maximum modulating frequency

简明释义

最高调制频率

英英释义

例句

1.The designer specified a maximum modulating frequency 最大调制频率 of 15 kHz for the new transmitter.

设计师为新的发射器指定了一个最大调制频率 最大调制频率 为15 kHz。

2.In video broadcasting, the maximum modulating frequency 最大调制频率 affects the resolution of the transmitted image.

在视频广播中，最大调制频率 最大调制频率 影响传输图像的分辨率。

3.To achieve high fidelity audio, one must consider the maximum modulating frequency 最大调制频率 of the sound system.

为了实现高保真音频，必须考虑音响系统的最大调制频率 最大调制频率。

4.In radio communications, the maximum modulating frequency 最大调制频率 determines how much information can be transmitted without distortion.

在无线通信中，最大调制频率 最大调制频率 决定了可以在不失真的情况下传输多少信息。

5.Engineers must ensure that the maximum modulating frequency 最大调制频率 is within acceptable limits to avoid signal degradation.

工程师必须确保最大调制频率 最大调制频率 在可接受的范围内，以避免信号退化。

作文

In the realm of communication technology, understanding the concept of maximum modulating frequency is crucial for optimizing signal transmission. The term refers to the highest frequency at which a modulating signal can effectively alter the characteristics of a carrier wave without introducing significant distortion. This concept is particularly important in various forms of modulation, such as amplitude modulation (AM) and frequency modulation (FM), where the integrity of the transmitted information relies heavily on the fidelity of the modulating signal.The maximum modulating frequency determines how much information can be transmitted over a given bandwidth. For instance, in AM broadcasting, the modulating frequency must remain within a certain range to ensure that the audio signals do not exceed the limits of the carrier wave's capabilities. If the modulating frequency exceeds this maximum threshold, it can lead to phenomena such as distortion or interference, which can severely degrade the quality of the received signal.In practical applications, engineers often calculate the maximum modulating frequency based on the specifications of the transmission system. For example, in FM radio, the Carson's Rule provides a way to estimate the necessary bandwidth by considering both the maximum modulating frequency and the peak frequency deviation of the carrier signal. This relationship is vital for ensuring that the transmitted signal remains clear and comprehensible to listeners.Moreover, the maximum modulating frequency also plays a significant role in digital communications. In systems like pulse-code modulation (PCM), the Nyquist theorem states that the sampling frequency must be at least twice the maximum modulating frequency to accurately reconstruct the original signal. This principle highlights the importance of adhering to the maximum modulating frequency when designing circuits and systems for digital data transmission. Failure to do so may result in aliasing, where higher frequency components are misrepresented, leading to a loss of information.Additionally, advancements in technology have led to the exploration of higher frequencies for modulation, challenging traditional definitions of the maximum modulating frequency. With the rise of broadband communication and high-frequency trading, the need for faster and more efficient modulation techniques has become apparent. Engineers are now tasked with pushing the limits of the maximum modulating frequency to accommodate the growing demand for speed and capacity in data transmission.In conclusion, the concept of maximum modulating frequency is fundamental in the field of communication technology. It influences the design and performance of various modulation schemes, ensuring that information is transmitted accurately and efficiently. As technology continues to evolve, understanding and applying the principles surrounding the maximum modulating frequency will be essential for engineers and researchers alike, driving innovation and improving communication systems worldwide.

在通信技术领域，理解“最大调制频率”这一概念对于优化信号传输至关重要。该术语指的是调制信号能够有效改变载波波形特征的最高频率，而不引入显著失真。这个概念在多种调制形式中尤为重要，例如幅度调制（AM）和频率调制（FM），因为所传输信息的完整性在很大程度上依赖于调制信号的保真度。“最大调制频率”决定了在给定带宽内可以传输多少信息。例如，在AM广播中，调制频率必须保持在一定范围内，以确保音频信号不会超出载波波形的能力限制。如果调制频率超过这个最大阈值，就可能导致失真或干扰等现象，从而严重降低接收信号的质量。在实际应用中，工程师通常根据传输系统的规格计算“最大调制频率”。例如，在FM广播中，卡森规则提供了一种通过考虑“最大调制频率”和载波信号的峰值频率偏移来估算所需带宽的方法。这种关系对于确保所传输信号对听众保持清晰和易懂至关重要。此外，“最大调制频率”在数字通信中也扮演着重要角色。在脉冲编码调制（PCM）系统中，奈奎斯特定理指出，采样频率必须至少是“最大调制频率”的两倍，以准确重构原始信号。这一原则突显了在设计电路和数字数据传输系统时遵循“最大调制频率”的重要性。如果不这样做，可能会导致混叠现象，即高频成分被错误表示，从而导致信息丢失。此外，技术的进步促使人们探索更高频率的调制，挑战传统的“最大调制频率”定义。随着宽带通信和高频交易的兴起，对更快、更高效的调制技术的需求变得明显。工程师们现在面临着推动“最大调制频率”极限的任务，以满足对速度和容量日益增长的需求。总之，“最大调制频率”这一概念在通信技术领域是基础性的。它影响着各种调制方案的设计和性能，确保信息被准确高效地传输。随着技术的不断发展，理解和应用围绕“最大调制频率”的原则将对工程师和研究人员来说至关重要，推动创新并改善全球通信系统。