digital signal

简明释义

数字信号

英英释义

例句

1.The audio system converts analog sound into a digital signal 数字信号 for better clarity.

音频系统将模拟声音转换为更清晰的数字信号 数字信号。

2.In modern communication systems, digital signals 数字信号 are used to transmit data efficiently.

在现代通信系统中，数字信号 数字信号 被用来高效地传输数据。

3.The television receives a digital signal 数字信号 for better picture quality.

电视接收更好的画质的数字信号 数字信号。

4.A digital signal 数字信号 can be easily processed by computers.

计算机可以轻松处理数字信号 数字信号。

5.Wireless networks transmit digital signals 数字信号 to connect devices.

无线网络传输数字信号 数字信号以连接设备。

作文

In today's technologically advanced world, the concept of a digital signal (数字信号) plays a crucial role in various applications, from telecommunications to multimedia. A digital signal is defined as a signal that represents data as a sequence of discrete values. Unlike analog signals, which can take on any value within a range, digital signals are characterized by their binary nature, consisting of only two states: high and low, or 1s and 0s. This binary representation allows for more efficient processing, storage, and transmission of information.The importance of digital signals is evident in modern communication systems. For instance, when you make a phone call, your voice is converted into a digital signal. This conversion process involves sampling your voice at specific intervals and quantizing the amplitude of the sound waves into discrete levels. The resulting digital signal can then be transmitted over the network with minimal loss of quality and can be easily compressed for efficient data transfer. Moreover, digital signals are essential in digital audio and video technologies. When you listen to music on a streaming platform or watch a movie online, the audio and video content are encoded into digital signals. This encoding ensures that the media can be transmitted over the internet seamlessly and can be decoded by your device for playback. The ability to manipulate digital signals also allows for various enhancements, such as noise reduction and equalization, improving the overall experience for users.Another significant advantage of digital signals is their resilience to interference. In analog systems, noise can easily distort the signal, leading to degraded quality. However, because digital signals are composed of discrete values, they can often withstand higher levels of interference without compromising the integrity of the information being transmitted. This characteristic is particularly beneficial in wireless communication, where signals are susceptible to various forms of noise and distortion.Furthermore, the use of digital signals has revolutionized data storage. Traditional analog storage methods, such as magnetic tapes and vinyl records, have largely been replaced by digital formats, which offer greater capacity and durability. For example, a compact disc (CD) stores audio as a digital signal, allowing for thousands of songs to be stored on a single disc without degradation over time. This shift toward digital signals has enabled the development of cloud storage solutions, where vast amounts of data can be stored and accessed from anywhere in the world.As technology continues to evolve, the role of digital signals will only become more prominent. Emerging technologies such as the Internet of Things (IoT), artificial intelligence (AI), and 5G communication rely heavily on the principles of digital signals. These advancements promise to enhance connectivity and enable smarter devices, further integrating digital signals into our daily lives.In conclusion, understanding the concept of a digital signal (数字信号) is vital for anyone interested in technology and communication. Its binary nature allows for efficient processing, transmission, and storage of information, making it an indispensable component of modern systems. As we continue to embrace digital transformation, the significance of digital signals will only grow, shaping the future of communication and technology.

在当今技术先进的世界中，数字信号的概念在各种应用中发挥着至关重要的作用，从电信到多媒体。数字信号被定义为将数据表示为离散值序列的信号。与可以在范围内取任意值的模拟信号不同，数字信号的特点是其二进制性质，仅由两个状态组成：高和低，或1和0。这种二进制表示法允许更高效地处理、存储和传输信息。数字信号的重要性在现代通信系统中显而易见。例如，当您打电话时，您的声音会被转换成数字信号。这个转换过程涉及在特定时间间隔内对您的声音进行采样，并将声波的幅度量化为离散水平。生成的数字信号可以通过网络传输，质量损失最小，并且可以轻松压缩以实现高效的数据传输。此外，数字信号在数字音频和视频技术中也是必不可少的。当您在流媒体平台上听音乐或在线观看电影时，音频和视频内容会被编码为数字信号。这种编码确保媒体可以无缝地通过互联网传输，并且可以被您的设备解码以进行播放。操作数字信号的能力还允许各种增强，例如降噪和均衡，改善用户的整体体验。数字信号的另一个显著优势是它们对干扰的抵抗力。在模拟系统中，噪声很容易扭曲信号，导致质量下降。然而，由于数字信号由离散值组成，它们通常能够承受更高水平的干扰，而不会影响所传输信息的完整性。这一特性在无线通信中尤为有益，因为信号容易受到各种噪声和失真的影响。此外，使用数字信号彻底改变了数据存储。传统的模拟存储方法，如磁带和黑胶唱片，已在很大程度上被数字格式取代，这些格式提供了更大的容量和耐用性。例如，光盘（CD）将音频存储为数字信号，允许在单个光盘上存储数千首歌曲，而不会随着时间的推移而退化。这种向数字信号的转变使云存储解决方案的发展成为可能，在这些解决方案中，可以存储和访问大量数据，随时随地。随着技术的不断发展，数字信号的作用只会变得更加突出。物联网（IoT）、人工智能（AI）和5G通信等新兴技术在很大程度上依赖于数字信号的原理。这些进步承诺增强连接性并启用更智能的设备，进一步将数字信号融入我们的日常生活。总之，理解数字信号的概念对于任何对技术和通信感兴趣的人来说都是至关重要的。它的二进制性质允许高效地处理、传输和存储信息，使其成为现代系统不可或缺的组成部分。随着我们继续拥抱数字化转型，数字信号的重要性只会增加，塑造通信和技术的未来。