frequency synthesis

简明释义

频率合成

英英释义

Frequency synthesis is the process of generating a range of frequencies from a single reference frequency using various techniques such as mixing, modulation, and filtering.

频率合成是指通过混频、调制和滤波等各种技术,从单一参考频率生成一系列频率的过程。

例句

1.With frequency synthesis 频率合成, we can create multiple frequencies from a single reference signal.

通过频率合成 frequency synthesis,我们可以从单一参考信号创建多个频率。

2.Researchers are developing new algorithms for frequency synthesis 频率合成 to improve radar systems.

研究人员正在开发新的算法用于频率合成 frequency synthesis 以改善雷达系统。

3.The use of frequency synthesis 频率合成 in signal processing enhances the quality of audio and video transmissions.

在信号处理中的使用频率合成 frequency synthesis 提高了音频和视频传输的质量。

4.The engineer explained that frequency synthesis 频率合成 is crucial for generating stable signals in communication systems.

工程师解释说,频率合成 frequency synthesis 对于在通信系统中生成稳定信号至关重要。

5.In modern radio transmitters, frequency synthesis 频率合成 allows for precise tuning across a wide range of frequencies.

在现代无线电发射器中,频率合成 frequency synthesis 允许在广泛的频率范围内进行精确调谐。

作文

In the realm of modern telecommunications and signal processing, the concept of frequency synthesis plays a pivotal role. It refers to the technique of generating a range of frequencies from a single reference frequency. This process is crucial for various applications, including radio broadcasting, mobile communication, and even in the development of advanced radar systems. By utilizing frequency synthesis, engineers can create precise frequencies that are essential for transmitting information over long distances without significant loss or distortion.One of the most common methods of frequency synthesis is through phase-locked loops (PLLs). A PLL is an electronic circuit that synchronizes an output signal with a reference signal in frequency and phase. When a PLL is used, the system can lock onto a specific frequency and then generate multiples or fractions of that frequency. This capability allows for the creation of complex waveforms and signals needed in modern communication systems.Moreover, frequency synthesis can also be achieved using direct digital synthesis (DDS). DDS is a method where digital data is used to create analog waveforms. This technique offers high precision and flexibility in generating various frequencies on demand. By changing the digital input, the output frequency can be adjusted almost instantaneously, which is particularly advantageous in applications that require rapid frequency changes.The importance of frequency synthesis extends beyond telecommunications. In the field of instrumentation, it is essential for generating test signals for various devices. For example, in testing audio equipment, engineers may need to produce specific frequencies to evaluate the performance of speakers or microphones. Here, frequency synthesis ensures that the correct frequencies are generated accurately and consistently, providing reliable results during testing.Another significant application of frequency synthesis is in the field of music production. Synthesizers utilize this technique to create a wide array of sounds by combining different frequencies. Musicians and sound designers rely on frequency synthesis to craft unique tones and textures that define their artistic expression. The ability to manipulate frequencies allows for innovation in music, leading to new genres and styles.Furthermore, frequency synthesis is vital in scientific research, particularly in areas such as spectroscopy and metrology. Researchers use synthesized frequencies to probe materials and measure physical properties with high precision. By generating specific frequencies, scientists can gain insights into the molecular structure of substances or the behavior of light in different mediums.In conclusion, frequency synthesis is a fundamental technique that underpins many technological advancements in our society. From telecommunications to music production, its applications are vast and varied. As technology continues to evolve, the methods and techniques associated with frequency synthesis will undoubtedly advance, leading to even more innovative solutions and improvements in various fields. Understanding and mastering frequency synthesis is essential for anyone looking to make significant contributions to engineering, science, or the arts. It is a fascinating area of study that bridges the gap between theory and practical application, showcasing the power of frequency manipulation in shaping our modern world.

在现代电信和信号处理领域,频率合成的概念发挥着关键作用。它指的是从单一参考频率生成一系列频率的技术。这个过程对各种应用至关重要,包括广播、移动通信,甚至先进雷达系统的开发。通过利用频率合成,工程师可以创建精确的频率,这对于在长距离传输信息而不显著损失或失真是必不可少的。频率合成最常用的方法之一是相位锁定环(PLL)。PLL是一种电子电路,它使输出信号与参考信号在频率和相位上同步。当使用PLL时,系统可以锁定到特定频率,然后生成该频率的倍数或分数。这种能力允许创建现代通信系统所需的复杂波形和信号。此外,频率合成还可以通过直接数字合成(DDS)实现。DDS是一种使用数字数据创建模拟波形的方法。这种技术提供了高精度和灵活性,可以根据需要生成各种频率。通过改变数字输入,输出频率几乎可以瞬时调整,这在需要快速频率变化的应用中尤为有利。频率合成的重要性超越了电信。在仪器领域,它对于生成各种设备的测试信号至关重要。例如,在测试音频设备时,工程师可能需要产生特定频率以评估扬声器或麦克风的性能。在这里,频率合成确保生成的正确频率准确且一致,为测试提供可靠结果。频率合成的另一个重要应用是在音乐制作领域。合成器利用这一技术创建各种声音,通过组合不同的频率。音乐家和声音设计师依赖频率合成来制作独特的音调和质感,定义他们的艺术表现。操纵频率的能力使音乐创新成为可能,导致新流派和风格的出现。此外,频率合成在科学研究中也至关重要,特别是在光谱学和计量学等领域。研究人员使用合成的频率来探测材料并高精度地测量物理性质。通过生成特定频率,科学家可以深入了解物质的分子结构或光在不同介质中的行为。总之,频率合成是一项基础技术,支撑着我们社会许多技术进步。从电信到音乐制作,它的应用广泛而多样。随着技术的不断发展,与频率合成相关的方法和技术无疑将会进步,带来更具创新性的解决方案和各个领域的改进。理解和掌握频率合成对任何希望在工程、科学或艺术领域做出重大贡献的人来说都是至关重要的。这是一个迷人的研究领域,架起了理论与实际应用之间的桥梁,展示了频率操控在塑造我们现代世界中的力量。

相关单词

frequency

frequency详解:怎么读、什么意思、用法

synthesis

synthesis详解:怎么读、什么意思、用法