charge coupled device

简明释义

电荷耦合掐

英英释义

例句

1.Many modern smartphones utilize a charge coupled device for their rear cameras.

许多现代智能手机在其后置摄像头中使用电荷耦合设备。

2.The charge coupled device technology has revolutionized the field of digital imaging.

电荷耦合设备技术彻底改变了数字成像领域。

3.In scientific research, a charge coupled device is often used in spectrometers.

在科学研究中，电荷耦合设备常用于光谱仪中。

4.The camera uses a charge coupled device to capture high-quality images.

这款相机使用电荷耦合设备来捕捉高质量的图像。

5.In astronomy, a charge coupled device is essential for detecting faint light from distant stars.

在天文学中，电荷耦合设备对于检测来自遥远恒星的微弱光线至关重要。

作文

In the world of modern technology, one of the most significant advancements in imaging and sensing is the development of the charge coupled device. This innovative technology has transformed various fields, including photography, astronomy, and medical imaging. Understanding the charge coupled device is essential for appreciating its impact on both everyday life and scientific research.A charge coupled device (CCD) is an electronic light sensor that captures images by converting light into electrical charges. The device consists of an array of capacitors, where each capacitor corresponds to a pixel in the final image. When light strikes the CCD, it generates electrons proportional to the intensity of the light. These electrons are then collected and transferred across the chip, ultimately leading to the formation of a digital image.The first charge coupled device was invented in 1969 by Willard Boyle and George E. Smith at Bell Labs. Their groundbreaking work laid the foundation for the development of digital cameras and video equipment. Before the advent of CCD technology, imaging was primarily based on film, which had limitations in terms of sensitivity, dynamic range, and ease of use. With the introduction of the charge coupled device, photographers could capture high-quality images with greater detail and accuracy.One of the key advantages of a charge coupled device is its ability to produce low-noise images. Noise is an unwanted signal that can degrade the quality of an image, and CCDs are designed to minimize this effect. This characteristic makes CCDs particularly useful in low-light conditions, such as astrophotography, where capturing faint celestial objects is crucial. Astronomers rely on charge coupled devices to observe and study distant galaxies, stars, and other astronomical phenomena, enabling them to gather data that was previously unattainable.In addition to astronomy, charge coupled devices have significantly impacted the field of medicine. In medical imaging, CCDs are used in devices such as endoscopes and X-ray machines. These applications allow for non-invasive examination of the human body, leading to better diagnosis and treatment options. The high sensitivity of CCDs ensures that even the slightest variations in light can be detected, providing doctors with critical information about a patient's health.Moreover, the versatility of charge coupled devices extends beyond traditional imaging. They are also employed in scientific research, industrial applications, and security systems. For instance, in scientific experiments, CCDs are used to capture images of chemical reactions or biological processes, contributing to advancements in various fields of study. In the industrial sector, CCDs are utilized in quality control processes, ensuring that products meet specific standards before reaching consumers.As technology continues to evolve, the charge coupled device remains a vital component in the realm of imaging. Researchers are constantly exploring ways to enhance CCD performance, focusing on improving sensitivity, reducing size, and increasing speed. Innovations in this area could lead to even more sophisticated imaging systems, further bridging the gap between the physical and digital worlds.In conclusion, the charge coupled device represents a remarkable achievement in technological advancement. Its influence spans multiple domains, from photography to medicine and beyond. By understanding the principles and applications of CCD technology, we can appreciate its role in shaping our modern world and its potential for future innovations.

在现代科技的世界中，成像和传感领域最重要的进步之一是开发了电荷耦合器件。这一创新技术已经改变了包括摄影、天文学和医学成像等多个领域。理解电荷耦合器件对于欣赏其对日常生活和科学研究的影响至关重要。电荷耦合器件（CCD）是一种电子光传感器，通过将光转换为电荷来捕捉图像。该设备由一个电容器阵列组成，其中每个电容器对应于最终图像中的一个像素。当光线照射到CCD上时，会产生与光强度成正比的电子。这些电子随后被收集并在芯片上转移，最终形成数字图像。第一个电荷耦合器件是由威拉德·博伊尔和乔治·E·史密斯于1969年在贝尔实验室发明的。他们的开创性工作为数字相机和视频设备的发展奠定了基础。在CCD技术出现之前，成像主要基于胶卷，这在灵敏度、动态范围和使用便利性方面存在局限性。随着电荷耦合器件的引入，摄影师能够以更高的细节和准确性捕捉高质量图像。电荷耦合器件的一个关键优点是它能够生成低噪声图像。噪声是一种不需要的信号，可能会降低图像质量，而CCDs旨在最小化这种效果。这一特性使得CCDs在低光条件下特别有用，例如天文摄影，在这里捕捉微弱的天体物体至关重要。天文学家依赖电荷耦合器件观察和研究遥远的星系、恒星和其他天文现象，使他们能够收集以前无法获得的数据。除了天文学，电荷耦合器件在医学领域也产生了重大影响。在医学成像中，CCDs用于内窥镜和X光机等设备。这些应用允许对人体进行非侵入性检查，从而导致更好的诊断和治疗选择。CCDs的高灵敏度确保即使是微小的光变化也能被检测到，为医生提供有关患者健康的重要信息。此外，电荷耦合器件的多功能性超越了传统成像。它们还被用于科学研究、工业应用和安全系统。例如，在科学实验中，CCDs用于捕捉化学反应或生物过程的图像，为各个研究领域的进展做出贡献。在工业部门，CCDs被用于质量控制过程，确保产品在到达消费者之前符合特定标准。随着技术的不断发展，电荷耦合器件仍然是成像领域的重要组成部分。研究人员不断探索提高CCD性能的方法，重点是提高灵敏度、减小尺寸和增加速度。在这一领域的创新可能会导致更复杂的成像系统，进一步弥合物理世界和数字世界之间的差距。总之，电荷耦合器件代表了技术进步的显著成就。它的影响跨越多个领域，从摄影到医学及其他领域。通过理解CCD技术的原理和应用，我们可以欣赏它在塑造我们现代世界中的作用及其未来创新的潜力。