ing inde&endently In the acoustic model test, not only did I

hel&ed the "or#ers in ma#ing the model, but also installed the "hole set of instrument for 

the e&eriment and finished the test "ith satisfying result all by myself hrough these

research and design &ractice, I learned ho" to integrate art "ith science, and my

understanding to"ard architecture and technology "ent one ste& further in the &rogress

All these e&eriences had left an indelible mar# on my intellectual develo&ment <o" I feel

confident of my s#ill of design and doing relative research and can a&&reciate a societyNs

culture, "hich is also reflected in its architecture 5ut I feel it still im&ortant for me to reflect

my o"n cultural and social bac#ground in my o"n designs more s#illfully, and "ith

advanced methods I am convinced that the further develo&ment of my &rofessional

?ualifications re?uires more advanced training li#e yours, and the advanced study under your 

seasoned guidance "ill endo" me "ith a broader vision and more &rofound insights I also believe that I am "ell ?ualified for entering your graduate study, my e&erience and broad

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interest "ill definitely ma#e a considerable contribution to your &rogram

I<$< :L S%4'

Although one can say its develo&ment is fast indeed, the &roblems related to architecture areserious in hina Lor instance, 5ei6ing, "hich is defined as a modern metro&olis, is losing its

feature If you come to visit the hangNan Street, the central area of 5ei6ing, youNll find

unreasonable large-scale buildings and constructions "ith different styles standing beside the

street, fe" of them has good relationshi& "ith the overall environment and their neighbors

his is because many designers hadnNt ta#en environment into account, and also many lac# 

the ability of solving com&le &roblems in such im&ortant area

o change the current unsatisfying situation, I feel it necessary for me to learn more advanced

method and s#ills in design If &ossible, my ma6or interest "ill reside in the research of the

relation bet"een architecture design and environment, culture, human behavior and

 &sychology hat is, ho" architecture design can create cheerful environment and living

condition for &eo&le, through "hat means can ne" construction get along "ith eisting ones

and fulfill the re?uirements of &roviding good environment for civilian, and ho" can

architecture design reflect a societyNs cultural bac#ground

(ith my broad interest and #no"ledge in culture and art, together "ith my academic

e&eriences and record, I believe I can accom&lish the research "or# &erfectly It is an

architectNs res&onsibility to &rovide amenity and convenience for &eo&le hrough the study

and research in your grou&, I ho&e I could be a ?ualified designer and master the advancedmethods and ideas about architecture, s&ace, environment and culture, thus can im&rove the

condition for the &eo&le in hina

A&&licantH

SignatureH

4ateH

Sample 3

!y name is I "as the youngest child in a "ell-educated family !y &arents are both

engineers and my mother began to teach me hinese &oems "hen I "as still a little boy As

time "ent by she not only inculcated #no"ledge to me but also instructed me ho" to be an

honest, u&right, sym&athetic &erson I must sho" my res&ect and ac#no"ledgement to her for 

"hat she has done for me If there "as a little achievement on my career u& to no", she is the

first one I should send my than#s for

5efore entering %niversity I had first studied in 5ei6ing middle school here, "hen I

"as 6ust 10 years old in 1C00, I too# &art in SA-! and scored F+0 only 1out of 10,000 of 

my agemates in %SA met the criterion of getting F00 or more I "as a"arded as

8!athematically Precocious 'outh9 by the S!P' of =ohns 7o&#ins %niversity in the same

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year :ne year later, at my age of 11, I came to the 8'outh lass9 in 5S%niv Ounming,

hina and began my undergraduate studies !y undergraduate advisor "as Professor 

!inhong 'u standing member of eecutive committee of hinese Society of om&uter 

Science 7e has also been the advisors of =iguang 7uang hang Shaoyun Giu "ho by no" are

 both "ell-#no"n young scholars and ecellent Ph4 holders from Stanford %niversity After five academic years in Ounming, I entered %niversity, one of the best universities in

hina and continued my study under the direction of Professor member of hinese

Academy of Sciences I e&ect to get my !asters degree of $ngineering in !arch 1CCC

I have been ma6oring in om&uter Science throughout recent years It can be seen from the

develo&ment and tendency of this sub6ect that om&uter Science may ehibit its great vitality

only "hen it combines "ith mathematics I "ish to "or# in the area bet"een com&uter 

science and mathematics, one of the most &romising areas in the future he research activity

in mathematics and com&uter science at Stanford is the most famous in the "orld, there are

many celebrated scholars from these t"o areas "or#ing together at Stanford As &oint out by

Professor 5ill .ates, an ideal talent must be &roficient in both com&uter science and

mathematics those "ho ma6or in com&uter science should #no" mathematics and vice versa

hat is "hy I am a&&lying for Ph4 study in the famous com&utational mathematics &rogram

at Stanford I "ish to study and "or# in such a to&-level grou& I "ish to enhance my

#no"ledge in mathematics, "hile my strength in com&uter science is also a big asset for a

mathematics researcher I "ish to be the #ind of talent &roficient in both com&uter science

and mathematics as described by Professor 5ill .ates

4uring recent three years, I have "or#ed in the area bet"een S and mathematics already Ihave studied many elementary coursed of mathematics by myself these coursed are listed in

my resume, and I have tried to integrate them "ith my #no"ledge in S during my

researches In my undergraduate &rogram, I have successfully combined the ideas from

economics, mathematics and S together and a&&lied them on com&uter-based &rediction of 

stoc# mar#et he e&eriment I have done had received high comments from an %S &rofessor 

and no" is the basis of a big research &ro6ect on Smart !oneyma#er in hina !y graduate

 &rogram is the constitutive studies of ((( home&ages I have read a lot of &a&ers about the

mathematics and &hysics of ((( home&ages during this research, and got many

ins&irations from my mathematics #no"ledge Lrom these ins&irations I have made some

creative &rogresses in my a&&roach that "ere highly &raised by my advisor and other 

 &rofessors in our grou& hese achievements in included a ne" set of this method, the

utiliing of that theory to describe the evolution of a to&ic, and the a&&lication of the

ma#e&o"er theory to solve the lac#&o"er &roblem In these "or#s, I have develo&ed my

s#ills to find, analye and solve &roblems, and I am sure I can continue my doctoral studies in

the area bet"een S and mathematics "ithout difficulty

In the future, I ho&e I can engage in the researches on mathematical behaviors of com&uter 

soft"are I "ish I can reveal the course of the com&ile and failure of soft"are through an

integrated human-#eyboard-screen analysis his is a big challenge for scientists andcurrently has not been "ell solved he Ph4 study at Stanford %niversity "ill give me the

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indis&ensable education in materials science and enlarge my #no"ledge in mechanics, as "ell

as enhance my ability to integrate these t"o areas, "hich can ensure me the strength to face

this challenge

I am truly interested in Science and $ngineering, though I #no" that the study in to&universities li#e Stanford "ill be hard and the re"ard may not al"ays be obvious 5ut I am

still "illing to enroll in Stanford because the Ph4 study in $ngineering Science at Stanford

"ill give me a systematic training in both Science and $ngineering, and can hel& me realie

my dream I have met Professor 5ill .ates in 5ei6ing in this Se&tember, his introduction

about Stanford and encouragement to me confirmed my "ish of entering your de&artment I

must sho" my gratitude to Professor .ates for his #ind hel&

!y undergraduate advisor, Prof !inhong 'u has named me as one of his three most

outstanding students he thin#s that I am com&arable "ith =iguang 7uang and Shaoyun Giu I

also admire them very much and ho&e maybe one day, I can come u& to or even eceed their 

achievements o realie this, I must go through the same "ay as they did, that is, getting the

Ph4 degree from Stanford should be my first ste& Stanford is the best university in the

"orld and Stanford &eo&le have &layed im&ortant roles in S I had been dreaming of study

in Stanford since my childhood It "ill be the biggest honor for me if I can have the chance to

study in Stanford and "or# "ith so many "orld-famous scientists <o matter ho" much

interest other institutes may sho" to me, Stanford %niversity "ill be my first choice forever

I "ould be the most glad if I can be admitted by Stanford %niversity han#s

Sincerely yours,