analog to digital convertor

简明释义

模—数转换器;

英英释义

例句

1.In order to digitize old vinyl records, you will need an analog to digital converter.

为了将旧的黑胶唱片数字化，你需要一个模拟到数字转换器。

2.The analog to digital converter allows you to connect your turntable to your computer.

这个模拟到数字转换器允许你将唱盘连接到电脑上。

3.The musician used an analog to digital converter to record his songs in high quality.

这位音乐家使用了一个模拟到数字转换器来高质量地录制他的歌曲。

4.When streaming music, an analog to digital converter can improve sound quality significantly.

在音乐串流时，模拟到数字转换器可以显著提高音质。

5.Many modern cameras have built-in analog to digital converters for image processing.

许多现代相机内置有用于图像处理的模拟到数字转换器。

作文

In today's fast-paced technological world, the ability to convert signals from one form to another is crucial. One of the key components in this process is the analog to digital converter, which plays a vital role in transforming analog signals into digital data. This transformation is essential for modern electronics, as most devices operate using digital signals. Understanding how an analog to digital converter works can provide insight into the functioning of many electronic devices we use daily.An analog to digital converter (ADC) takes continuous signals that represent physical measurements, such as sound, light, or temperature, and converts them into a digital format that computers and other digital devices can process. The process begins with sampling the analog signal at regular intervals. This means measuring the amplitude of the signal at specific points in time. The more frequently the signal is sampled, the more accurately it can be represented in digital form.Once the signal is sampled, the next step is quantization. During quantization, the ADC assigns a numerical value to each sampled amplitude. This involves rounding the measured amplitude to the nearest value within a defined range. The resolution of the analog to digital converter is determined by the number of bits used to represent each sample. For instance, a 12-bit ADC can represent 4096 different levels of amplitude, while a 16-bit ADC can represent 65,536 levels. Higher resolution allows for more accurate representation of the original analog signal.After quantization, the ADC outputs a binary code that corresponds to the sampled and quantized values. This binary data can then be processed by digital systems, enabling various applications, from audio recording to medical imaging. In audio applications, for example, microphones capture sound waves, which are then converted into digital signals by an analog to digital converter. This allows for the sound to be recorded, edited, and played back through digital devices.The importance of analog to digital converters extends beyond audio processing. In the field of telecommunications, they are essential for converting voice signals into digital packets for transmission over the internet. Similarly, in medical devices, such as electrocardiograms (ECGs), ADCs convert the analog signals generated by heart activity into digital data for analysis and monitoring.Furthermore, advancements in technology have led to the development of faster and more efficient ADCs. Modern ADCs can achieve high sampling rates and resolutions, making them suitable for a wide range of applications, including high-definition video processing and real-time data acquisition in scientific research.In conclusion, the analog to digital converter is a fundamental component in our digital world. It bridges the gap between the analog signals that represent real-world phenomena and the digital systems that process and utilize this information. As technology continues to evolve, the role of ADCs will only become more significant, underscoring the need for a deeper understanding of their function and importance in various fields. Whether in entertainment, communication, or healthcare, the analog to digital converter remains an indispensable tool in harnessing the power of digital technology.

在当今快速发展的科技世界中，将信号从一种形式转换为另一种形式的能力至关重要。这个过程中一个关键组件是模拟到数字转换器，它在将模拟信号转换为数字数据方面发挥着重要作用。这种转化对于现代电子设备至关重要，因为大多数设备使用数字信号进行操作。理解模拟到数字转换器的工作原理可以深入了解我们日常使用的许多电子设备的功能。模拟到数字转换器（ADC）将代表物理测量的连续信号（如声音、光或温度）转换为计算机和其他数字设备可以处理的数字格式。这个过程始于定期对模拟信号进行采样。这意味着在特定时间点测量信号的幅度。信号采样的频率越高，它在数字形式中被表示得就越准确。一旦信号被采样，下一步是量化。在量化过程中，ADC为每个采样的幅度分配一个数值。这涉及将测量的幅度四舍五入到定义范围内的最接近值。模拟到数字转换器的分辨率由用于表示每个样本的位数决定。例如，12位ADC可以表示4096个不同的幅度级别，而16位ADC可以表示65536个级别。更高的分辨率允许对原始模拟信号进行更准确的表示。在量化之后，ADC输出与采样和量化值相对应的二进制代码。这些二进制数据可以被数字系统处理，使各种应用成为可能，从音频录制到医学成像。例如，在音频应用中，麦克风捕捉声波，然后通过模拟到数字转换器将其转换为数字信号。这使得声音能够被记录、编辑和通过数字设备播放。模拟到数字转换器的重要性不仅限于音频处理。在电信领域，它们对于将语音信号转换为互联网传输的数字数据包至关重要。同样，在医疗设备中，如心电图（ECG），ADCs将心脏活动产生的模拟信号转换为用于分析和监测的数字数据。此外，技术的进步导致了更快、更高效的ADC的发展。现代ADC可以实现高采样率和高分辨率，使其适用于广泛的应用，包括高清晰度视频处理和科学研究中的实时数据采集。总之，模拟到数字转换器是我们数字世界中的基本组成部分。它弥合了代表现实世界现象的模拟信号与处理和利用这些信息的数字系统之间的差距。随着技术的不断发展，ADCs的角色只会变得更加重要，这突显了深入理解它们在各个领域功能和重要性的必要性。无论是在娱乐、通信还是医疗保健中，模拟到数字转换器仍然是利用数字技术力量不可或缺的工具。