sub-carrier frequency in hertz
简明释义
以赫表示的副载频
英英释义
例句
1.In digital broadcasting, the sub-carrier frequency in hertz 赫兹中的子载波频率 is crucial for multiplexing different channels.
在数字广播中,sub-carrier frequency in hertz 赫兹中的子载波频率对于多路复用不同频道至关重要。
2.To avoid interference, the sub-carrier frequency in hertz 赫兹中的子载波频率 must be carefully selected.
为了避免干扰,sub-carrier frequency in hertz 赫兹中的子载波频率必须仔细选择。
3.The sub-carrier frequency in hertz 赫兹中的子载波频率 is often adjusted during the calibration of communication equipment.
在通信设备的校准过程中,sub-carrier frequency in hertz 赫兹中的子载波频率通常会被调整。
4.The modulation technique used determines the sub-carrier frequency in hertz 赫兹中的子载波频率 required for optimal performance.
所使用的调制技术决定了获得最佳性能所需的sub-carrier frequency in hertz 赫兹中的子载波频率。
5.The radio system operates at a sub-carrier frequency in hertz 赫兹中的子载波频率 of 100 kHz to ensure clear communication.
该无线电系统以100 kHz的sub-carrier frequency in hertz 赫兹中的子载波频率运行,以确保清晰的通信。
作文
In the field of telecommunications and signal processing, understanding various frequency components is crucial for effective communication systems. One such important concept is the sub-carrier frequency in hertz, which plays a significant role in modulating signals for transmission over various mediums. The term 'sub-carrier' refers to a smaller frequency component that is used to carry information within a larger carrier signal. In essence, it allows multiple signals to coexist without interference, thereby optimizing the usage of available bandwidth.To elaborate further, the sub-carrier frequency in hertz is measured in hertz (Hz), which is the unit of frequency representing cycles per second. When data is transmitted over a communication channel, it is often modulated onto a carrier wave. This carrier wave can then be subdivided into several sub-carriers, each operating at a specific frequency. This technique is particularly useful in technologies such as Orthogonal Frequency Division Multiplexing (OFDM), commonly used in broadband communication systems like Wi-Fi and LTE.The use of sub-carrier frequency in hertz allows for efficient data transmission by enabling multiple channels to transmit simultaneously without causing interference with one another. Each sub-carrier can be modulated with different data streams, allowing for a higher overall data throughput. For example, in a digital television broadcast, multiple channels can be transmitted over the same frequency band using different sub-carrier frequencies in hertz. This capability is essential in maximizing the limited spectrum available for broadcasting.Moreover, the choice of sub-carrier frequency in hertz is critical in determining the performance of a communication system. Factors such as the distance between the transmitter and receiver, the type of modulation used, and the environment in which the signal is transmitted can all influence the optimal selection of sub-carrier frequencies. Engineers must carefully design the system to ensure that each sub-carrier can be accurately received and decoded without significant loss of quality.In addition to telecommunications, the concept of sub-carrier frequency in hertz is also applicable in other fields such as audio processing and radar technology. In audio applications, sub-carriers can be used to create complex sounds by layering multiple frequencies together. In radar systems, sub-carriers help in distinguishing between different targets by allowing multiple signals to be sent and received simultaneously.In conclusion, the sub-carrier frequency in hertz is an essential element in modern communication systems, enabling efficient and effective data transmission. By dividing a carrier signal into smaller frequency components, we can optimize bandwidth usage and improve overall system performance. As technology continues to advance, the importance of understanding and utilizing sub-carrier frequency in hertz will only grow, making it a fundamental concept for anyone involved in the fields of telecommunications, audio processing, and beyond.
在电信和信号处理领域,理解各种频率成分对于有效的通信系统至关重要。其中一个重要概念是赫兹中的子载波频率,它在调制信号以通过各种媒介传输中发挥着重要作用。“子载波”一词指的是用于在较大载波信号中承载信息的较小频率成分。本质上,它允许多个信号共存而不干扰,从而优化可用带宽的使用。进一步阐述,赫兹中的子载波频率以赫兹(Hz)为单位进行测量,赫兹是表示每秒周期数的频率单位。当数据通过通信通道传输时,通常会将其调制到载波波形上。然后,该载波波形可以细分为多个子载波,每个子载波在特定频率下工作。这种技术在正交频分复用(OFDM)等技术中特别有用,后者广泛应用于Wi-Fi和LTE等宽带通信系统。使用赫兹中的子载波频率可以通过使多个通道同时传输而不相互干扰,从而实现高效的数据传输。每个子载波可以调制不同的数据流,从而提高整体数据吞吐量。例如,在数字电视广播中,可以使用不同的赫兹中的子载波频率在同一频带上传输多个频道。这种能力对于最大化广播可用的有限频谱至关重要。此外,赫兹中的子载波频率的选择对于确定通信系统的性能至关重要。发射机与接收机之间的距离、使用的调制类型以及信号传输的环境等因素都可能影响子载波频率的最佳选择。工程师必须仔细设计系统,以确保每个子载波能够被准确接收和解码,而不会显著降低质量。除了电信,赫兹中的子载波频率的概念还适用于其他领域,如音频处理和雷达技术。在音频应用中,子载波可以通过叠加多个频率来创建复杂的声音。在雷达系统中,子载波有助于通过允许同时发送和接收多个信号来区分不同的目标。总之,赫兹中的子载波频率是现代通信系统中的一个基本元素,使高效和有效的数据传输成为可能。通过将载波信号划分为较小的频率成分,我们可以优化带宽使用并提高整体系统性能。随着技术的不断进步,理解和利用赫兹中的子载波频率的重要性只会增加,使其成为任何参与电信、音频处理等领域的人的基本概念。
相关单词