spot frequency noise factor [电子] 点频噪声因数
spot frequency drive unit 点频激励器
Frequency spot error 频率瞄准误差
audio frequency command spot 音频命令点
Frequency inverter spot welder 中频逆变点焊机
To determine how strong the alpha constant was in any given spot, the scientists measured the frequency at which electrons in various atoms would hop from one energy level to the next.
为了确定在任一给出的位置的alpha常数的强度,科学家们测量了不同原子的电子从一个能级跃迁到另一能级的频率。
On the basis of digital signal process and nondestructive testing, the effect of welding process on the frequency spectrum of the current signal in AC spot welding is analyzed.
在数字信号处理及无损检测的理论基础上,分析了焊接过程对电流信号频谱的影响。
The ability of the RF power analyzer to measure power within specified frequency bands enables it to spot defects that an RF power meter cannot.
功率分析仪可在指定频段测量的能力使其能发现功率计发现不了的错误。
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