desired signal

简明释义

1. 期望信号; 2. 有用信号; 3. 所需信号;

英英释义

例句

1.In a communication system, the goal is to enhance the desired signal 期望信号 while minimizing noise.

在通信系统中，目标是增强期望信号 desired signal，同时最小化噪声。

2.The receiver must accurately detect the desired signal 期望信号 to ensure clear audio quality.

接收器必须准确检测到期望信号 desired signal以确保音质清晰。

3.In radar systems, the desired signal 期望信号 is the reflection from the target object.

在雷达系统中，期望信号 desired signal是来自目标物体的反射。

4.Engineers use filters to isolate the desired signal 期望信号 from unwanted frequencies.

工程师使用滤波器从不需要的频率中隔离出期望信号 desired signal。

5.To improve performance, we need to amplify the desired signal 期望信号 without distorting it.

为了提高性能，我们需要在不失真的情况下放大期望信号 desired signal。

作文

In the world of communication and technology, the term desired signal refers to the specific information or data that a receiver aims to capture or interpret amidst various forms of noise or interference. Understanding this concept is crucial in fields such as telecommunications, audio engineering, and even neuroscience. The desired signal can be seen as the main message we want to convey or receive, while the noise represents any unwanted signals that may distort or obscure this message.For instance, consider a radio station broadcasting music. The desired signal is the music itself, which listeners want to enjoy. However, there might be static, other radio frequencies, or environmental factors that interfere with the clarity of the broadcast. Engineers work tirelessly to enhance the desired signal by using advanced technologies and techniques to filter out the noise, ensuring that listeners receive the best possible audio experience.Similarly, in the realm of digital communications, the desired signal is the data being sent over the internet, such as emails, videos, or voice calls. Network congestion, packet loss, and other issues can lead to a degradation of the desired signal, making it essential for network engineers to monitor and optimize the performance of their systems. They employ various methods, such as error correction codes and signal processing algorithms, to maintain the integrity of the desired signal and ensure that users receive accurate and timely information.In neuroscience, the concept of the desired signal takes on a different form. Researchers study brain activity to understand how the brain processes information. Here, the desired signal might represent the neural responses associated with specific stimuli, such as visual or auditory cues. However, the brain is constantly bombarded with irrelevant information, or noise, which can complicate the interpretation of these signals. Techniques like functional MRI (fMRI) and electroencephalography (EEG) are used to isolate the desired signal from the noise, allowing scientists to gain insights into cognitive processes and brain function.The importance of identifying and enhancing the desired signal extends beyond technical fields; it also applies to our daily lives. In personal communication, we often encounter distractions that hinder our ability to convey or receive messages effectively. For example, during a conversation in a crowded place, background chatter can act as noise, making it difficult to focus on the desired signal—the words being spoken. To improve communication, we must learn to minimize distractions, actively listen, and clarify our messages to ensure that the desired signal is heard and understood.In conclusion, the concept of the desired signal is fundamental across various disciplines, emphasizing the need to distinguish important information from noise. Whether in technology, science, or everyday interactions, understanding how to identify and enhance the desired signal can lead to more effective communication and better outcomes. As we continue to navigate an increasingly complex world filled with information overload, honing our ability to focus on the desired signal will be essential for success and understanding.

在通信和技术的世界中，术语desired signal指的是接收器旨在捕获或解释的特定信息或数据，这些信息或数据是在各种噪声或干扰中存在的。理解这一概念在电信、音频工程甚至神经科学等领域至关重要。desired signal可以被视为我们希望传达或接收的主要信息，而噪声则代表任何可能扭曲或遮蔽该信息的干扰。例如，考虑一个广播音乐的电台。desired signal就是音乐本身，听众希望享受的内容。然而，可能会有静电、其他广播频率或环境因素干扰广播的清晰度。工程师们不懈努力，通过使用先进的技术和方法来增强desired signal，过滤掉噪声，确保听众获得最佳的音频体验。同样，在数字通信领域，desired signal是通过互联网发送的数据，如电子邮件、视频或语音通话。网络拥堵、数据包丢失和其他问题可能导致desired signal的降级，因此网络工程师必须监控和优化其系统的性能。他们采用各种方法，如错误更正代码和信号处理算法，以保持desired signal的完整性，确保用户接收到准确和及时的信息。在神经科学中，desired signal的概念则呈现出不同的形式。研究人员研究大脑活动，以了解大脑如何处理信息。在这里，desired signal可能代表与特定刺激相关的神经反应，例如视觉或听觉线索。然而，大脑不断受到无关信息或噪声的轰炸，这可能会使这些信号的解释变得复杂。功能性磁共振成像（fMRI）和脑电图（EEG）等技术被用来将desired signal从噪声中分离出来，使科学家能够深入了解认知过程和大脑功能。识别和增强desired signal的重要性不仅仅局限于技术领域；它也适用于我们的日常生活。在个人沟通中，我们经常遇到干扰，这阻碍了我们有效传达或接收信息的能力。例如，在嘈杂的地方进行对话时，背景聊天可能会成为噪声，使我们难以专注于正在说的话——即desired signal。为了改善沟通，我们必须学会减少干扰，积极倾听，并澄清我们的信息，以确保desired signal被听到和理解。总之，desired signal的概念在各个学科中都是基础，强调了区分重要信息与噪声的必要性。无论是在技术、科学还是日常交往中，理解如何识别和增强desired signal都能带来更有效的沟通和更好的结果。随着我们继续在信息过载的日益复杂的世界中航行，磨练我们关注desired signal的能力将对成功和理解至关重要。