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Thank you!

  Chief Justice Rehnquist, President Carter, President Bush, President Clinton, distinguished guests and my fellow citizens, the peaceful transfer of authority is rare in history, yet common in our country. With a simple oath, we affirm old traditions and make new beginnings.

  As I begin, I thank President Clinton for his service to our nation.

  And I thank Vice President Gore for a contest conducted with spirit and ended with grace.

  I am honored and humbled to stand here, where so many of America's leaders have come before me, and so many will follow.

  We have a place, all of us, in a long story -- a story we continue, but whose end we will not see. It is the story of a new world that became a friend and liberator of the old, a story of a slave-holding society that became a servant of freedom, the story of a power that went into the world to protect but not possess, to defend but not to conquer.

  It is the American story -- a story of flawed and fallible people, united across the generations by grand and enduring ideals.

  The grandest of these ideals is an unfolding American promise that everyone belongs, that everyone deserves a chance, that no insignificant person was ever born.

  Americans are called to enact this promise in our lives and in our laws. And though our nation has sometimes halted, and sometimes delayed, we must follow no other course.

  Through much of the last century, America's faith in freedom and democracy was a rock in a raging sea. Now it is a seed upon the wind, taking root in many nations.

  Our democratic faith is more than the creed of our country, it is the inborn hope of our humanity, an ideal we carry but do not own, a trust we bear and pass along. And even after nearly 225 years, we have a long way yet to travel.

  While many of our citizens prosper, others doubt the promise, even the justice, of our own country. The ambitions of some Americans are limited by failing schools and hidden prejudice and the circumstances of their birth. And sometimes our differences run so deep, it seems we share a continent, but not a country.

  We do not accept this, and we will not allow it. Our unity, our union, is the serious work of leaders and citizens in every generation. And this is my solemn pledge: I will work to build a single nation of justice and opportunity.

  I know this is in our reach because we are guided by a power larger than ourselves who creates us equal in His image.

  And we are confident in principles that unite and lead us onward. 

  America has never been united by blood or birth or soil. We are bound by ideals that move us beyond our backgrounds, lift us above our interests and teach us what it means to be citizens. Every child must be taught these principles. Every citizen must uphold them. And every immigrant, by embracing these ideals, makes our country more, not less, American.

  Today, we affirm a new commitment to live out our nation's promise through civility, courage, compassion and character.

  America, at its best, matches a commitment to principle with a concern for civility. A civil society demands from each of us good will and respect, fair dealing and forgiveness.

  Some seem to believe that our politics can afford to be petty because, in a time of peace, the stakes of our debates appear small.

  But the stakes for America are never small. If our country does not lead the cause of freedom, it will not be led. If we do not turn the hearts of children toward knowledge and character, we will lose their gifts and undermine their idealism. If we permit our economy to drift and decline, the vulnerable will suffer most.

  We must live up to the calling we share. Civility is not a tactic or a sentiment. It is the determined choice of trust over cynicism, of community over chaos. And this commitment, if we keep it, is a way to shared accomplishment.

  America, at its best, is also courageous.

  Our national courage has been clear in times of depression and war, when defending common dangers defined our common good. Now we must choose if the example of our fathers and mothers will inspire us or condemn us. We must show courage in a time of blessing by confronting problems instead of passing them on to future generations.

  Together, we will reclaim America's schools, before ignorance and apathy claim more young lives.

  We will reform Social Security and Medicare, sparing our children from struggles we have the power to prevent. And we will reduce taxes, to recover the momentum of our economy and reward the effort and enterprise of working Americans.

  We will build our defenses beyond challenge, lest weakness invite challenge.

  We will confront weapons of mass destruction, so that a new century is spared new horrors.

  The enemies of liberty and our country should make no mistake: America remains engaged in the world by history and by choice, shaping a balance of power that favors freedom. We will defend our allies and our interests. We will show purpose without arrogance. We will meet aggression and bad faith with resolve and strength. And to all nations, we will speak for the values that gave our nation birth.

  America, at its best, is compassionate. In the quiet of American conscience, we know that deep, persistent poverty is unworthy of our nation's promise.

  And whatever our views of its cause, we can agree that children at risk are not at fault. Abandonment and abuse are not acts of God, they are failures of love.

  And the proliferation of prisons, however necessary, is no substitute for hope and order in our souls.

  Where there is suffering, there is duty. Americans in need are not strangers, they are citizens, not problems, but priorities. And all of us are diminished when any are hopeless.

  Government has great responsibilities for public safety and public health, for civil rights and common schools. Yet compassion is the work of a nation, not just a government.

  And some needs and hurts are so deep they will only respond to a mentor's touch or a pastor's prayer. Church and charity, synagogue and mosque lend our communities their humanity, and they will have an honored place in our plans and in our laws.

  Many in our country do not know the pain of poverty, but we can listen to those who do.

  And I can pledge our nation to a goal: When we see that wounded traveler on the road to Jericho, we will not pass to the other side.

  America, at its best, is a place where personal responsibility is valued and expected.

          Encouraging responsibility is not a search for scapegoats, it is a call to conscience. And though it requires sacrifice, it brings a deeper fulfillment. We find the fullness of life not only in options, but in commitments. And we find that children and community are the commitments that set us free.

  Our public interest depends on private character, on civic duty and family bonds and basic fairness, on uncounted, unhonored acts of decency which give direction to our freedom.

  Sometimes in life we are called to do great things. But as a saint of our times has said, every day we are called to do small things with great love. The most important tasks of a democracy are done by everyone.

  I will live and lead by these principles: to advance my convictions with civility, to pursue the public interest with courage, to speak for greater justice and compassion, to call for responsibility and try to live it as well.

  In all these ways, I will bring the values of our history to the care of our times.

  What you do is as important as anything government does. I ask you to seek a common good beyond your comfort; to defend needed reforms against easy attacks; to serve your nation, beginning with your neighbor. I ask you to be citizens: citizens, not spectators; citizens, not subjects; responsible citizens, building communities of service and a nation of character.

  Americans are generous and strong and decent, not because we believe in ourselves, but because we hold beliefs beyond ourselves. When this spirit of citizenship is missing, no government program can replace it. When this spirit is present, no wrong can stand against it.

  After the Declaration of Independence was signed, Virginia statesman John Page wrote to Thomas Jefferson: "We know the race is not to the swift nor the battle to the strong. Do you not think an angel rides in the whirlwind and directs this storm?"

  Much time has passed since Jefferson arrived for his inauguration. The years and changes accumulate. But the themes of this day he would know: our nation's grand story of courage and its simple dream of dignity.

  We are not this story's author, who fills time and eternity with his purpose. Yet his purpose is achieved in our duty, and our duty is fulfilled in service to one another.

  Never tiring, never yielding, never finishing, we renew that purpose today, to make our country more just and generous, to affirm the dignity of our lives and every life.

  This work continues. This story goes on. And an angel still rides in the whirlwind and directs this storm.

  God bless you all, and God bless America.


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内容概要:本文档是一份面向科研人员的综合性技术资源汇编,聚焦于电力系统、智能优化算法、机器学习与深度学习、信号处理、路径规划、无人机应用及通信技术等多个前沿科研领域,提供了大量基于Matlab、Simulink和Python的代码实现资源。文档突出IEEE 123节点配电网数据的实际应用,涵盖三相PWM整流器控制、双有源桥(DAB)变换器优化、微电网经济调度、储能系统配置、卡尔曼滤波状态估计、多目标优化算法等关键技术的仿真与研究。资源体系结构清晰,强调理论与实践深度融合,适用于电力电子、智能电网、自动化控制等方向的科研仿真与创新验证。; 适合人群:电气工程、自动化、计算机科学、通信工程及相关专业的研究生、科研人员以及具备一定编程基础的工程技术人员。; 使用场景及目标:①开展电力系统仿真与优化研究,如配电网重构、微电网调度、储能选址定容等;②支撑智能算法开发与实证,涵盖路径规划、状态估计、信号融合等课题;③辅助高水平学术论文复现与技术创新,提升科研效率与成果质量。; 阅读建议:建议依据提供的资源目录系统化浏览,优先筛选与自身研究方向匹配的案例进行深入学习,结合Matlab/Simulink或Python环境动手复现代码,注重理解算法设计原理与仿真实现细节,以实现从模仿到创新的科研能力跃迁。

[故事]一位经济学大师的尴尬

http://focus.news.163.com/11/1116/11/7IVRI3V600011SM9.html  2011-11-16 11:36:54 来源: 中青在线-中国青年报(北京)   在深秋的哈佛校园里,经济学教授格里高利·曼昆或许刚刚遭遇了人生中最尴尬的时刻。 对于全世界很多经济学课堂里的师生来说,曼昆绝不是个陌生的名字。他是学术界的“大牌明星”,未满30岁时就已成为哈

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从 MuJoCo 仿真到重力补偿:具身智能机械臂 Day 1-2 全景拆解

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C++C++++++++

三相PWM整流器双闭环控制仿真模型(Simulink仿真实现)

内容概要:本文围绕永磁同步电机(PMSM)速度环控制中的三种滑模控制策略——传统滑模控制(SMC)、超扭滑模控制(STSMC)与快速终端滑模控制(FTSMC)——展开系统的理论分析与仿真对比研究,并结合高阶滑模磁链观测器实现无位置传感器的控制。文章详细阐述了各控制策略的核心机制、收敛特性与抖振抑制能力,设计了完全离散化的仿真模型以贴近实际数字控制器行为,并通过模块化与可切换结构实现多种控制器在统一平台下的性能对比。仿真结果表明,STSMC在动态响应与抖振抑制间取得最佳平衡,FTSMC控制律连续、稳态精度高但参数整定复杂,而磁链观测器在中高速段能提供可靠的位置与速度估计。; 适合人群:具备电机控制、自动控制理论基础,熟悉Matlab/Simulink仿真环境,从事电力电子与电机驱动系统研发的研究生或工程技术人员。; 使用场景及目标:①深入理解滑模控制在电机驱动系统中的应用差异;②掌握高阶滑模观测器与无感控制的实现方法;③通过可切换仿真平台对比不同控制策略的动态响应、抗扰能力和抖振特性,为高性能电机控制器设计提供选型依据和技术支撑; 阅读建议:建议结合Simulink仿真模型进行代码级调试与参数调节,重点关注控制器离散化实现细节、符号函数处理方式及观测器积分漂移补偿策略,以深化对理论分析的理解并提升工程实践能力。

3D Slicer5.7在win11下的源码编译安装

本博客主要参考官方安装文档以及部分优快云的博客,部分内容的书写会直接参考官方文档的内容。

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