modulation parameter
简明释义
调制参数
英英释义
A modulation parameter is a variable that influences the characteristics of a modulation process, such as amplitude, frequency, or phase in signal processing. | 调制参数是影响调制过程特征的变量,例如在信号处理中调幅、调频或相位。 |
例句
1.In digital communications, the modulation parameter 调制参数 affects the error rate during data transmission.
在数字通信中,调制参数 modulation parameter 影响数据传输过程中的错误率。
2.Adjusting the modulation parameter 调制参数 can significantly improve the quality of the audio transmission.
调整 调制参数 modulation parameter 可以显著提高音频传输的质量。
3.In this communication system, the modulation parameter 调制参数 determines the bandwidth of the transmitted signal.
在这个通信系统中,调制参数 modulation parameter 决定了传输信号的带宽。
4.The effectiveness of the algorithm relies heavily on the chosen modulation parameter 调制参数.
算法的有效性在很大程度上依赖于所选择的 调制参数 modulation parameter。
5.Engineers must carefully select the modulation parameter 调制参数 to optimize the performance of the system.
工程师必须仔细选择 调制参数 modulation parameter 以优化系统性能。
作文
In the field of communication systems, the term modulation parameter refers to the specific characteristics that define how a signal is modified for transmission. This process is essential as it allows information to be conveyed over various mediums, such as radio waves or optical fibers. The modulation parameter can include aspects like amplitude, frequency, and phase of the carrier wave, which are adjusted to encode the information being sent. Understanding these parameters is crucial for engineers and technicians who design and maintain communication systems.For instance, consider amplitude modulation (AM), where the amplitude of the carrier wave is varied in accordance with the information signal. The modulation parameter in this case would be the amplitude itself. By manipulating the amplitude, the information can be transmitted effectively, allowing for clear audio signals in radio broadcasting. Similarly, in frequency modulation (FM), the frequency of the carrier wave changes based on the input signal, making the frequency the key modulation parameter.The choice of modulation parameters plays a significant role in determining the efficiency and quality of the communication system. For example, higher frequency modulation can lead to better sound quality and less interference, but it may require more advanced technology and equipment. On the other hand, lower frequency signals can travel longer distances but may suffer from lower fidelity.Moreover, the impact of environmental factors on these modulation parameters cannot be overlooked. Factors such as distance, obstacles, and atmospheric conditions can affect signal strength and clarity. Therefore, engineers must often adjust these parameters dynamically to ensure optimal performance, which involves a deep understanding of both the theoretical and practical aspects of modulation.In modern digital communication, the concept of modulation parameters has evolved further with the introduction of complex modulation schemes like Quadrature Amplitude Modulation (QAM) and Orthogonal Frequency Division Multiplexing (OFDM). These techniques utilize multiple modulation parameters simultaneously to increase data rates and improve bandwidth efficiency. For example, QAM combines both amplitude and phase variations, allowing for the transmission of multiple bits of information per symbol.As technology continues to advance, the importance of mastering modulation parameters becomes even more critical. With the rise of 5G networks and beyond, the demand for high-speed, reliable communication will necessitate a deeper understanding of how these parameters can be optimized. Engineers must not only grasp the fundamental concepts but also stay updated with the latest developments in modulation techniques and their applications.In conclusion, modulation parameters are foundational elements in the realm of communication systems. They determine how signals are altered for effective transmission and reception. A comprehensive understanding of these parameters enables professionals to enhance communication quality, adapt to varying environmental conditions, and embrace new technologies. As we move towards an increasingly interconnected world, the mastery of modulation parameters will continue to be a vital skill for those in the field of telecommunications.
在通信系统领域,术语调制参数指的是定义信号如何修改以进行传输的具体特征。这个过程至关重要,因为它允许信息通过各种媒介传递,如无线电波或光纤。调制参数可以包括载波波的幅度、频率和相位等方面,这些参数被调整以编码所发送的信息。理解这些参数对于设计和维护通信系统的工程师和技术人员至关重要。例如,考虑幅度调制(AM),其中载波波的幅度根据信息信号变化。在这种情况下,调制参数将是幅度。通过操控幅度,可以有效地传输信息,从而在广播中实现清晰的音频信号。同样,在频率调制(FM)中,载波波的频率根据输入信号变化,使得频率成为关键的调制参数。选择调制参数在决定通信系统的效率和质量方面发挥着重要作用。例如,更高的频率调制可以带来更好的音质和更少的干扰,但可能需要更先进的技术和设备。另一方面,较低频率的信号可以传播更远的距离,但可能会遭受较低的保真度。此外,环境因素对这些调制参数的影响也不容忽视。距离、障碍物和大气条件等因素都会影响信号的强度和清晰度。因此,工程师们往往必须动态调整这些参数,以确保最佳性能,这涉及到对调制理论和实践方面的深刻理解。在现代数字通信中,随着复杂调制方案的引入,调制参数的概念进一步发展,如正交振幅调制(QAM)和正交频分复用(OFDM)。这些技术同时利用多个调制参数以提高数据传输速率和改善带宽效率。例如,QAM结合了幅度和相位的变化,允许每个符号传输多个比特的信息。随着技术的不断进步,掌握调制参数的重要性变得愈加关键。随着5G网络及其后续技术的兴起,对高速、可靠通信的需求将迫使人们更深入地理解如何优化这些参数。工程师不仅必须掌握基本概念,还需跟上调制技术及其应用的最新发展。总之,调制参数是通信系统领域的基础元素。它们决定了信号如何被改变以实现有效的传输和接收。全面理解这些参数使专业人员能够提升通信质量,适应不同的环境条件,并迎接新技术的挑战。随着我们走向一个日益互联的世界,掌握调制参数将继续成为电信领域人士的一项重要技能。
相关单词