feedback oscillator

简明释义

反馈振荡器

英英释义

例句

1.The engineer designed a new feedback oscillator 反馈振荡器 to improve signal stability in the communication system.

工程师设计了一种新的反馈振荡器 feedback oscillator以提高通信系统中的信号稳定性。

2.In audio applications, a feedback oscillator 反馈振荡器 can create various sound effects by manipulating frequency.

在音频应用中，反馈振荡器 feedback oscillator可以通过操纵频率来创造各种声音效果。

3.Researchers are exploring new materials to enhance the performance of feedback oscillators 反馈振荡器 in quantum computing.

研究人员正在探索新材料，以增强反馈振荡器 feedback oscillators在量子计算中的性能。

4.The stability of a feedback oscillator 反馈振荡器 is crucial for ensuring consistent output in electronic devices.

一个反馈振荡器 feedback oscillator的稳定性对于确保电子设备输出的一致性至关重要。

5.A simple feedback oscillator 反馈振荡器 circuit can be built using just a few components like resistors and capacitors.

一个简单的反馈振荡器 feedback oscillator电路可以仅使用几个组件，如电阻和电容器来构建。

作文

In the realm of electronics and signal processing, the term feedback oscillator refers to a specific type of electronic circuit that generates a continuous waveform output. These oscillators are fundamental components in various applications, from radio transmitters to audio equipment, and they rely on the principle of feedback to maintain their oscillation. Understanding how a feedback oscillator works can provide insights into both its practical applications and the underlying physics involved.A feedback oscillator typically consists of an amplifier and a feedback network. The amplifier takes an input signal and amplifies it, while the feedback network routes a portion of the output back to the input. This feedback can be either positive or negative. In the case of a feedback oscillator, positive feedback is crucial as it reinforces the output signal, allowing the circuit to sustain oscillations. When the conditions are right, the circuit will produce a stable waveform, such as a sine wave or square wave, depending on its design.One of the most common types of feedback oscillators is the phase-shift oscillator, which uses RC (resistor-capacitor) networks to create a phase shift that leads to oscillation. Another well-known example is the Wien bridge oscillator, which employs a bridge circuit to achieve oscillation. Both of these oscillators exemplify how feedback mechanisms can be harnessed to create predictable and repeatable waveforms.The versatility of feedback oscillators extends to numerous fields. In telecommunications, they are used to generate carrier waves for transmitting information over distances. In audio engineering, they can create sound effects or synthesize musical notes. Additionally, they play a crucial role in control systems, where they can help stabilize signals and maintain desired outputs.Despite their many advantages, feedback oscillators can also present challenges. For instance, if the feedback is too strong or not properly controlled, it can lead to instability and unwanted oscillations, known as 'ringing' or 'oscillation distortion.' Engineers must carefully design these circuits to ensure they operate within specified parameters, avoiding issues that could compromise performance.In conclusion, the concept of a feedback oscillator is integral to modern electronics and signal processing. By understanding the principles behind these circuits, one can appreciate their wide-ranging applications and the importance of feedback in maintaining stable oscillations. As technology continues to evolve, the role of feedback oscillators will likely expand, paving the way for new innovations in various fields. Whether in communication, audio production, or control systems, the influence of feedback oscillators is undeniable, making them a fascinating subject for study and exploration.

在电子学和信号处理领域，术语反馈振荡器指的是一种特定类型的电子电路，它生成连续的波形输出。这些振荡器是各种应用中的基本组件，从无线电发射机到音频设备，它们依赖于反馈原理来维持振荡。理解反馈振荡器的工作原理可以提供对其实际应用及其背后物理原理的深入了解。反馈振荡器通常由一个放大器和一个反馈网络组成。放大器接收输入信号并进行放大，而反馈网络则将一部分输出信号重新传回输入。这种反馈可以是正反馈或负反馈。在反馈振荡器的情况下，正反馈至关重要，因为它增强输出信号，使电路能够维持振荡。当条件合适时，电路将产生稳定的波形，例如正弦波或方波，具体取决于其设计。最常见的反馈振荡器类型之一是相移振荡器，它使用RC（电阻-电容）网络来创建相位移，从而导致振荡。另一个著名的例子是维恩桥振荡器，它采用桥式电路实现振荡。这两种振荡器都展示了如何利用反馈机制来创建可预测和可重复的波形。反馈振荡器的多功能性延伸到多个领域。在电信中，它们用于生成承载波以便于远距离信息传输。在音频工程中，它们可以创建音效或合成音乐音符。此外，它们在控制系统中发挥着关键作用，帮助稳定信号并维持所需输出。尽管有许多优点，反馈振荡器也可能带来挑战。例如，如果反馈过强或未得到适当控制，可能会导致不稳定和不必要的振荡，称为“振铃”或“振荡失真”。工程师必须仔细设计这些电路，以确保它们在规定参数内运行，避免可能影响性能的问题。总之，反馈振荡器的概念是现代电子学和信号处理的核心。通过理解这些电路背后的原理，可以欣赏它们广泛的应用以及反馈在维持稳定振荡中的重要性。随着技术的不断发展，反馈振荡器的作用可能会扩大，为各个领域的新创新铺平道路。无论是在通信、音频制作还是控制系统中，反馈振荡器的影响都是不可否认的，这使其成为一个值得研究和探索的迷人主题。