pulse repetition rate
简明释义
脉冲重复频率
英英释义
The pulse repetition rate (PRR) is the frequency at which a series of pulses are generated in a system, typically measured in hertz (Hz). | 脉冲重复率(PRR)是指在一个系统中生成一系列脉冲的频率,通常以赫兹(Hz)为单位进行测量。 |
例句
1.The pulse repetition rate is crucial for determining the range of the laser in LIDAR applications.
在激光雷达应用中,脉冲重复频率对于确定激光的范围至关重要。
2.Engineers must consider the pulse repetition rate when designing communication systems.
工程师在设计通信系统时必须考虑脉冲重复频率。
3.The radar system operates at a high pulse repetition rate to detect fast-moving objects.
该雷达系统以高脉冲重复频率运行,以探测快速移动的物体。
4.Higher pulse repetition rates can lead to more detailed data collection in sonar systems.
更高的脉冲重复频率可以在声纳系统中导致更详细的数据收集。
5.In medical imaging, adjusting the pulse repetition rate can improve the quality of the scans.
在医学成像中,调整脉冲重复频率可以提高扫描的质量。
作文
In the field of science and technology, particularly in areas such as radar and medical imaging, the term pulse repetition rate is frequently encountered. The pulse repetition rate (PRR) refers to the frequency at which a pulse signal is repeated over time. This concept is crucial because it directly affects the performance and resolution of various systems that utilize pulsed signals. For instance, in radar technology, the pulse repetition rate determines how often the radar emits pulses to detect objects, measure distances, and track their movement. A higher PRR can provide more frequent updates on an object's position, leading to better tracking accuracy. However, it also requires more processing power and can lead to increased noise levels if not managed properly.In medical imaging, particularly in techniques like ultrasound and MRI, the pulse repetition rate plays a significant role in image quality. In ultrasound, for example, a higher PRR allows for more detailed images by sending more pulses per second. This results in better temporal resolution, enabling healthcare professionals to observe rapid movements within the body, such as the beating of the heart. However, there is a trade-off; if the pulse repetition rate is too high, it may cause overheating of the transducer, which can harm both the equipment and the patient.The concept of pulse repetition rate is also applicable in telecommunications, where it is used to modulate signals for efficient transmission. By adjusting the pulse repetition rate, engineers can optimize data transfer rates, balancing between speed and reliability. In digital communication systems, a higher PRR can enhance the data rate, but it may also increase the likelihood of errors if the system cannot handle the rapid succession of pulses.Understanding the implications of pulse repetition rate is essential for professionals working in these fields. It requires a solid grasp of both the theoretical aspects and practical applications. Engineers and technicians must consider factors such as the environment, the type of equipment being used, and the specific requirements of each application when determining the optimal pulse repetition rate. This careful consideration ensures that systems operate efficiently while achieving the desired outcomes.In conclusion, the pulse repetition rate is a fundamental concept that impacts various technologies ranging from radar to medical imaging and telecommunications. Mastery of this term allows professionals to make informed decisions regarding system design and operation. As technology continues to advance, the ability to manipulate and understand the pulse repetition rate will remain a critical skill for those in technical fields. Whether it is enhancing the clarity of medical images or improving the accuracy of radar detection, the pulse repetition rate is a vital parameter that influences performance and effectiveness. Therefore, ongoing education and research into this area are essential for continued innovation and improvement in technology applications.
在科学和技术领域,特别是在雷达和医学成像等领域,术语脉冲重复频率经常出现。脉冲重复频率(PRR)指的是脉冲信号在时间上重复的频率。这个概念至关重要,因为它直接影响到利用脉冲信号的各种系统的性能和分辨率。例如,在雷达技术中,脉冲重复频率决定了雷达发出脉冲以检测物体、测量距离和跟踪其运动的频率。更高的PRR可以提供对物体位置的更频繁更新,从而提高跟踪精度。然而,它也需要更多的处理能力,如果管理不当,可能会导致噪声水平增加。在医学成像中,特别是在超声和MRI等技术中,脉冲重复频率在图像质量中发挥着重要作用。例如,在超声中,更高的PRR通过每秒发送更多脉冲来允许更详细的图像。这导致更好的时间分辨率,使医疗专业人员能够观察身体内的快速运动,如心脏的跳动。然而,这也存在一个权衡;如果脉冲重复频率过高,可能会导致传感器过热,这可能会损害设备和患者。脉冲重复频率的概念在电信中也适用,在那里它用于调制信号以实现高效传输。通过调整脉冲重复频率,工程师可以优化数据传输速率,平衡速度和可靠性。在数字通信系统中,更高的PRR可以提高数据速率,但如果系统无法处理快速连续的脉冲,错误的可能性也会增加。理解脉冲重复频率的影响对于在这些领域工作的专业人士而言至关重要。这需要对理论方面和实际应用都有扎实的掌握。工程师和技术人员在确定最佳脉冲重复频率时,必须考虑环境、所使用的设备类型以及每个应用的具体要求。这种细致的考虑确保系统高效运行,同时实现预期的结果。总之,脉冲重复频率是一个基本概念,影响从雷达到医学成像和电信的各种技术。掌握这个术语使专业人士能够就系统设计和操作做出明智的决策。随着技术的不断进步,操控和理解脉冲重复频率的能力将继续成为技术领域人才的重要技能。无论是改善医学图像的清晰度,还是提高雷达探测的准确性,脉冲重复频率都是影响性能和有效性的关键参数。因此,持续的教育和研究在这一领域对于技术应用的持续创新和改进至关重要。
相关单词