anode hum

简明释义

板极交流声

英英释义

例句

1.During the experiment, we observed an unexpected anode hum 阳极嗡嗡声 that indicated a potential issue.

在实验过程中，我们观察到一个意外的阳极嗡嗡声，这表明可能存在问题。

2.The audio engineer adjusted the settings to minimize the anode hum 阳极嗡嗡声 in the sound system.

音频工程师调整设置以最小化音响系统中的阳极嗡嗡声。

3.After replacing the faulty components, the anode hum 阳极嗡嗡声 disappeared completely.

更换故障组件后，阳极嗡嗡声完全消失。

4.The technician noted that the circuit produced a faint anode hum 阳极嗡嗡声 when powered on.

技术员注意到电路在通电时发出微弱的阳极嗡嗡声。

5.The power supply unit emitted a low anode hum 阳极嗡嗡声 that was barely audible.

电源单元发出低沉的阳极嗡嗡声，几乎听不见。

作文

In the realm of electronics and audio engineering, terms often emerge that describe specific phenomena or issues encountered during the operation of devices. One such term is anode hum, which refers to a type of noise or interference that can occur in electronic circuits, particularly in vacuum tube amplifiers. This phenomenon is primarily caused by the interaction between the anode of a vacuum tube and the surrounding electrical components, leading to an undesirable hum or buzz in the audio output. Understanding anode hum is crucial for audio engineers and enthusiasts alike, as it can significantly affect the quality of sound produced by an amplifier.When we delve deeper into the concept of anode hum, it is essential to recognize the role of the anode in a vacuum tube. The anode, also known as the plate, is the electrode through which current flows out of the vacuum tube. When the anode is not properly shielded or when there are grounding issues within the circuit, it can pick up electromagnetic interference from other components or power sources. This interference manifests as a low-frequency hum, which can be particularly noticeable at higher volumes.To mitigate the effects of anode hum, engineers often employ various techniques. One common approach is to ensure proper grounding throughout the circuit. By establishing a solid ground connection, the potential for interference is reduced, thereby minimizing the occurrence of hum. Additionally, using high-quality shielding materials around the anode and other sensitive components can further diminish the likelihood of picking up unwanted noise.Another factor contributing to anode hum is the power supply used in the amplifier. If the power supply is not well-regulated or if it introduces ripple into the circuit, this can lead to an increase in hum levels. Engineers often recommend using power supplies with good filtering capabilities to ensure that the voltage supplied to the anode is stable and clean. This stability is vital for maintaining the overall performance of the amplifier and reducing the risk of hum.In practical terms, identifying and addressing anode hum can be a challenging task for audio engineers. It often requires careful troubleshooting and testing to isolate the source of the hum. Techniques such as using an oscilloscope to visualize the waveform can help pinpoint where the interference is originating from. Once identified, engineers can implement targeted solutions to eliminate the hum, thereby improving the audio quality of the system.Ultimately, understanding anode hum is not just about recognizing a technical issue; it also reflects a broader appreciation for the complexities of audio engineering. As technology continues to evolve, so too does our understanding of these phenomena. For audiophiles and professionals alike, mastering the intricacies of sound reproduction includes grappling with challenges like anode hum. By employing effective strategies to combat this issue, we can enhance the listening experience and ensure that music is enjoyed as it was intended, free from distracting noise.

在电子学和音频工程的领域中，常常会出现一些术语，用于描述在设备运行过程中遇到的特定现象或问题。其中一个术语是阳极嗡嗡声，它指的是在电子电路中，特别是在真空管放大器中可能发生的一种噪声或干扰现象。这种现象主要是由于真空管的阳极与周围电气元件之间的相互作用，导致音频输出中出现不必要的嗡嗡声或嗡鸣。理解阳极嗡嗡声对音频工程师和爱好者来说至关重要，因为它可以显著影响放大器产生的声音质量。当我们更深入地探讨阳极嗡嗡声的概念时，必须认识到阳极在真空管中的作用。阳极，也称为板，是电流流出真空管的电极。当阳极没有得到适当屏蔽或电路中存在接地问题时，它可能会从其他组件或电源中拾取电磁干扰。这种干扰表现为低频嗡嗡声，在较高音量下尤为明显。为了减轻阳极嗡嗡声的影响，工程师通常采用各种技术。一种常见的方法是确保电路中的适当接地。通过建立稳固的接地连接，可以降低干扰的潜力，从而最小化嗡嗡声的发生。此外，在阳极和其他敏感组件周围使用高质量的屏蔽材料也可以进一步减少拾取不必要噪声的可能性。另一个导致阳极嗡嗡声的因素是放大器所使用的电源。如果电源没有良好的调节，或者在电路中引入了波纹，这可能会导致嗡嗡声水平的增加。工程师通常建议使用具有良好滤波能力的电源，以确保供应给阳极的电压稳定且干净。这种稳定性对于保持放大器的整体性能和减少嗡嗡声的风险至关重要。在实际操作中，识别和处理阳极嗡嗡声对音频工程师来说可能是一项具有挑战性的任务。它通常需要仔细的故障排除和测试，以隔离嗡嗡声的来源。使用示波器可视化波形等技术可以帮助确定干扰的起源。一旦识别出问题，工程师可以实施有针对性的解决方案来消除嗡嗡声，从而改善系统的音频质量。最终，理解阳极嗡嗡声不仅仅是识别一个技术问题；它也反映了对音频工程复杂性的更广泛欣赏。随着技术的不断发展，我们对这些现象的理解也在不断深化。对于音响爱好者和专业人士来说，掌握声音再现的复杂性包括应对阳极嗡嗡声这样的挑战。通过采用有效的策略来对抗这一问题，我们可以提升聆听体验，确保音乐以其本来的意图被享受，远离恼人的噪音。