n.阻抗

In an electrical circuit, the impedance is the total opposition to alternating current, combining resistance and reactance.
在电路中，阻抗是交流电的总阻力，包括电阻和感抗。
The impedance of a speaker can vary with frequency, which affects the power handling and efficiency of the speaker.
扬声器的阻抗可能随频率变化，这会影响扬声器的功率处理和效率。
To measure the impedance of a cable, you need an impedance analyzer or a multimeter with impedance measurement capability.
要测量电缆的阻抗，你需要一个阻抗分析仪或具有阻抗测量功能的万用表。
The impedance matching between a transmitter and a receiver is crucial for efficient signal transmission.
发射机与接收机之间的阻抗匹配对于有效的信号传输至关重要。
The impedance of a capacitor decreases as the frequency increases.
随着频率的增加，电容器的阻抗降低。
The impedance of a transformer depends on its turns ratio and the impedances of the primary and secondary circuits.
变压器的阻抗取决于其匝比以及初级和次级电路的阻抗。
To minimize signal loss, it's important to match the impedance of your transmission line to the impedance of your load.
为了最小化信号损失，重要的是将传输线的阻抗与负载的阻抗相匹配。
The skin effect causes the effective impedance of a conductor to increase at high frequencies.
集肤效应导致导体的有效阻抗在高频下增加。
In audio engineering, the impedance of speakers and headphones must be considered to ensure optimal sound quality.
在音频工程中，必须考虑扬声器和耳机的阻抗，以确保最佳音质。
The impedance of a coaxial cable is typically specified as 50 ohms or 75 ohms for different applications.
同轴电缆的阻抗通常根据不同的应用指定为50欧姆或75欧姆。