2. Electrical noise - essentially any unwantedsignal - can arise from a number of sources.
电噪音-本质上是任何无用的信号-可以有各种来源。
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3. In either case, the effects on the measurement can be considerable if enough of the unwantedsignal is present.
在这些情况下，如果出现足够强的不希望有的信号，对测量的影响是相当大的。
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4. Filter is a useful signal can pass while the frequency of the unwantedsignal suppression (or attenuation) of the electronic devices.
引言滤波器是一种能使有用信号顺利通过而同时对无用频率信号进行抑制(或衰减)的电子装置。
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5. Basically, the baffle is a structure, placed between an unwanted signal or noise source and a sensor, to shield the sensor from the unwanted source.
障板一般安装在传感器与噪声源之间，用来屏蔽噪声对传感器的影响；
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6. It produces an inverted sound wave to cancel out unwanted noise in the headphone signal.
随后它便产生逆向声波从而消除耳机信号中不需要的噪声。
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7. The offset voltage adds directly to the signal voltage and can be modeled as an unwanted voltage source in series with the intended signal.
偏移电压被直接叠加到信号电压之上，可以被模型化为一个未知的电压源，与已知信号相串联。
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8. In these cases, filters can be added to the switch to modify the signal frequency bandwidth, or spurious signals at unwanted fre quencies can be eliminated from the signal to the DUT.
9. This wave concentrates illumination to a patient's DNA molecules, preventing illumination of unwanted contaminants that would otherwise obscure the faint signal from a single strand of DNA.
10. In television, an unwanted component in the picture signal output from a camera, caused by the scattering of light in the optical system.
电视中来自摄象机的图象信号输出中不希望出现的组成部分，它是由光学系统中光散射引起的。
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11. Space storms may have the same effect on the rails as a train, generating unwanted electric currents that could cause the voltage between the two rails to drop and the signal to turn red.
太空风暴可能就像火车一样，对铁路有这样的作用，产生不需要的电流，使得电压降低，信号灯转成红色。
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12. As part of the video signal, bi-level sync introduces an unwanted DC component (Figure 2).
作为视频信号的一部分，双电平同步包含了一部分并不需要的直流分量(如图2)。
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13. So, we created a way to filter out the unwanted light, allowing us to read the quantum signal much better.
于是我们想了个方法过滤掉其他光，这样我们可以更好接收量子光。
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14. In this way, signal power in unwanted Nyquist zones is effectively removed.
通过这种方式有效地去除不想要的奈奎斯特区中的信号功率。
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15. In this way, signal power in unwanted Nyquist zones is effectively removed.
