spurious AM rejection

简明释义

寄生调幅抑制

英英释义

例句

1.Testing revealed that the device had excellent spurious AM rejection capabilities.

测试显示该设备具有出色的伪影调幅抑制能力。

2.In a crowded frequency environment, spurious AM rejection is critical for maintaining signal integrity.

在拥挤的频率环境中，伪影调幅抑制对于保持信号完整性至关重要。

3.Engineers designed the circuit with high spurious AM rejection to ensure clearer audio quality.

工程师设计了具有高伪影调幅抑制的电路，以确保音频质量更清晰。

4.To achieve better performance, the manufacturer focused on enhancing the spurious AM rejection in their latest model.

为了获得更好的性能，制造商专注于增强其最新型号中的伪影调幅抑制。

5.The new radio receiver features improved spurious AM rejection to minimize interference from other signals.

新型收音机具有更好的伪影调幅抑制功能，以减少来自其他信号的干扰。

作文

In the field of communication systems, particularly in radio frequency (RF) engineering, the term spurious AM rejection plays a crucial role in ensuring the clarity and quality of transmitted signals. To understand this concept better, we need to break it down into its components: 'spurious' and 'AM rejection'. Spurious refers to unwanted or false signals that can interfere with the desired signal. In contrast, AM stands for Amplitude Modulation, a technique used to encode information in a carrier wave by varying its amplitude. Therefore, spurious AM rejection is the ability of a receiver or system to reject these unwanted amplitude-modulated signals that do not carry useful information.The significance of spurious AM rejection cannot be overstated, especially in a world where communication is paramount. For instance, consider a scenario where a radio station is broadcasting a music program. If there are spurious signals present—perhaps from nearby electronic devices or other radio stations—these can distort the audio quality, leading to a frustrating experience for listeners. A high level of spurious AM rejection ensures that such interference is minimized, allowing for clearer sound and a more enjoyable listening experience.Moreover, the performance of various devices, such as radios, televisions, and even mobile phones, depends significantly on their ability to achieve effective spurious AM rejection. Engineers design filters and circuits specifically aimed at enhancing this capability. For example, the use of bandpass filters can help isolate the desired frequency range while attenuating signals outside that range, thereby improving the spurious AM rejection of the device.In addition to improving audio quality, spurious AM rejection is also vital for maintaining overall system integrity. In digital communications, where data is often transmitted over radio waves, any interference can lead to data corruption or loss. Therefore, systems with robust spurious AM rejection capabilities are essential for reliable data transmission, especially in critical applications such as emergency services and military communications.Furthermore, advancements in technology have led to the development of sophisticated algorithms and techniques that enhance spurious AM rejection. For instance, modern software-defined radios (SDRs) utilize digital signal processing (DSP) to analyze incoming signals and effectively filter out spurious components. This adaptability not only improves the spurious AM rejection but also allows for greater flexibility in handling various types of signals, making SDRs a popular choice in contemporary communication systems.In conclusion, spurious AM rejection is an essential aspect of communication systems that directly impacts the quality and reliability of signal transmission. By minimizing unwanted interference, it ensures that users receive clear and accurate information. As technology continues to evolve, the methods for achieving effective spurious AM rejection will undoubtedly improve, paving the way for even more advanced communication solutions. Understanding and mastering the concept of spurious AM rejection is crucial for anyone involved in the field of RF engineering or communication technologies, as it underpins the effectiveness of modern communication systems.

在通信系统领域，特别是在射频（RF）工程中，“spurious AM rejection”这一术语在确保传输信号的清晰度和质量方面发挥着至关重要的作用。要更好地理解这个概念，我们需要将其拆分为两个部分：“spurious”和“AM rejection”。Spurious 指的是干扰所需信号的多余或虚假信号。相对而言，AM 代表幅度调制，这是一种通过变化载波的幅度来编码信息的技术。因此，spurious AM rejection 是接收器或系统拒绝这些不携带有用信息的多余幅度调制信号的能力。spurious AM rejection 的重要性不容小觑，尤其是在通信至关重要的世界中。例如，考虑一个广播电台正在播放音乐节目的场景。如果存在多余信号——可能来自附近的电子设备或其他广播电台——这些信号可能会扭曲音频质量，导致听众体验不佳。高水平的 spurious AM rejection 确保这种干扰被最小化，从而允许更清晰的声音和更愉悦的收听体验。此外，各种设备的性能，如收音机、电视甚至手机，显著依赖于它们实现有效 spurious AM rejection 的能力。工程师专门设计滤波器和电路，以增强这种能力。例如，使用带通滤波器可以帮助隔离所需的频率范围，同时衰减该范围之外的信号，从而提高设备的 spurious AM rejection。除了改善音频质量外，spurious AM rejection 对维持整体系统完整性也至关重要。在数字通信中，数据通常通过无线电波传输，任何干扰都可能导致数据损坏或丢失。因此，具备强大 spurious AM rejection 能力的系统对于可靠的数据传输至关重要，尤其是在紧急服务和军事通信等关键应用中。此外，技术的进步导致了增强 spurious AM rejection 的复杂算法和技术的发展。例如，现代软件定义无线电（SDR）利用数字信号处理（DSP）分析输入信号，并有效过滤掉多余成分。这种适应性不仅改善了 spurious AM rejection，还允许更大的灵活性来处理各种类型的信号，使 SDR 成为当代通信系统中的热门选择。总之，spurious AM rejection 是通信系统的一个重要方面，直接影响信号传输的质量和可靠性。通过最小化不必要的干扰，它确保用户接收到清晰准确的信息。随着技术的不断发展，实现有效 spurious AM rejection 的方法无疑会得到改善，为更先进的通信解决方案铺平道路。理解和掌握 spurious AM rejection 的概念对于任何参与射频工程或通信技术领域的人来说都是至关重要的，因为它是现代通信系统有效性的基础。