modulating oscillator

简明释义

调制振荡器

英英释义

例句

1.The modulating oscillator in the synthesizer creates complex waveforms for music production.

合成器中的调制振荡器为音乐制作创造复杂的波形。

2.The radio transmitter uses a modulating oscillator to encode the audio signal onto the carrier wave.

无线电发射器使用调制振荡器将音频信号编码到载波上。

3.In this circuit, the modulating oscillator adjusts the frequency of the output signal based on the input.

在这个电路中，调制振荡器根据输入信号调整输出信号的频率。

4.Engineers often test the modulating oscillator to ensure it meets the required specifications.

工程师经常测试调制振荡器以确保其符合所需的规格。

5.The modulating oscillator is essential for generating stable signals in communication systems.

调制振荡器在通信系统中生成稳定信号是至关重要的。

作文

In the realm of electronics and communication, the term modulating oscillator refers to a crucial component that plays a significant role in generating signals for various applications. An oscillator is a device that produces a repetitive waveform, typically in the form of sine waves or square waves. When we introduce modulation into the equation, we enhance the functionality of the oscillator by allowing it to vary its output signal based on certain parameters. This capability is essential for transmitting information over distances, particularly in radio frequency (RF) communications.The basic operation of a modulating oscillator involves two primary processes: oscillation and modulation. Oscillation is the generation of a continuous waveform, while modulation refers to the process of varying one or more properties of that waveform, such as amplitude, frequency, or phase. By modulating the oscillation, we can encode information onto the carrier wave, which can then be transmitted to receivers that demodulate the signal to retrieve the original information.One of the most common applications of a modulating oscillator is in radio broadcasting. In this context, the oscillator generates a carrier wave at a specific frequency. The audio signal, which contains the information to be transmitted, is then used to modulate the carrier wave. There are different types of modulation techniques, including amplitude modulation (AM) and frequency modulation (FM). In AM, the amplitude of the carrier wave varies in accordance with the audio signal, while in FM, it is the frequency of the carrier wave that changes. Both methods rely on the effective functioning of the modulating oscillator to ensure clear transmission of the audio content.Moreover, modulating oscillators are not limited to just radio applications. They are also integral to other forms of communication, such as television broadcasting, satellite communication, and even mobile phone technology. In these cases, the modulation process allows for the transmission of video, data, and voice signals over vast distances, making modern communication possible.In addition to communication technologies, modulating oscillators find their use in various other fields, including instrumentation and control systems. For instance, in scientific research, these oscillators can be employed in signal generation for testing and measurement purposes. Their ability to produce precise and stable waveforms makes them invaluable in laboratories and industrial applications.The design and implementation of a modulating oscillator involve careful consideration of several factors, including frequency stability, power output, and linearity of modulation. Engineers must ensure that the oscillator can maintain consistent performance under varying conditions, as any deviation could lead to distorted signals and loss of information. This complexity adds to the importance of understanding the underlying principles of oscillation and modulation.In conclusion, the modulating oscillator is a fundamental element in the field of electronics and communication. Its ability to generate and modulate signals makes it indispensable for a wide range of applications, from radio broadcasting to advanced communication systems. As technology continues to evolve, the role of modulating oscillators will likely expand, paving the way for new innovations in how we transmit and receive information. Understanding the principles behind this component is essential for anyone interested in pursuing a career in electronics or communication engineering.

在电子和通信领域，术语调制振荡器指的是一个关键组件，它在生成各种应用信号中发挥着重要作用。振荡器是一种产生重复波形的设备，通常以正弦波或方波的形式出现。当我们在这个方程中引入调制时，我们通过允许其根据某些参数变化输出信号来增强振荡器的功能。这种能力对于远距离传输信息至关重要，特别是在射频（RF）通信中。调制振荡器的基本操作涉及两个主要过程：振荡和调制。振荡是生成连续波形，而调制是指变化该波形的一个或多个属性的过程，例如振幅、频率或相位。通过调制振荡，我们可以将信息编码到载波波形上，然后将其传输到接收器，接收器再对信号进行解调，以检索原始信息。调制振荡器最常见的应用之一是在广播中。在这种情况下，振荡器在特定频率上生成载波波形。音频信号，即包含要传输的信息的信号，然后用于调制载波波形。有不同类型的调制技术，包括幅度调制（AM）和频率调制（FM）。在AM中，载波波形的幅度根据音频信号变化，而在FM中，变化的是载波波形的频率。这两种方法都依赖于调制振荡器的有效运作，以确保音频内容的清晰传输。此外，调制振荡器不仅限于广播应用。它们还在其他通信形式中发挥着重要作用，如电视广播、卫星通信，甚至移动电话技术。在这些情况下，调制过程使得视频、数据和语音信号能够在广阔的距离上传输，从而使现代通信成为可能。除了通信技术，调制振荡器还在仪器和控制系统等各个领域中找到应用。例如，在科学研究中，这些振荡器可用于信号生成，以进行测试和测量。它们产生精确和稳定波形的能力使其在实验室和工业应用中不可或缺。调制振荡器的设计和实施涉及对多个因素的仔细考虑，包括频率稳定性、功率输出和调制线性度。工程师必须确保振荡器能够在不同条件下保持一致的性能，因为任何偏差都可能导致信号失真和信息丢失。这种复杂性增加了理解振荡和调制基本原理的重要性。总之，调制振荡器是电子和通信领域的基本元素。它生成和调制信号的能力使其在从广播到先进通信系统的广泛应用中不可或缺。随着技术的不断发展，调制振荡器的角色可能会扩展，为我们传输和接收信息的新创新铺平道路。理解这一组件背后的原理对于任何有意追求电子或通信工程职业的人来说都是至关重要的。