analog signal

简明释义

模拟信号

英英释义

例句

1.When I connected my vinyl record player, it produced an analog signal that captured the warmth of the music, unlike digital formats which use 数字信号.

当我连接我的黑胶唱片播放器时，它产生了一种模拟信号，捕捉到了音乐的温暖，这与使用数字信号的数字格式不同。

2.Many older audio devices rely on analog signals for sound output, which can produce a richer audio experience compared to 数字信号.

许多旧音频设备依赖于模拟信号进行声音输出，这可能比数字信号产生更丰富的音频体验。

3.In telecommunications, an analog signal can be used for voice transmission over traditional phone lines, as it represents sound waves in a 模拟信号 form.

在电信中，模拟信号可以用于通过传统电话线路传输声音，因为它以模拟信号的形式表示声波。

4.The old television set received an analog signal, which is an 模拟信号 that varies continuously.

旧电视机接收的是一种模拟信号，这种模拟信号是连续变化的。

5.The radio station broadcasts its programs using an analog signal, allowing listeners to enjoy a continuous flow of music and talk shows, represented by 模拟信号.

广播电台通过模拟信号播放其节目，让听众享受到音乐和脱口秀的连续流动，这由模拟信号表示。

作文

In the world of electronics and communication, the term analog signal refers to a type of signal that represents information in a continuous form. Unlike digital signals, which encode data in discrete values (usually binary), analog signals are characterized by their ability to vary smoothly over time. This continuous nature allows them to represent real-world phenomena such as sound, light, and temperature effectively. For instance, when you speak into a microphone, your voice creates sound waves that are captured as an analog signal. This signal can then be amplified and transmitted through various mediums, such as air or cables, to reach another device, like a speaker.The concept of analog signals is foundational in many fields, including audio engineering, telecommunications, and broadcasting. In audio systems, analog signals are used to convey music and speech. When you listen to a vinyl record, the grooves on the record create variations in the analog signal, which are then converted back into sound waves by the turntable's needle. This process exemplifies how analog signals can capture the nuances of sound, providing a rich listening experience.However, analog signals are not without their drawbacks. One significant limitation is their susceptibility to noise and interference. Because analog signals are continuous, any external factors—such as electromagnetic interference or physical obstructions—can distort the signal as it travels. This distortion can lead to a loss of quality in the transmitted information. For example, if you are listening to a radio station that uses an analog signal, static and other noises can interfere with the clarity of the broadcast, making it difficult to hear the program.With the advent of digital technology, many industries have transitioned from analog signals to digital signals. Digital signals offer several advantages, including improved resistance to noise and the ability to compress data for more efficient transmission. However, this does not mean that analog signals are obsolete. In fact, many audiophiles prefer analog recordings for their warmth and depth, qualities that some argue are lost in digital formats.Moreover, analog signals continue to play a vital role in various applications. For example, in medical devices, analog signals are often used to monitor vital signs such as heart rate and blood pressure. These signals provide continuous data that can be crucial for patient care, allowing healthcare professionals to make informed decisions based on real-time information.In conclusion, understanding the concept of analog signals is essential for anyone interested in electronics, communications, or audio technology. While digital signals dominate many aspects of modern technology, analog signals still hold a significant place due to their unique characteristics and applications. Whether it’s through the warmth of a vinyl record or the critical data from a medical device, analog signals remain an integral part of our technological landscape. As we continue to advance in technology, it is important to appreciate the role that analog signals have played in shaping our world, and to recognize their enduring value in certain contexts.

在电子和通信的世界中，术语模拟信号指的是一种以连续形式表示信息的信号类型。与以离散值（通常是二进制）编码数据的数字信号不同，模拟信号的特点是能够随着时间的推移平滑变化。这种连续性使它们能够有效地表示现实世界的现象，如声音、光线和温度。例如，当你对着麦克风说话时，你的声音会产生声波，这些声波被捕捉为模拟信号。然后，这个信号可以被放大并通过各种媒介（如空气或电缆）传输，以到达另一个设备，比如扬声器。模拟信号的概念在许多领域中都是基础，包括音频工程、电信和广播。在音频系统中，模拟信号用于传递音乐和语言。当你听黑胶唱片时，唱片上的沟槽会产生模拟信号的变化，这些变化随后由唱机的针头转换回声波。这个过程展示了模拟信号如何捕捉声音的细微差别，提供丰富的听觉体验。然而，模拟信号并非没有缺点。一个显著的限制是它们容易受到噪声和干扰的影响。由于模拟信号是连续的，任何外部因素——例如电磁干扰或物理障碍——都可能在信号传播过程中扭曲信号。这种扭曲可能导致传输信息的质量下降。例如，如果你正在收听一个使用模拟信号的广播电台，静电和其他噪声可能会干扰广播的清晰度，使你难以听到节目内容。随着数字技术的出现，许多行业已经从模拟信号转向数字信号。数字信号提供了几个优点，包括对噪声的更强抵抗力以及压缩数据以实现更高效传输的能力。然而，这并不意味着模拟信号就过时了。事实上，许多音响爱好者更喜欢模拟录音，因为它们的温暖和深度，这些特质在数字格式中有些人认为是失去的。此外，模拟信号在各种应用中仍然发挥着重要作用。例如，在医疗设备中，模拟信号通常用于监测生命体征，如心率和血压。这些信号提供了连续的数据，对于患者护理至关重要，使医疗专业人员能够根据实时信息做出明智的决策。总之，理解模拟信号的概念对于任何对电子学、通信或音频技术感兴趣的人来说都是至关重要的。虽然数字信号在现代技术的许多方面占主导地位，但由于其独特的特性和应用，模拟信号仍然占据着重要的位置。无论是通过黑胶唱片的温暖，还是通过医疗设备的关键数据，模拟信号依然是我们技术环境中不可或缺的一部分。随着我们在技术上的不断进步，重要的是要欣赏模拟信号在塑造我们世界中的作用，并认识到它们在某些情况下的持久价值。