maximum frequency deviation

简明释义

最大频率偏移

英英释义

例句

1.In telecommunications, the maximum frequency deviation (最大频率偏差) is critical for maintaining the quality of the transmitted signal.

在电信中，最大频率偏差 (最大频率偏差)对保持传输信号的质量至关重要。

2.Engineers must measure the maximum frequency deviation (最大频率偏差) during testing to ensure compliance with regulatory standards.

工程师在测试期间必须测量最大频率偏差 (最大频率偏差)以确保符合监管标准。

3.The maximum frequency deviation (最大频率偏差) can affect the performance of a phase-locked loop (PLL).

对于锁相环(PLL)而言，最大频率偏差 (最大频率偏差)会影响其性能。

4.To achieve better modulation, we need to minimize the maximum frequency deviation (最大频率偏差).

为了实现更好的调制，我们需要最小化最大频率偏差 (最大频率偏差)。

5.The design of the oscillator must account for the maximum frequency deviation (最大频率偏差) to ensure signal integrity.

振荡器的设计必须考虑到最大频率偏差 (最大频率偏差)以确保信号完整性。

作文

In the field of telecommunications and signal processing, understanding the concept of maximum frequency deviation is crucial for designing efficient communication systems. The term refers to the greatest difference in frequency that a modulated signal can deviate from its carrier frequency. This deviation is essential in various modulation techniques, particularly in frequency modulation (FM). When we transmit information over radio waves or other mediums, it is vital to encode this information in a way that it can be accurately received and interpreted by the receiver. The maximum frequency deviation plays a significant role in ensuring that the transmitted signal remains within the allowable limits of the communication channel.To comprehend the importance of maximum frequency deviation, we must first look at how frequency modulation works. In FM, the amplitude of the carrier wave remains constant, while its frequency varies according to the amplitude of the input signal. This variation allows the signal to carry more information, as changes in frequency can represent different data points. However, if the frequency deviates too much from the original carrier frequency, it can lead to distortion or loss of signal quality. Hence, the maximum frequency deviation must be carefully controlled to ensure that the signal remains intelligible and within the bandwidth of the communication channel.One practical example of maximum frequency deviation can be seen in FM radio broadcasting. Radio stations typically operate within specific frequency bands, and they must adhere to regulations regarding the maximum frequency deviation allowed for their transmissions. This ensures that signals do not interfere with one another and that listeners can enjoy clear audio without interruptions. If a station were to exceed the maximum frequency deviation, it could cause interference with adjacent channels, leading to poor reception and a frustrating experience for listeners.Moreover, the maximum frequency deviation is also critical in digital communication systems. In these systems, data is often transmitted using various modulation schemes that rely on frequency changes to represent binary information. For instance, in Frequency Shift Keying (FSK), different frequencies are used to represent binary '0' and '1'. The maximum frequency deviation in such cases determines how far apart these frequencies can be, impacting the overall data rate and reliability of the communication link.In conclusion, the concept of maximum frequency deviation is fundamental to both analog and digital communication systems. It ensures that signals can be transmitted effectively without causing interference or distortion. Understanding this concept allows engineers and technicians to design better communication systems that can operate efficiently within the constraints of available bandwidth. As technology continues to advance, the principles surrounding maximum frequency deviation will remain essential in developing new and innovative ways to transmit information across various platforms, ultimately enhancing our ability to communicate in an ever-connected world.

在电信和信号处理领域，理解最大频率偏差的概念对于设计高效的通信系统至关重要。该术语指的是调制信号相对于其载波频率的最大频率偏差。这种偏差在各种调制技术中都是必不可少的，特别是在频率调制（FM）中。当我们通过无线电波或其他媒介传输信息时，以一种能够被接收方准确接收和解释的方式编码这些信息是至关重要的。最大频率偏差在确保传输信号保持在通信信道允许的范围内方面发挥着重要作用。要理解最大频率偏差的重要性，我们必须首先了解频率调制的工作原理。在FM中，载波波的幅度保持不变，而其频率根据输入信号的幅度变化。这种变化使得信号能够承载更多的信息，因为频率的变化可以表示不同的数据点。然而，如果频率偏离原始载波频率过多，则可能导致失真或信号质量下降。因此，必须仔细控制最大频率偏差，以确保信号保持可理解性并在通信信道的带宽范围内。最大频率偏差的一个实际例子可以在FM广播中看到。广播电台通常在特定的频带内运行，并且必须遵守有关其传输的最大频率偏差的规定。这确保了信号不会相互干扰，听众可以享受清晰的音频而没有中断。如果一个电台超过了最大频率偏差，可能会导致与相邻频道的干扰，从而导致接收不良，给听众带来沮丧的体验。此外，最大频率偏差在数字通信系统中也至关重要。在这些系统中，数据常常使用各种调制方案进行传输，这些方案依赖于频率变化来表示二进制信息。例如，在频移键控（FSK）中，不同的频率用于表示二进制“0”和“1”。在这种情况下，最大频率偏差决定了这些频率之间的距离，影响通信链路的整体数据速率和可靠性。总之，最大频率偏差的概念对模拟和数字通信系统都是基础性的。它确保信号能够有效地传输，而不会造成干扰或失真。理解这一概念使工程师和技术人员能够设计出更好的通信系统，这些系统能够在可用带宽的限制内高效运行。随着技术的不断进步，围绕最大频率偏差的原则将在开发新颖和创新的方式上继续发挥重要作用，以便在各种平台上传输信息，最终增强我们在日益互联的世界中沟通的能力。