产生线性调频连续波，并分析其频谱，运用频域匹配滤波器

线性调频信号LFM信号模拟仿真四个回波信号加载高斯白噪声，经匹配滤波脉冲压缩MTI、MTD处理。

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原则英文版，总页数为586页，是完整的，此版本是我付费在别的网站上下载的ThankyoufordownloadingthisSimonSchusterebookGetaFreeebookwhenyoujoinourmailinglist.Plus,getupdatesonnewreleases,dealsrecommendedreads,andmorefromSimonSchusterClickbelowtosignupandseetermsandconditionsCLICKHERETOSIGNUPAlreadyasubscriber?Provideyouremailagainsowecanregisterthisebookandsendyoumoreofwhatyouliketoread.YouwillcontinuetoreceiveexclusiveoffersinyourinboxPRINCIPLESRAYDALIOsiMonSCHUSTERNEWYORKLONDONTORONTOSYDNEYNEWDELHIPARTIW豆EREIMCOMIINGFRON1MyCalltoAdventure:1949-19672CrossingtheThreshold:1967-19793MyAbyss:1979-19824MyRoadofTrials:1983-19945TheUltimateBoon:1995-20106ReturningtheBoon:2011-20157MyLastYearandMyGreatestChallenge:2016-20178LookingBackfromaHigherLevelPARTIILIFEPRINCIPLES1EmbraceRealityandDealwithIt2Usethe5-StepProcesstoGetWhatYouWantOutofLife3BeRadicallyOpen-Minded4UnderstandThatPeopleAreWiredVeryDifferently5LearnHowtoMakeDecisionsEffectivelyLifePrinciples:PuttingItAllTogetherSummaryandTableoflifePrinciplesPARTIIIWORKPRINCIPLESSummaryandTableofWorkPrinciplesTOGETTHECULTURERIGHT1TrustinRadicalTruthandRadicalTransparency2CultivateMeaningfulWorkandMeaningfulRelationships3CreateaCultureinWhichItIsOkaytoMakeMistakesandUnacceptableNottoLearnoem4GetandStayinSync5BelievabilityWeightYourDecisionMaking6RecognizeHowtoGetBeyondDisagreementsTOGETTHEPEOPLERIGHT7RememberThattheWHOIsMoreImportantthantheWhat8HireRight,BecausethePenaltiesforHiringWrongAreHuge9ConstantlyTrain,Test,Evaluate,andSortPeopleTOBUILDANDEVOLVEYOURMACHINE10ManageasSomeoneOperatingaMachinetoAchieveagoal11PerceiveandDon'tTolerateproblems12DiagnoseProblemstoGetatTheirrootcauses13DesignImprovementstoYourMachinetoGetAroundYourProblems14DoWhatYouSetOuttodo15USeToolsandProtocolstoShapeHowWorkIsDone16AndforHeaven'sSakeDontOverlookGovernanceWorkPrinciples:PuttingItAllTogetherACKNOWLEDGMENTSABOUTTHEAUTHORCONCLUSIONAPPENDIX.TOOLSANDPROTOCOLSFORBRIDGEWATERSIDEAMERITOCRACYBIBLIOGRAPHYINDEXToBarbara.thehalfmewhohasmademewholeformorethanfortyyearsINTRODUCTIONBeforeibegintellingyouwhatIthink,IwanttoestablishthatI'ma"dumbshit'whodoesntknowmuchrelativetowhatineedtoknowWhateversuccessI'vehadinlifehashadmoretodowithmyknowinghowtodealwithmynotknowingthananythingIknow.ThemostimportantthingIlearnedisanapproachtolifebasedonprinciplesthathelpsmefindoutwhat'strueandwhattodoaboutitI'mpassingalongtheseprinciplesbecauseiamnowatthestageinmylifewhichIwanttohelpothersbesuccessfulratherthantobemoresuccessfulmyself.Becausetheseprincipleshavehelpedmeandotherssomuch,Iwanttosharethemwithyou.It'suptoyoutodecidehowvaluabletheyreallyareandwhat,ifanythingyouwanttodowiththemPrinciplesarefundamentaltruthsthatserveasthefoundationsforbehaviorthatgetsyouwhatyouwantoutoflife.TheycanbeappliedagainandagaininsimilarsituationstohelpyouachieveyourgoalsEveryday,eachofusisfacedwithablizzardofsituationswemustrespondto.Withoutprincipleswewouldbeforcedtoreacttoallthethingslifethrowsatusindividually,asifwewereexperiencingeachofthemforthefirsttime.Ifinsteadweclassifythesesituationsintotypesandhavegoodprinciplesfordealingwiththemwewillmakebetterdecisionsmorequicklyandhavebetterlivesasaresult.Havingagoodsetofprinciplesislikehavingagoodcollectionofrecipesforsuccess.Allsuccessfulpeopleoperatebyrinciplesthathelpthembesuccessful,thoughwhattheychoosetobesuccessfulatvariesenormouslysotheirprinciplesvarTobeprincipledmeanstoconsistentlyoperatewithprinciplesthatcanbeclearlyexplained.Unfortunately,mostpeoplecantdothat.Andit'sveryrareforpeopletowritetheirprinciplesdownandsharethemThatisashame.IwouldlovetoknowwhatprinciplesguidedAlbertEinstein,SteveJobsWinstonChurchill,LeonardodaVinci,andotherssoIcouldclearlyunderstandwhattheyweregoingafterandhowtheyachieveditandcouldcomparetheirdifferentapproaches.I'dliketoknowwhichprinciplesaremostimportanttothepoliticianswhowantmetovoteforthemandtoalltheotherpeoplewhosedecisionsaffectme.Dowehavecommonprinciplesthatbindustogether-asafamly,asacommunity,asanation,asfriendsacrossnations?O1dowehaveopposingprinciplesthatdivideus?whatarethey?letsbespecificThisisatimewhenitisespeciallyimportantforustobeclearaboutourprinciplesMyhopeisthatreadingthisbookwillpromptyouandotherstodiscoveryourownprinciplesfromwhereveryouthinkisbestandideallywritetheedown.Doingthatwillallowyouandotherstobeclearaboutwhatyourprinciplesareandunderstandeachotherbetter.Itwillallowyoutoretinethemasyouencountermoreexperiencesandtoreflectonthem,whichwillhelpyoumakebetterdecisionsandbebetterunderstoodHAVINGYOUROWNPRINCIPLESWecomebyourprinciplesindifferentways.Sometimeswegainthemthroughourownexperiencesandreflections.Sometimesweacceptthemfromothers,likeourparents,orweadoptholisticpackagesofprinciples,suchasthoseofreligionsandlegalframeworksBecauseweeachhaveourowngoalsandourownnatures,eachofusmustchooseourownprinciplestomatchthem.Whileitisntnecessarilyabadthingtouseothers'principles,adoptingprincipleswithoutgivingthemmuchthoughtcanexposeyoutotheriskofactinginwaysinconsistentwithyourgoalsandyournature.Atthesametime,you,likeme,probablydontknoweverythingyouneedtoknowandwouldbewisetoembracethatfact.Ifyoucanthinkforyourselfwhilebeingopen-mindedinaclearheadedwaytofindoutwhatisbestforyoutodo,andifyoucansummonupthecouragetodoityouwillmakethemostofyourlife.Ifyoucantdothat,youshouldreflectonwhythatis,becausethat'smostlikelyyourgreatestimpedimenttogettingmoreofwhatyouwantoutoflifeThatbringsmetomyfirstprincipleThinkforyourselftodecide1,whatyouwant,2ywhatistrue,and3,whatyoushoulddotoachieve#1inlightof#2anddothatwithhumilityandopen-mindednesssothatyouconsiderthebestthinkingavailabletoyou.Beingclearonyourprinciplesisimportantbecausetheywillaffectallaspectsofyourlife,manytimesaday.Forexample,whenyouenterintorelationshipswithothers,yourprinciplesandtheirprincipleswilldeterminehowyouinteract.Peoplewhohavesharedvaluesandprinciplesgetlong.Peoplewhodontwillsufferthroughconstantmisunderstandingsandconflicts.Thinkaboutthepeopleyouareclosestto:Aretheirvaluesalignedwithyours?Doyouevenknowwhattheirvaluesorprinciplesare?Tooofteninrelationships,people'sprinciplesarentclear.ThisisespeciallyproblematicinorganizationswherepeopleneedtohavesharedprinciplestobesuccessfulBeingcrystalclearaboutmyprinciplesiswhyIlaboredsomuchovereverysentenceinthisbookTheprinciplesyouchoosecanbeanythingyouwantthemtobeaslongastheyareauthentic--i.e,aslongastheyreflectyourtruecharacterandvalues

通过延时自相关法完成chirp信号的检测/估计调频斜率

%线性调频信号的实部和虚部及时域脉压输出clearall;clc;T=16e-6;B=5e6;K=B/T;fs=6*B;Ts=1/fs;N=T/Ts;t=-T/2:T/(N-1):T/2;s=exp(j*pi*K*t.^2);y=conv(s,conj(s));len=length(y);t1=-T/2:T/(len-1):T/2;figure;plot(t,real(s));gridon;axis([-1.2e-51.2e-5-11]);xlabel('时间(s)');ylabel('幅度');title('LFM信号的I路');figure;plot(t,imag(s));gridon;axis([-1.2e-51.2e-5-11]);xlabel('时间(s)');ylabel('幅度');title('LFM信号的Q路');figure;plot(t1,20*log10(abs(y)/max(abs(y))));gridon;axis([-1.2e-51.2e-5-900]);xlabel('时间(s)');ylabel('幅度(dB)');title('时域脉压后的波形(未加权)');subplot(311);plot(t,real(s));gridon;xlabel('time(s)');ylabel('amplitude(dB)');title('realpartofLFM:T=16us,B=4MHz');axis([-T/2T/2-11]);subplot(312);plot(t,imag(s));gridon;xlabel('time(s)');ylabel('amplitude(dB)');title('imagepartofLFM:T=16us,B=4MHz');axis([-T/2T/2-11]);subplot(313);plot(t1,20*log10(abs(y)/max(abs(y))));gridon;axis([-1.2e-51.2e-5-900]);xlabel('时间(s)');ylabel('幅度(dB)');title('时域脉压后的波形(未加权)');

基于MATLAB2020atoolbox工具箱的时频图数据集(魏格纳威利分布,smoothpseudoWVD,SPWVD)。
数据集分布-3db训练集1000张，验证集250张，测试集250张；
-1db训练集1000张，验证集250张，测试集250张；
1db训练集1000张，验证集250张，测试集250张；
3db训练集1000张，验证集250张，测试集250张；
5db训练集1000张，验证集250张，测试集250张。

雷达线性调频系统仿真matlab程序，匹配滤波尽心LFM压缩

LFM算法是来源于论文《Detectingtheoverlappingandhieerarchicalcommunitystructureincomplexnetworks》，文档中包含该算法的python的源码，以及用到的数据集，仅供大家学习参考。

较为详细地介绍了线性调频（LFM）脉冲压缩雷达仿真的所有内容，包括原理和编程

在日常工作中，钉钉打卡成了我生活中不可或缺的一部分。然而，有时候这个看似简单的任务却给我带来了不少烦恼。 每天早晚，我总是得牢记打开钉钉应用，点击"工作台"，再找到"考勤打卡"进行签到。有时候因为工作忙碌，会忘记打卡，导致考勤异常，影响当月的工作评价。而且，由于我使用的是苹果手机，有时候系统更新后，钉钉的某些功能会出现异常，使得打卡变得更加麻烦。 另外，我的家人使用的是安卓手机，他们也经常抱怨钉钉打卡的繁琐。尤其是对于那些不太熟悉手机操作的长辈来说，每次打卡都是一次挑战。他们总是担心自己会操作失误，导致打卡失败。 为了解决这些烦恼，我开始思考是否可以通过编写一个全自动化脚本来实现钉钉打卡。经过一段时间的摸索和学习，我终于成功编写出了一个适用于苹果和安卓系统的钉钉打卡脚本。