signal threshold

简明释义

信号可辨阈

英英释义

例句

1.The alarm system is designed to trigger when it detects a signal threshold (信号阈值) of movement.

该报警系统设计为在检测到运动的信号阈值时触发。

2.Researchers found that the signal threshold (信号阈值) for pain perception varies among individuals.

研究人员发现，疼痛感知的信号阈值因个体而异。

3.In audio processing, it's essential to set the correct signal threshold (信号阈值) to avoid distortion.

在音频处理过程中，设置正确的信号阈值是至关重要的，以避免失真。

4.To ensure accurate measurements, the signal threshold (信号阈值) must be calibrated regularly.

为了确保测量准确，信号阈值必须定期校准。

5.The device will only activate when the input exceeds the signal threshold (信号阈值).

只有当输入超过信号阈值时，设备才会激活。

作文

In the realm of neuroscience and communication theory, the concept of signal threshold plays a pivotal role in understanding how signals are processed and interpreted. The term signal threshold refers to the minimum level of stimulus required for a signal to be detected or responded to. This principle is crucial not only in biological systems but also in various technological applications, including telecommunications and data transmission.To illustrate the importance of signal threshold, let’s consider the human nervous system. Neurons communicate through electrical impulses, and each neuron has a specific signal threshold that must be reached for it to fire an action potential. If the incoming signal is below this threshold, the neuron remains inactive. This mechanism ensures that only significant stimuli are processed, filtering out background noise and irrelevant information. For instance, when you touch a hot surface, the sensory neurons send signals to your brain. If the temperature exceeds the signal threshold, you perceive pain, prompting a quick reaction to withdraw your hand. This example highlights how the signal threshold is essential for survival, allowing organisms to respond appropriately to their environment.In technology, the concept of signal threshold is equally significant. In telecommunications, for example, signals transmitted over long distances can weaken due to interference or attenuation. Engineers must determine the signal threshold for effective communication; if the received signal falls below this threshold, the information may become garbled or lost entirely. This is why repeaters and amplifiers are used in communication networks—to boost signals and ensure they remain above the signal threshold necessary for clear transmission.Moreover, the signal threshold is vital in digital signal processing. In this context, it helps in distinguishing between the actual data and noise. For instance, when analyzing audio signals, engineers set a signal threshold to filter out sounds that are too faint to be relevant. This process is crucial in various applications, from music production to voice recognition technologies. By establishing a clear signal threshold, systems can operate more efficiently, improving accuracy and performance.The implications of the signal threshold extend beyond science and technology into everyday life. In our daily interactions, we constantly assess signals—both verbal and non-verbal. For example, during a conversation, we gauge the signal threshold of our partner’s tone, body language, and facial expressions to interpret their feelings and intentions. If these signals fall below our personal signal threshold for engagement, we may miss important cues or misinterpret their message. This can lead to misunderstandings and conflicts, emphasizing the importance of being attuned to the signal threshold in social interactions.In conclusion, the concept of signal threshold is fundamental in various fields, from biology to technology and interpersonal communication. Understanding this concept allows us to appreciate how signals are filtered and processed, ensuring that we respond effectively to our environment and communicate clearly with others. As we continue to explore the complexities of signals in different contexts, the signal threshold will remain a key factor in determining how we perceive and interact with the world around us.

在神经科学和通信理论领域，信号阈值的概念在理解信号是如何处理和解释方面起着关键作用。信号阈值这个术语指的是检测或响应信号所需的最低刺激水平。这个原则不仅在生物系统中至关重要，在各种技术应用中，包括电信和数据传输，也同样重要。为了说明信号阈值的重要性，让我们考虑一下人类神经系统。神经元通过电信号进行交流，每个神经元都有一个特定的信号阈值，必须达到这个阈值才能触发动作电位。如果传入信号低于这个阈值，神经元将保持不活动。这一机制确保只有重要的刺激被处理，从而过滤掉背景噪声和无关信息。例如，当你触摸到热表面时，感觉神经元会向你的大脑发送信号。如果温度超过信号阈值，你就会感到疼痛，从而促使你迅速反应，撤回手。这一例子突显了信号阈值对生存的重要性，使生物能够适当地回应环境。在技术领域，信号阈值的概念同样重要。在电信中，例如，长距离传输的信号可能由于干扰或衰减而减弱。工程师必须确定有效通信的信号阈值；如果接收到的信号低于这个阈值，信息可能会变得模糊或完全丢失。这就是为什么在通信网络中使用中继器和放大器——以增强信号并确保它们保持在清晰传输所需的信号阈值之上。此外，信号阈值在数字信号处理中也至关重要。在这种情况下，它有助于区分实际数据和噪声。例如，在分析音频信号时，工程师设定信号阈值以过滤掉太微弱而不相关的声音。这个过程在各种应用中都是至关重要的，从音乐制作到语音识别技术。通过建立明确的信号阈值，系统可以更高效地运作，提高准确性和性能。信号阈值的影响超越了科学和技术，延伸到日常生活。在我们的日常互动中，我们不断评估信号——无论是言语还是非言语。例如，在谈话中，我们衡量伴侣的语调、肢体语言和面部表情的信号阈值，以解读他们的感受和意图。如果这些信号低于我们个人的信号阈值以便参与，我们可能会错过重要的线索或误解他们的信息。这可能导致误解和冲突，强调了在社交互动中关注信号阈值的重要性。总之，信号阈值的概念在多个领域中是基础性的，从生物学到技术再到人际沟通。理解这一概念使我们能够欣赏信号是如何被过滤和处理的，从而确保我们能够有效地回应环境，并与他人清晰地沟通。随着我们继续探索不同背景下信号的复杂性，信号阈值将始终是决定我们如何感知和与周围世界互动的关键因素。