threshold frequency的例句大全

The new methods can rapidly and efficiently obtain the informations of a real sinusoidal signal's phase on time domain or frequency domain by zero-crossings or FFT transforming. The modified methods can extend the threshold SNR of frequency estimation, and it is easily implemented.

新的修改算法利用零交越或FFT变换，能快速有效地在时域或频域上得到实正弦信号的相位信息，改善了频率估计的SNR阈值，且便于工程实现。

Frequency domain filter algorithms include Threshold filter algorithm and Frequency block least mean square algorithm.

频域滤波算法有阈值滤波算法，频域块处理LMS滤波算法。

Bone conduction threshold shift at speech frequency was associated with the ages.

语频骨导听力损失程度随着患者年龄的增加而逐渐加重。

An improved image enhancement algorithm by contour threshold nonlinear extrapolation in frequency space was proposed.

对非线性外推图像增强算法进行分析，充分考虑图像高频分量的局部特征，提出一种新的非线性滤波剪切策略包络阈值剪切算法。

Effects of Military Noise on the Average Hearing Threshold of the Speech Frequency and High Frequency in the Elders

军事噪声对老年人言语频率及高频听力的影响

Using the adaptive threshold filtering algorithm and frequency domain LMS filtering algorithm to suppress the narrowband interference and found some disadvantage with it.

详细研究了自适应阀值滤波算法及频域LMS滤波算法，对将其应用于导航接收机的干扰抑制的性能及缺陷做了详细分析。

The results show that, for the case of detuning, both the second threshold and the critical frequency are always increased with the increasing of the detuning parameter.

结果表明，在失谐情形下，第二阈值和临界自脉冲频率都随失谐参量的增大而增大。

The research results show that the threshold values of power frequency electric field, power frequency magnetic field and audible noises with harmful influence on biology are higher than the relevant limited values of power transmission line;

研究结果表明：工频电场、工频磁场和可听噪声对生物有确定有害影响的阈值远高于输电线路有关量的限值；

Comparison has been done about the sample selecting of the partial duration series method and the annual maximum series method by using the statistical simulations. The effect of different threshold values on the frequency analysis results has been studied.

本文运用统计试验方法对部分历时序列法与年最大值统计法两种不同取样方法的比较、不同阈值对频率分析结果的影响等方面进行了研究。

The laser feedback interference in λ/ 4 phase-shifted index-coupled and gain-coupled Distribute Feedback laser diodes is analyzed. The threshold gain and oscillation frequency variation in DFB laser diode are theoretically deduced, and present the expression of complex feedback sensitivity.

分析了λ/4相移折射率耦合型及增益耦合型分布反馈激光器的自混合干涉效应，推导出分布反馈激光器的增益及频率的变化，并给出复反馈灵敏度系数表达式。

[ Results] 1. The BAEP latency of professionally aircraft noise-exposed subjects is positively correlated with the hearing threshold of 1,2,4,6,8 KHz frequency and PTA, HPTA and has a good correlations with the high frequency of hearing threshold.

结果①职业接触人群的BAEP潜伏期值与电测听1、2、4、6、8KHz等频率及PTA、HPTA上的听觉阈值呈正相关，且与高频听觉阈值的相关性好。

The difference of threshold friction velocity at desert and oasis results in that the occurring frequency of the dusty weather at oasis is more than that at desert.

农田和沙地起沙临界摩擦速度的差异，导致绿洲站沙尘天气发生的频数比沙漠站大；

When the Rabi frequency of the driving field is larger and reach a threshold, a special gain region will appear by adjusting the detuning of the probe field.

驱动场Rabi频率较大而达到某一阈值后，调整探测场的失谐将出现特别增益区。

For the exactly soluble case of unidirectional ring laser with a homogeneous broadened line, the frequency shift relation, the critical and threshold value of inversion, the phase transition behavior and the features of the two-photon lasers with injected signal are analysed.

就可以精确求解的均匀展宽、单向环形激光器的情形，分析了频率位移关系，反转度的临界值和阈值，相变行为，以及带有外加讯号的双光子激光的特性。

Threshold of Hearing for Extended Low-Frequency Pure-tones under Free-field Listening Conditions Progress of high frequency audiometry

自由场中正常青年人扩展低频听阈测试扩展高频测听的进展

Finally, the effect of the deviation from frequency matching condition on the threshold power is also studied.

此外，本文还研究了偏离频率匹配条件对共振自聚焦阈值功率的影响。

The relation between the threshold and the ratio of the lowest resonance frequency to the end vibrating frequency is also discussed in the report.

文中还讨论了阈值同共振腔最低阶共振频率与壁振动频率之比的关系。

Based on the characteristics of partial discharge ( PD) frequency spectrums, an optimum method to select wavelet thresholds for de-noising of partial discharge signals is proposed. The scheme to determine wavelet scales for adaptive threshold search is interpreted as well.

针对局部放电脉冲频谱特征，提出用于局部放电信号去噪的小波最优阈值选择方法，阐述了自适应阈值搜索中的尺度选择方案；

Then the high frequency subband were processed by the threshold setting method, and the processed signal was reconstructed next.

然后通过设置阈值的方法对高频子带进行处理，接着进行重构。

However with the explosive growth of scale of wireless LAN, the relevant techniques ( Site Survey, Frequency Assignment and the Threshold Setting of Access Point) will consequentially become the key of wireless LAN design.

然而，随着无线局域网网络规模的不断扩大，相关技术（接入点定位技术、信道的选择以及接入点的阈值设置等）必然成为无线局域网设计中的关键。