Words and Their Stories: Some of Our Listeners' Favorite Sayings

Now, the VOA Special English program, WORDS AND THEIR STORIES.

A proverb is a short, well known saying that expresses a common truth or belief. Many proverbs give advice about the best way to live.

Recently, we presented a program about proverbs. We asked our listeners to send us their favorite proverbs. A short time later, we received suggestions from around the world. We heard from listeners in Africa, Asia, Europe and South America.

The top proverb among these listeners is this one: "Where there is a will, there is a way." This means that you can rise above your problems if you have a goal and work very hard.

Some listeners liked another proverb: "Strike while the iron is hot." This means it is best to take action quickly and at the right time. Another favorite proverb was, "God helps those who help themselves."

Xu Da-ju from China wrote that his country has thousands of proverbs. Several of them are also used in the United States. One example is "Birds of a feather flock together." This means that people who are alike often become friends or spend time together.

Another proverb is "Blood is thicker than water." This means family ties are stronger than other relationships. A similar proverb states "Charity begins at home." A person should help his family or close friends before helping others.

Alina from China sent us this proverb: "He who would climb a ladder must begin at the bottom." That is good advice when working around your home or looking for a job.

Antonio Jose from Brazil says his favorite proverb is "Tell me who walks with you, and I’ll tell you who you are." Didier Vermeulen of France sent us this one: "It does not matter the speed you go. The most important thing is to never stop."

Wafaa from Egypt says her favorite proverb is, "Think twice, act wise." She also says she is making an effort to use this saying in her life.

Another favorite proverb among our listeners is "Practice makes perfect." This means you will become good at something if you keep doing it. Another popular proverb is: "If you want something done right, do it yourself."

Najeeb from Afghanistan sent us this proverb: "If you risk nothing, then you risk everything."

And, here is the favorite proverb of Marius Meledje in Ivory Coast: "Your defeat now is your victory in the future." He says it means you can learn from your mistakes. This will help you do better when facing similar situations in the future.

(MUSIC)

This VOA Special English program was written by Shelley Gollust. I’m Faith Lapidus. We will present more programs about proverbs in the future

通过短时倒谱(Cepstrogram)计算进行时-倒频分析研究(Matlab代码实现)内容概要:本文主要介绍了一项关于短时倒谱(Cepstrogram)计算在时-倒频分析中的研究,并提供了相应的Matlab代码实现。通过短时倒谱分析方法,能够有效提取信号在时间与倒频率域的特征,适用于语音、机械振动、生物医学等领域的信号处理与故障诊断。文中阐述了倒谱分析的基本原理、短时倒谱的计算流程及其在实际工程中的应用价值,展示了如何利用Matlab进行时-倒频图的可视化与分析,帮助研究人员深入理解非平稳信号的周期性成分与谐波结构。; 适合人群:具备一定信号处理基础,熟悉Matlab编程,从事电子信息、机械工程、生物医学或通信等相关领域科研工作的研究生、工程师及科研人员。; 使用场景及目标:①掌握倒谱分析与短时倒谱的基本理论及其与傅里叶变换的关系;②学习如何用Matlab实现Cepstrogram并应用于实际信号的周期性特征提取与故障诊断;③为语音识别、机械设备状态监测、振动信号分析等研究提供技术支持与方法参考; 阅读建议:建议读者结合提供的Matlab代码进行实践操作,先理解倒谱的基本概念再逐步实现短时倒谱分析,注意参数设置如窗长、重叠率等对结果的影响,同时可将该方法与其他时频分析方法(如STFT、小波变换)进行对比,以提升对信号特征的理解能力。
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