capacitive bridge

简明释义

电容电桥

英英释义

例句

1.The capacitive bridge can help identify changes in material properties by measuring capacitance variations.

通过测量电容变化，电容桥可以帮助识别材料属性的变化。

2.The capacitive bridge circuit was essential for our experiment on dielectric materials.

在我们对介电材料的实验中，电容桥电路是必不可少的。

3.Using a capacitive bridge, we were able to calibrate our measurement devices accurately.

利用电容桥，我们能够准确地校准我们的测量设备。

4.The engineer designed a capacitive bridge to measure the capacitance of various sensors.

工程师设计了一个电容桥来测量各种传感器的电容。

5.In our lab, we frequently use a capacitive bridge for precise capacitance measurements.

在我们的实验室中，我们经常使用电容桥进行精确的电容测量。

作文

In the realm of electrical engineering, various devices and circuits are utilized to measure and analyze different electrical properties. One such device is the capacitive bridge, which is instrumental in measuring capacitance with high precision. The capacitive bridge operates on the principle of balancing two capacitive branches, allowing for accurate determination of unknown capacitances by comparing them with known values. This technique is particularly valuable in laboratories and industrial applications where precise measurements are critical.The basic configuration of a capacitive bridge consists of four arms: two known capacitors, one unknown capacitor, and a variable capacitor used for balancing. By adjusting the variable capacitor, an engineer can achieve a condition where the bridge is balanced, meaning that the voltage across the bridge is zero. This balance condition allows for the calculation of the unknown capacitance based on the known values and the settings of the variable capacitor.One of the most common types of capacitive bridge is the Schering bridge, which is widely used for measuring the capacitance and dielectric losses of capacitors. In this setup, the unknown capacitor is connected in one arm of the bridge, while the other arms consist of a standard capacitor and a resistor. The Schering bridge not only measures capacitance but also provides insights into the quality of the dielectric material used in capacitors, which is essential for ensuring reliability in electronic components.Moreover, the capacitive bridge can be used in various applications beyond just capacitance measurement. For instance, it is employed in sensor technologies where capacitive changes indicate physical phenomena, such as pressure, displacement, or moisture levels. The ability to detect these changes with high sensitivity makes the capacitive bridge a valuable tool in modern electronics.Understanding the operation of a capacitive bridge requires a solid grasp of electrical principles, including Ohm's Law and Kirchhoff's circuit laws. Engineers must also consider factors such as temperature variations and frequency response, which can affect the accuracy of capacitance measurements. Therefore, calibration and proper setup of the bridge are crucial to obtaining reliable results.In conclusion, the capacitive bridge serves as a vital instrument in the field of electrical engineering. Its ability to measure capacitance accurately and its versatility in various applications underscore its importance in both research and industry. As technology continues to advance, the role of the capacitive bridge will likely expand, providing engineers with even more tools to innovate and improve electronic systems. Understanding its principles and applications is essential for anyone looking to excel in the field of electrical engineering, as it lays the groundwork for more complex concepts and devices that rely on accurate capacitance measurements.

在电气工程领域，各种设备和电路被用来测量和分析不同的电气特性。其中一种设备是电容桥，它在高精度测量电容方面发挥着重要作用。电容桥的工作原理是平衡两个电容支路，通过将未知电容与已知值进行比较，从而实现对未知电容的准确测定。这种技术在实验室和工业应用中尤其有价值，因为精确的测量至关重要。电容桥的基本配置由四个臂组成：两个已知电容，一个未知电容，以及一个用于平衡的可变电容。通过调整可变电容，工程师可以实现一个平衡状态，即桥上的电压为零。这一平衡条件允许根据已知值和可变电容的设置计算未知电容。最常见的电容桥类型之一是施尔宁桥，它广泛用于测量电容器的电容和介质损耗。在这种设置中，未知电容连接在桥的一个臂上，而其他臂则由标准电容器和电阻器组成。施尔宁桥不仅测量电容，还提供电容器中使用的介质材料质量的洞察，这对于确保电子元件的可靠性至关重要。此外，电容桥还可以用于超出电容测量的各种应用。例如，它被用于传感器技术中，其中电容变化指示物理现象，如压力、位移或湿度水平。以高灵敏度检测这些变化的能力使得电容桥在现代电子学中成为一种宝贵的工具。理解电容桥的操作需要对电气原理有扎实的掌握，包括欧姆定律和基尔霍夫电路定律。工程师还必须考虑温度变化和频率响应等因素，这些因素可能会影响电容测量的准确性。因此，校准和正确设置桥是获得可靠结果的关键。总之，电容桥在电气工程领域中作为一种重要的仪器。其准确测量电容的能力及其在各种应用中的多功能性凸显了其在研究和工业中的重要性。随着技术的不断进步，电容桥的作用可能会扩大，为工程师提供更多创新和改善电子系统的工具。理解其原理和应用对于任何希望在电气工程领域取得成功的人来说都是必不可少的，因为这为依赖于精确电容测量的更复杂概念和设备奠定了基础。