DFT的音标基本翻译为:
- D: /d/,发短促的“得”音
- F: /ef/,发音时口腔肌肉要放松些,嘴唇向两边微张
- T: /ti/,发音时舌头抵上齿龈,口型由大到小
速记技巧:
谐音记忆:DFT可以联想为“提前”
形象记忆:DFT可以联想为“阶梯”,其中T可以理解为台阶
以上内容仅供参考,建议结合实际单词反复朗读以加深记忆。
DFT(Discrete Fourier Transform)的英文词源可以追溯到法语词汇“Décomposition Fouriéenne”,意为“傅里叶分解”。其变化形式包括复数形式的“DFT”和“IDFT”,以及缩写形式如“DFTs”和“DFT-ed”。
相关单词:
1. Fourier Transform (FT):这是DFT的近义词,意为傅里叶变换,常用于信号处理和统计学中。
2. Spectrum Analysis:这个词组也与DFT相关,用于分析信号的频谱。
3. Frequency Domain:在频域中,我们使用DFT进行数据分析。
4. Time Domain:在时间域中,我们使用傅里叶变换将信号从时域转换到频域。
5. Inverse Fourier Transform (IFT):与IDFT相关,用于将傅里叶变换后的数据转换回原始时间域。
6. Discrete-Time Fourier Transform (DTFT):这是傅里叶变换的一种离散时间形式,常用于信号分析。
7. Transform Pair:在信号处理中,DFT和DTFT常常被视为一对转换,用于将信号从时域转换到频域或反转换回时域。
8. Spectrogram:这是一种图像形式的频谱分析方法,与DFT有密切关系。
9. Discrete Fourier Series (DFS):DFT的另一种形式是傅里叶级数,用于描述周期信号。
10. Fourier-Mellin Transform:这是一种复杂的变换方法,结合了傅里叶变换和幂级数分析,也与DFT有关。
以上这些单词都与DFT密切相关,它们在信号处理、统计学和数学领域中有着广泛的应用。
常用短语:
1. all in all 总而言之
2. at one"s fingertips 指尖上的东西
3. by hook or by crook 不惜任何手段
4. day in and day out 日复一日
5. from A to Z 无所不包
6. get one"s teeth into 专心致志于
7. hands down 毫无疑问
双语例句:
1. All in all, we should cherish the things we have and be grateful for what we have.
总的来说,我们应该珍惜我们所拥有的东西,感激我们所拥有的东西。
2. At one"s fingertips, the ability to communicate with others effectively.
指尖上的东西,与他人有效沟通的能力。
3. By hook or by crook, I will find a way to complete this task.
不惜任何手段,我会找到完成这项任务的方法。
4. Day in and day out, I work hard to achieve my goals.
日复一日,我努力工作以实现我的目标。
5. From A to Z, this is a challenge that I am willing to face head on.
无所不包,这是我愿意面对的挑战。
6. Get your teeth into a project and you will see the results quickly.
专心致志于一个项目,你会很快看到结果。
7. Hands down, the best way to learn a new skill is through practice and repetition.
毫无疑问,学习新技能的最好方法是通过实践和重复。
英文小作文:
When it comes to music, the digital transformation has brought about a new era of listening experiences. With the convenience of digital music players and streaming services, we can now access a wide range of songs at our fingertips. However, despite the convenience of digital music, there is still something special about the experience of listening to music live. Whether it"s the energy of the performers or the atmosphere created by the crowd, live music has a unique charm that cannot be replicated through digital means. In conclusion, while digital music has revolutionized the way we listen to music, live music still holds a special place in our hearts and deserves to be cherished and appreciated for its unique qualities.