如果不进行“调零”修正，所产生的偏置量就会叠加到输入信号上产生误差。
Unless it's corrected by "zeroing," the resulting offset produces an error by adding to the input signal.
在目前这个设计中，阶跃输入信号限制在零点几毫伏以下。
In the present design, step inputs are restricted to a few tenths of millivolt.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声，改进了过零测频方法。
The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
注意：1掌握数据输入、输出基本语句；2掌握数据补零的编程要求；3掌握实信号频谱对称性原理。
Note: 1 master data input, output of basic statements 2 master data zeros programming requirements 3 grasp the real signal spectrum Symmetry Principle.
借此模型，克服零点漂移及增益漂移对检测精度的影响，补偿信号输入通道的非线性，实现了数据的规范化处理。
Based on this model both zero and gain drifts of the input channel can be corrected and its nonlinearity can be offset. Furthermore, the data normalization can also be done.
放大器地输出(电流)由输入信号控制，所有零输入信号，电流输出也是零。
The output of the amplifier (electrical current) is controlled by the input signal so with zero input the output current is also zero.
鉴相器是一个有两个输入信号的器件，如果二者具有相同的相位和频率则输出为零。
A phase detector is a device that takes two signals. If both have the same phase and frequency the output is zero.
鉴相器是一个有两个输入信号的器件，如果二者具有相同的相位和频率则输出为零。
A phase detector is a device that takes two signals. If both have the same phase and frequency the output is zero.
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