从1990年起，瑞典已经禁止生产和使用含汞的温度计、量测设备和某些电子零件。
Since the 1990s, Sweden has been forbidden to manufacture and use thermometers, measuring instruments and certain electrical components containing mercury.
高稳定标准冲击信号发生器是高电压脉冲数字化量测误差校验的必备设备之一。
A standard impulse signal generator with high stability is an important equipment for routine test and calibration of digital recorders for measurement in high-voltage impulse tests.
根据设备系统噪声及量测噪声的统计特性，对采样信号运用卡尔曼滤波技术，提高了测量精度。
By measuring equipments' noise and estimating its value through Kalman filter, the accuracy of the equipments was effectively enhanced.
根据设备系统噪声及量测噪声的统计特性，对采样信号运用卡尔曼滤波技术，提高了测量精度。
By measuring equipments' noise and estimating its value through Kalman filter, the accuracy of the equipments was effectively enhanced.
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