low frequency的例句大全

A Study on the Low Frequency Ground Response Induced by Metro Train and Corresponding Vibration Reduction Measures

地铁列车引起的低频地表响应及减振措施研究

With the use of filtering method in frequency domain, certain low frequency components were filtered, the time domain waveform was retrieved by IFFT, and the biphase T wave appeared in time domain.

用频域滤波的方法，分别滤去一定低频成分，再IFFT恢复时域波形，时域信号出现了双相T波。

In high frequency range, the specular reflection echo have the same wave form as the incident wave, but in low frequency range or resonance scattering range, there is a time expansion of the pulse width after main reflecting echo from smooth curvature surface.

在低频或谐振散射区域，光滑曲率表面的脉冲镜反射回波特征是在主回波后有时间扩展，它是由曲率反射面产生的，称为回波的曲率效应；

Through the low-noise amplifier designed, the spectrum and time figure of the transistor noise at low frequency ( 100mHz~ 1.65Hz) was measured, besides that, the scale invariant range and fractal dimension are calculated with several methods.

利用设计的低噪声放大器，测量出晶体管低频段（100mHz&1.65Hz）噪声的功率谱及时间波形，找出了其无标度区间，并用多种方法计算了分形维。

The researching development on the characteristics of low frequency loudspeakers is expounded.

阐述扬声器低频特性的研究发展，特别是国内外对品质因数研究的比较；

Each of these components using new forecasting method to predict the load in the low frequency components of the summer forecast, the introduction of real-time temperature factor, the final reconstructed sequence of the final load forecast results, to improve the prediction accuracy.

分别对这些分量运用新的预测方法进行预测，在对夏季负荷低频分量进行预测时，引入实时温度因子，最后重构负荷序列得到最终预测结果，提高了预测精度。

Adding the airspace can improve the sound absorption properties under low frequency.

增加空腔可以提高材料在低频的吸声性能；

Study on the Basic Technological Parameter Set in Low Frequency Torsional Vibration Tapping

低频扭转振动攻丝基本工艺参数组研究

Study on guidelines for low frequency time-varying magnetic field

低频交变磁场安全性的研究

Conclusion: Low frequency time-varying magnetic field can promote cellular immunity function in mice.

结论：低频交变磁场能增强机体的细胞免疫功能。

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。

The Influence of Low Frequency Vibration on Temperature Profile and Solidification of Castings

低频振动对铸件温度场及凝固过程的影响

and the ultimate tensile strength and elongation of low frequency electromagnetic cast billets are greatly increased.

相对于常规直接水冷铸造，低频电磁铸造提高铸态拉伸强度极限和延伸率。

An investigation of low frequency ultrasound therapy for relieving lumbago from soft tissue lesion

低频超声治疗下腰部软组织损伤性疼痛的临床报告

The galloping of an electrical transmission line is characterized by large amplitude, low frequency, self-excited oscillation, which is occurred under action of continuous wind forces.

输电导线覆冰后在持续的风作用下会产生一种低频、大幅度自激振动，称为舞动。

The improved binary operation methods was utilized, and watermarks are embedded to the low frequency coefficients of deep wavelet domain.

并利用改正的二值运算方法将水印嵌入到图像深层小波域的低频子图中。

A Design of predistortion HPA Using 2nd order Low Frequency Intermodulation Signal

基于2阶低频互调干扰信号的HPA预失真法

Mixed coding method of remote sensing image based on wavelet package decomposing is that threshold of low frequency and high frequency coefficients decomposed by wavelet package is classified into important and unimportant coefficients.

基于小波包分解的遥感图像混合编码方法，首先将小波包分解后的低频和高频小波系数域值化为重要系数和非重要系数。

First, the image is divided into two parts, high and low frequency, then we get the VQ codebook by means of comparing the threshold in high frequency and extracting representative codewords at different regions in low frequency part.

该算法将图像分割为高频、低频两部分，在高频段采用阈值比较的方法，在低频段采用分块提取的方法生成VQ码书。

Design and Realization on the Low Frequency Band Pass Filter with Center Frequency Adjustment

中心频率可调节的低频带通滤波器设计与实现