Improved modulation accuracy of flash.
改善使用闪光灯的准确度。
The system can be used to measure the voltage responsivity and detectivity of infrared detector at different modulation frequency with rapid speed and high accuracy, it meets the need of measurement.
该系统可以自动测试不同调制频率下红外探测器的电压响应率和探测率，能够快速准确地完成测试任务，满足了测试要求。
The experiments and analyses have proved that ultrasonic modulation can improve greatly the accuracy, surface finishing and reproducibility.
实验和分析表明，采用超声调制打孔可较大地改善打孔的精度、表面质量及打孔的重复性。
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