With frequency bias increasing, estimated bias and variance of adaptive frequency estimator (AFE) enlarge.
随着频偏的增大,自适应频率估计的偏差和方差也随之增大。
A frequency bias coefficient setting technique is proposed by analyzing the investigative status abroad and AGC performance in China.
在分析国外研究状况及中国AGC实际运行的基础上提出了一种频率偏差系数确定方法。
The paper describes frequency bias, characteristic of frequency measurement and test platform design. Measurement results are discussed.
详细描述了军用电力系统的频率偏差,频率测试特点及测试平台设计,讨论分析了实际测试结果。
In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.
在无线移动通信中,接收机的本地振荡频率和载波频率之间往往存在较大的频率偏差,AFC用于克服此频偏。
In this paper properties of AFE and influences of frequency bias are analyzed, and formula on estimated variance lower bound is derived, and condition which is required by the bound is got.
本文分析了自适应频率估计器的性能及频偏的影响,得出了自适应频率估计方差下限的公式及达到此下限的条件。
Through proper adjustment to frequency modulation amplitude, the Kerr-effect-induced bias can be effectively reduced.
通过适当调节两光束的频率调制幅度,可有效地实现克尔效应误差的消除。
Based on the character of AGC hierarchical control, it presents different bias Settings according to diverging frequency grade.
结合AGC分级控制的特点,按频率偏差等级设定频率偏差系数。
In parallel basis selection algorithms of sparse signal representation, there will be serious bias in amplitude estimation when frequency is not in grid.
在稀疏信号表示的并行选取字典算法中,当频率不在栅格点上时,对应的幅度估计可能会有很大的偏差。
The influence of bias current and modulation frequency on chaos dynamics of vertical-cavity surface-emitting laser (VCSEL) subject to direct current modulation is investigated by numerical simulation.
利用数值模拟的方法研究了电流调制下偏置电流和调制频率对垂直腔面发射半导体激光器(VCSEL)混沌动力学特性的影响。
It is convenient to change the optical intensity of the sidebands by tuning the DC bias voltage while the microwave modulation frequency and power are fixed.
当微波调制频率及功率一定时,可方便地调节直流偏置电压来改变各阶光波的强度。
It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
The results suggested that disambiguating was not delayed, on the contrary, it was affected by relative frequency and context bias immediately.
结果发现,词类歧义解决并不会延迟句法类别分配,而是受到其不同用法相对频率和语境偏向性的影响,即时地选择某种用法。
Proper selection of dithering amplitude and frequency of RLG has a direct influence on the effect of dithering bias.
抖动参数的正确选择直接影响抖动偏频效果。
We find that the permeability and the resonance frequency can be adjusted by the DC bias magnetic field, and the bistable characteristic arises under certain conditions.
我们发现磁导率及其共振频率均可以通过直流偏置磁场进行调节,并且在一定条件下出现双稳特性。
Experimental data show that the intensity modulation depth increases with the bias current of LD. When the modulation frequency increases, the intensity modulation depth decreases.
实验数据表明,光强调制度随激光器偏置电流的增加而加深,随调制频率的升高而减小。
This method enables the frequency converter to adapt itself, and change the crane's speed, and then compensate the system's motion bias.
通过变频器自动调整吊车速度,进行运动偏差补偿,从而实现了群吊控制系统的同步控制。
The SPM-D10YB synchronizer provides automatic frequency and voltage matching using discrete output bias signals.
扫描 探针 显微镜 -d10yb同步器,提供自动频率和电压匹配使用离散输出偏置信号。
The method employed is based on a position weight matrix approach improved by a frequency correction which takes in to consideration the amino acid bias present in proteins.
使用的方法是基于由一个频率修正增强的一种位置权重矩阵方法,它考虑了蛋白质中出现的氨基酸偏差。
Therefore, plasma etching anisotropy can be improved by increasing rf frequency or rf-bias power.
因此,等离子体刻蚀的各向异性可以通过增加射频频率和射频功率来改善。
Realistic device characteristics can be analyzed under actual operating conditions by varying the test frequency, test signal level, and dc bias.
切合实际器件特性可以分析根据实际营运情况,由不同检测频率,测试信号水平和直流偏置。
Through the analysis series, found the curve for former fourth-order magnetic resonance frequency of single degree of freedom magnetic bearing system changes with the axial gap and bias current;
通过一系列的分析,找到了单自由度磁轴承系统前四阶共振频率随轴向磁隙和偏置电流的变化规律曲线;
The low-bias current control method is proposed in order to improve system high frequency dynamic performance.
为提高系统高频动态特性,提出了低偏置电流工作方式。
The results show that permeability decreases and cut-off frequency increases with the increase of DC bias. Permeability varies linearly in the certain range.
研究表明:偏置直流的增加,降低了材料的磁导率,提高了截止频率,并且在一定偏置直流范围内,磁导率呈线性变化。
The results show that permeability decreases and cut-off frequency increases with the increase of DC bias. Permeability varies linearly in the certain range.
研究表明:偏置直流的增加,降低了材料的磁导率,提高了截止频率,并且在一定偏置直流范围内,磁导率呈线性变化。
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