This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
If a review of the frequency distributions for each source points to a many-to-one condition and one source has only unique values, then it is a likely reference source.
如果查看每个源的频率分布发现存在多对一的情况，并且一个源只有一个惟一的值，那么它很可能就是引用源。
But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.
若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。
The complex weighting vectors at other frequencies satisfying the request of wideband constant beamwidth can be deduced from the one at the reference frequency.
其它频率点上满足宽带恒定束宽要求的复权向量可以根据参考频率上的复数权值通过折算求得。
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.
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。
All of these provide a reference date for the applications of vibration drilling with low frequency torsional vibration.
为低频扭振型的振动切削应用于生产实践提供了参考数据。
Considering this, this paper presents a method by experiment which can measure performance curve of silicon steel sheet at different frequency as reference of designing variable frequency motor.
针对这种情况，本文提出一种实验的方法，测取不同频率下硅钢片的特性曲线，以供变频电机设计时参考。
Estimation of Doppler central frequency has an important effect to accuracy of fixed position in the fixing approach with no reference points for ocean SAR.
在无参考点海洋sar定位方法中，多普勒中心频率估计对定位精度有着重要的影响。
Harm on humans health caused by power frequency electromagnetic field is given in detail, with reference on related materials of foreign countries. Corresponding protection measures are described.
参考国外相关资料，对工频电磁场给人体健康带来的危害进行了较为详细的介绍，并对相应的防范措施作了一些说明。
The effect of nonlinear load and the filtering action of motor-generator is analyzed, and an effective analytic tools and test reference for ship medium frequency power system is supplied.
验证了非线性负载对中频电网的影响同时分析了旋转变频机组的滤波作用，为舰用中频电网的分析提供了有效的分析工具和试验参考。
It is proved that the choice of the reference frequency in NCSA is unique. A multiple-look SAR imaging method for the large squint Angle is presented.
指出了非线性CS算法在实际应用中其参考频率的选择是唯一的，并提出了一种在大斜视角下进行多视处理的方法。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
This is the complete set of frequency synthesis parameters that are possible given our reference frequency and desired output frequency.
这是完整的一套鉴于我们参考频率和期望输出频率的可能的频率合成参数。
The output signal frequency of integer frequency synthesizer is the integral multiple of reference signal frequency, Loop frequency resolution is the reference frequency.
整数频率合成器输出信号的频率是参考信号频率的整数倍，环路的频率分辨率为参考频率。
The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent.
功率谱密度不论水淹程度如何，整体为一随频率增大其能量按指数递减连续频谱；
Analysis result shows that the reference signal can be highly precise and provide an adjustable performance if the given frequency of crystal is high enough.
通过分析可知，只要晶振频率足够高，生成的基准信号就有足够高的精度，而且信号的参量具有良好的可调节性。
The experimental results show that the method can overcome the limitations of the critical angle between the object and reference beams, and omit the frequency aliasing.
实验结果表明，该方法可有效地突破最大物参角的限制，同时可以消除由于欠采样造成的频谱混叠现象。
At last the basic methods of PLL in frequency agile synthesis are discussed and illustrated. It has considerable reference value for the research of frequency agile synthesis.
最后讨论了PLL在捷变频率合成中的基本方法，并分别举例说明其特点，对捷变频率合成的研究有很高的参考价值。
The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system.
所得结论对于电力系统低频振荡的抑制以及电力系统稳定运行具有重要的参考价值。
The conclusion can provide reference to research into the causes of power system low frequency oscillation .
该研究结果对探讨电力系统低频振荡的产生原因具有一定的参考价值。
Meanwhile, the modal analysis is used to test the detection arm's natural frequency and structural vibration modes, which provides a reference for the stability test of the bridge inspection vehicle.
同时对检测臂进行了模态分析，测出了其固有频率和结构振型，为检测车工作时的稳定性要求提供了参考。
The paper presents the basic conditions and measures of the radio frequency resources development in Japan. This provides reference for the research and promotion of the work in China.
本文介绍了日本无线电频谱资源开发的基本情况，频谱资源开发的推进体制及促进措施，这对于我国开展这方面的研究、推进工作有较好的借鉴作用。
A heating method of the mode reference adaptive is provided for the tumor radio-frequency ablation.
针对肿瘤组织的射频消融术，提出了一种模型参考自适应的射频加温方法。
A new method of detecting compensating reference current for active power filters by frequency multiplication modulation (FMM) is presented in this paper.
提出了一种电力有源滤波器补偿参考电流的倍频调制检测新方法。
Finally, this paper discusses the occurrence frequency and distribution area of light pollution at sea, providing reference for ships likely to sail around these waters and further research.
最后，对海上光污染出现频率和分布区域进行讨论，为航行于这些区域的船舶和后续研究提供参考。
Based on pulse counting principle, the high precision time interval can be obtained by measuring the number of the high-frequency reference clock through it.
设计了一种高精度时间间隔测量模块，该模块由单片机控制，采用脉冲计数原理，通过测量时间间隔内高频参考时钟个数，得到被测时间间隔的精确值。
A frequency comparator compares the frequency of a reference clock with that of an output clock and outputs a frequency comparison signal.
频率比较器比较基准时钟和输出时钟的频率，并输出频率比较信号。
In this curve, the point which had the largest inclined rate was a timing reference point of low frequency time-code receiver.
该曲线的斜率最大点即为低频时码接收机的秒定时参考点。
A rigid body parameters identification method based on muhi-reference least-squares frequency domain scheme (one of the operational modal analysis techniques) is presented.
介绍一种基于多参考点最小二乘频域法(一种工作模态法)的刚体参数识别方法。
A rigid body parameters identification method based on muhi-reference least-squares frequency domain scheme (one of the operational modal analysis techniques) is presented.
介绍一种基于多参考点最小二乘频域法(一种工作模态法)的刚体参数识别方法。
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