最好的信号不仅取决于它的亮度，还取决于它与背景的对比度。
The best signal depends not only on its brightness but also on how well it contrasts with the background against which it must be seen.
视频处理器引导每个电极传输出代表一个物体的轮廓、亮度和对比度的信号，信号会跳动着由光神经细胞传输到大脑。
The video processor directs each electrode to transmit signals representing an object's contours, brightness and contrast, which pulse along optic neurons into the brain.
其次，采用数值计算的方式，分析了输入方波信号与光纤束位相匹配对对比度调制传递函数的影响。
The next, the influence of phase match between input signal and line-array fiber-optic image bundles on the contrast transfer function was analysed digitally.
结果是目标上的照度、后向散射光和信号光在光电阴极面上的照度增加，目标与背景图像的对比度降低；
The results demonstrate that the irradiance on object, backscattering and signal irradiance on photo-cathode are increased and the image contrast between object and background is decreased.
为了在相干象增强系统中提高象的对比度，突出所需用的信号，采用了偏振滤波器。
In order to improve the image contrast and to single out the desirable signals in a coherent image enhancement system, a polarizing filter was used.
分析了LCLV驱动信号的电压幅值、频率、占空比以及屏幕照度等诸多因素对投影系统对比度特性的影响。
The effects on the contrast of the LCLV projecting system, such as the LCLV driving signal voltage, frequency, duty cycle and the display screen illumination were analyzed.
该技术在用SSPA器件对低对比度信号的检测中有很大实用价值。
The technique has a large practical value for the detection of the signal with low contrast when SSPA device is applied.
该技术在用SSPA器件对低对比度信号的检测中有很大实用价值。
The technique has a large practical value for the detection of the signal with low contrast when SSPA device is applied.
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