binary phase shift keying

简明释义

二相相移键控

英英释义

例句

1.In digital communication, binary phase shift keying 二进制相位键控 is often used to transmit data efficiently.

在数字通信中，二进制相位键控 binary phase shift keying 通常用于高效地传输数据。

2.The binary phase shift keying 二进制相位键控 scheme can double the data rate compared to traditional methods.

与传统方法相比，二进制相位键控 binary phase shift keying 方案可以将数据速率翻倍。

3.In wireless systems, binary phase shift keying 二进制相位键控 is commonly implemented for better signal integrity.

在无线系统中，通常会实现 二进制相位键控 binary phase shift keying 以提高信号完整性。

4.Engineers often prefer binary phase shift keying 二进制相位键控 for its robustness against noise.

工程师们通常更喜欢 二进制相位键控 binary phase shift keying，因为它对噪声的抗扰性强。

5.The binary phase shift keying 二进制相位键控 modulation technique is popular for satellite communications.

这种 二进制相位键控 binary phase shift keying 调制技术在卫星通信中非常流行。

作文

In the realm of digital communication, various modulation techniques are employed to enhance the efficiency and reliability of data transmission. One such technique is binary phase shift keying, commonly abbreviated as BPSK. This modulation scheme plays a crucial role in modern telecommunications, particularly in satellite communications and wireless networks. Understanding binary phase shift keying involves delving into its fundamental principles, advantages, and applications.At its core, binary phase shift keying is a form of phase modulation that conveys data by changing the phase of a carrier wave. In BPSK, two distinct phases are used to represent binary digits, or bits. Specifically, one phase represents a binary '0', while the other phase represents a binary '1'. This simple yet effective approach allows for efficient transmission of data over various channels. The primary advantage of binary phase shift keying lies in its robustness against noise and interference, making it an ideal choice for environments where signal degradation is a concern.The operation of binary phase shift keying can be visualized through the concept of a constellation diagram. In this diagram, the two phases are represented as points on a circle, with each point corresponding to either a binary '0' or '1'. When data is transmitted, the phase of the carrier wave shifts between these two points, effectively encoding the information being sent. This method not only simplifies the design of the transmitter and receiver but also enhances the overall performance of the communication system.One of the key applications of binary phase shift keying is in satellite communication systems. Satellites rely on robust modulation techniques to ensure reliable data transmission across vast distances. BPSK's resilience to noise makes it suitable for such applications, where maintaining signal integrity is paramount. Additionally, BPSK is often utilized in wireless communication standards, including Wi-Fi and Bluetooth, further demonstrating its versatility in various technological contexts.Moreover, binary phase shift keying serves as a foundation for more complex modulation schemes. For instance, variations like quadrature phase shift keying (QPSK) build upon the principles of BPSK by utilizing multiple phases to transmit more bits per symbol. This evolution showcases the importance of understanding BPSK as a stepping stone to grasping more advanced communication techniques.In conclusion, binary phase shift keying is a fundamental modulation technique that underpins many aspects of modern digital communication. Its simplicity, efficiency, and resilience against noise make it a preferred choice for various applications, from satellite communications to wireless networking. By comprehensively understanding binary phase shift keying, one can appreciate its significance in the ever-evolving landscape of telecommunications and the critical role it plays in enabling seamless data transmission in our increasingly connected world.

在数字通信领域，各种调制技术被用于提高数据传输的效率和可靠性。其中一种技术是二进制相位移键控，通常缩写为BPSK。这种调制方案在现代电信中发挥着至关重要的作用，特别是在卫星通信和无线网络中。理解二进制相位移键控涉及深入探讨其基本原理、优点和应用。从本质上讲，二进制相位移键控是一种通过改变载波波的相位来传达数据的相位调制形式。在BPSK中，使用两个不同的相位来表示二进制数字或位。具体而言，一个相位代表二进制“0”，而另一个相位代表二进制“1”。这种简单而有效的方法允许在各种信道上高效地传输数据。二进制相位移键控的主要优点在于其对噪声和干扰的鲁棒性，使其成为信号衰减问题突出的环境中的理想选择。二进制相位移键控的操作可以通过星座图的概念进行可视化。在该图中，两个相位被表示为圆上的点，每个点对应于二进制“0”或“1”。当数据被传输时，载波的相位在这两个点之间变化，有效地编码所发送的信息。这种方法不仅简化了发射器和接收器的设计，还增强了通信系统的整体性能。二进制相位移键控的一个关键应用是卫星通信系统。卫星依赖于强大的调制技术以确保在遥远距离上传输可靠的数据。BPSK对噪声的抗干扰能力使其适合此类应用，其中保持信号完整性至关重要。此外，BPSK还常用于无线通信标准，包括Wi-Fi和蓝牙，进一步展示了其在各种技术背景下的多功能性。此外，二进制相位移键控作为更复杂调制方案的基础。例如，正交相位移键控（QPSK）等变体建立在BPSK的原则之上，通过利用多个相位来每个符号传输更多的位。这一演变展示了理解BPSK作为掌握更先进通信技术的基础的重要性。总之，二进制相位移键控是一种基本的调制技术，支撑着现代数字通信的许多方面。其简单性、效率和对噪声的鲁棒性使其成为各种应用的首选，从卫星通信到无线网络。通过全面理解二进制相位移键控，人们可以欣赏其在快速发展的电信领域中的重要性，以及它在实现我们日益互联的世界中无缝数据传输中所发挥的关键作用。