signal generator

简明释义

信号发生器

英英释义

例句

1.In the lab, we rely on a signal generator for simulating various communication signals.

在实验室中，我们依赖一个信号发生器来模拟各种通信信号。

2.The signal generator can produce sine, square, and triangle waveforms for different applications.

这个信号发生器可以产生正弦波、方波和三角波，用于不同的应用。

3.To calibrate the radar system, we need a precise signal generator that operates at high frequencies.

为了校准雷达系统，我们需要一个在高频下工作的精确信号发生器。

4.The technician adjusted the signal generator settings to match the required output.

技术员调整了信号发生器的设置以匹配所需的输出。

5.The engineer used a signal generator to test the frequency response of the audio equipment.

工程师使用了一个信号发生器来测试音频设备的频率响应。

作文

In the realm of electronics and communication, a device known as a signal generator plays a crucial role. A signal generator (信号发生器) is an instrument that produces electrical signals with specific characteristics. These signals can be used for various applications such as testing, troubleshooting, and developing electronic devices. Understanding how a signal generator functions is essential for engineers and technicians who work in fields related to electronics, telecommunications, and signal processing.One of the primary functions of a signal generator is to create waveforms that can simulate real-world signals. For example, when designing a radio transmitter, engineers use a signal generator to produce radio frequency signals that mimic those expected in actual operation. This allows them to test the performance of the transmitter under controlled conditions. The ability to generate different types of waveforms, including sine, square, triangle, and sawtooth waves, makes the signal generator an invaluable tool in the lab.Moreover, a signal generator can also be used to modulate signals, which is vital for communication systems. Modulation is the process of varying a carrier signal in order to transmit information. For instance, in amplitude modulation (AM), the amplitude of the carrier wave is varied according to the information signal. A signal generator can produce both the carrier wave and the modulating signal, enabling engineers to analyze how well their communication systems perform.Another significant application of a signal generator is in the field of radar technology. In radar systems, a signal generator is used to create the microwave signals that are transmitted and then reflected off objects. By analyzing the returned signals, operators can determine the distance, speed, and size of the objects detected. This capability is crucial for air traffic control, weather monitoring, and military applications.In modern electronics, digital signal generators have emerged, which offer enhanced capabilities compared to their analog counterparts. Digital signal generators can produce highly accurate and stable signals with programmable frequency and amplitude settings. They often come with built-in modulation capabilities and can interface with computers for automated testing and analysis. This advancement has made digital signal generators a preferred choice in many research and development environments.Furthermore, the versatility of a signal generator extends beyond just generating signals. It can also be used in conjunction with other equipment such as oscilloscopes and spectrum analyzers. By connecting a signal generator to an oscilloscope, technicians can visualize the generated waveforms, allowing for detailed analysis of signal integrity and performance. Similarly, when paired with a spectrum analyzer, a signal generator helps in assessing the frequency response of circuits and systems.In conclusion, a signal generator (信号发生器) is an essential instrument in the field of electronics and communication. Its ability to generate a variety of signals and waveforms makes it indispensable for testing and developing electronic devices. Whether in the laboratory, in communication systems, or in radar technology, the signal generator continues to be a fundamental tool that aids engineers and technicians in their work. As technology advances, the role of the signal generator will only become more critical, ensuring that we can continue to innovate and improve our electronic systems.

在电子和通信领域，一种称为信号发生器的设备发挥着至关重要的作用。信号发生器（信号发生器）是一种产生具有特定特征的电信号的仪器。这些信号可用于各种应用，例如测试、故障排除和开发电子设备。理解信号发生器的工作原理对于从事电子、通信和信号处理相关领域的工程师和技术人员至关重要。信号发生器的主要功能之一是创建可以模拟现实世界信号的波形。例如，在设计无线电发射器时，工程师使用信号发生器生成模仿实际操作中预期的无线电频率信号。这使他们能够在受控条件下测试发射器的性能。能够生成不同类型的波形，包括正弦波、方波、三角波和锯齿波，使得信号发生器成为实验室中不可或缺的工具。此外，信号发生器还可用于调制信号，这对通信系统至关重要。调制是指根据信息信号变化载波信号的过程。例如，在幅度调制（AM）中，载波波的幅度根据信息信号而变化。信号发生器可以生成载波波和调制信号，使工程师能够分析其通信系统的性能。信号发生器的另一个重要应用是在雷达技术领域。在雷达系统中，信号发生器用于创建被发射并反射回物体的微波信号。通过分析返回的信号，操作员可以确定检测到物体的距离、速度和大小。这种能力对于空中交通管制、天气监测和军事应用至关重要。在现代电子产品中，数字信号发生器已经出现，相比于模拟型，它们提供了更强大的功能。数字信号发生器可以生成高精度和稳定性的信号，并具备可编程的频率和幅度设置。它们通常配有内置调制能力，并且可以与计算机接口以实现自动化测试和分析。这一进展使得数字信号发生器成为许多研究和开发环境中的首选。此外，信号发生器的多功能性不仅限于生成信号。它还可以与其他设备如示波器和频谱分析仪结合使用。通过将信号发生器连接到示波器，技术人员可以可视化生成的波形，从而对信号完整性和性能进行详细分析。同样，当与频谱分析仪配对时，信号发生器有助于评估电路和系统的频率响应。总之，信号发生器（信号发生器）是电子和通信领域的一种基本仪器。它生成各种信号和波形的能力使其成为测试和开发电子设备不可或缺的工具。无论是在实验室、通信系统还是雷达技术中，信号发生器仍然是帮助工程师和技术人员工作的基本工具。随着技术的进步，信号发生器的角色只会变得更加重要，确保我们能够继续创新和改进我们的电子系统。