电视信号中的标准频率信号是受原子钟控制的高稳定度、高准确度的信号。
The standard frequency in television signals is a signal with high stability and accuracy, controlled by the atomic clock.
该方法从红外成像系统信号传递方程出发，模拟生成不同空间频率、辐射温度的标准四周期矩形样条；
Standard four periodical rectangular patterns with typical spatial frequency and radiometric temperature were generated according to signal transfer equation.
鉴别器，鉴频器：一种将输入信号的某一特征，如频率或相位转变为幅度变化装置，其变化大小因信号与标准或参考信号的不同程度而异。
Discriminator: a device that converts a property of an input signal such as frequency or phase into an amplitude variation depending on how the signal differs from a standard or reference signal.
AGC控制单元送出信号至受其控制的发电机组，按标准频率和联络线负荷的要求来增大和减少负荷。 收藏。
The AGC unit sends signals to the generating units under its control to raise or lower load as required to correct frequency and tie-line loadings.
频率测量一般是通过对被测信号和标准信号计数实现，因此量化误差是引起测量误差的主要原因。
Frequency measurement is usually implement by accounting the measured signals and standard signals, thus quantizing error becomes the main source of measuring error.
如果不能找到设备的特定接口，与销售商明确提供的标准接口比较信号频率和源线特性。
If you don't find devices specifically for your interface, compare your signaling frequencies and source-and-line characteristics with those of interface standards that the vendor explicitly supports.
该系统采用8031单片机进行控制，根据控制命令可发出不同时间间隔、不同时间长度、不同频率的标准正弦波信号。
The system is controlled by chip microprocessor 8031 and can transmit standard sinusoidal waves with various frequencies and arbitrary time intervals according to various requirements.
该校准仪是用于校准各种电子电压表基本误差的专用标准仪器，具有定点频率下正弦波信号输出的标准电压源。
This normalizing device is a standard instrument used to calibrate the intrinsic errors of the various kinds of electronic voltmeters.
要使晶体振荡器的输出信号保持原子标准所固有的频率准确度和稳定度，所用压控晶体振荡器必须具有优良的性能。
The performance of VCXO must be excellent so as to maintain the inherent frequency accuracy and stability of the atomic standard.
利用模拟声源特征的标准反信号方法是不够的，尤其是在低频率情况下。
Standard designature methods, using modeled acoustic source signatures, were inadequate, especially at low frequencies.
利用模拟声源特征的标准反信号方法是不够的，尤其是在低频率情况下。
Standard designature methods, using modeled acoustic source signatures, were inadequate, especially at low frequencies.
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