line frequency的例句大全

The line noise is a primary low frequency component of self-noise in submarines.

线谱噪声主要集中在自噪声的低频段。

In the paper, the composing and characteristic of railway line noise is introduced, and the characteristic of the frequency, the velocity, the distance and the height of the railway line noise is analyzed, which establishes the foundation for controlling the railway line noise.

介绍了铁路线路噪声的组成以及特点，并且分析了铁路线路噪声的频谱、速度、距离以及高度特性，为今后铁路线路噪声的治理研究奠定了基础。

Research on test methods in frequency domain on the basis of transmission line

长线频域测试法研究

Crosstalk coupling was analyzed between two parallel transmission-lines with common ground. Results were obtained on relations of coupling responses to signal frequency, distance of two line and height to ground.

对共地平行传输线间的串扰耦合进行分析，得出耦合响应与信号频率、线间距及线距地高度的关系，给出电子电路设计中传输线布设的原则。

The frequency dependent line model is adopted in the simulation tests.

仿真试验中的线路模型采取了依频线路模型，因此更接近实际情况。

Application of vector fitting to transient simulation of frequency dependent transmission line

矢量匹配法在频变传输线暂态模拟中的应用

The simple and common mode of obtaining line speed is chosen to calculate the diameter of the roll in the rolling-up process, the running frequency of analogue output signal of the driving converter controlling the speed of the system is used as the line speed signal namely.

收卷过程中卷径计算选用最简单、最常用的线速度获取方式，即用控制系统速度的驱动级的变频器（艾默生TD3000）运行频率模拟输出信号作为线速度信号。

Blind separation method in frequency domain based on line spectrum frequency bin

基于线谱频率点的一种频域盲分离方法

Line Spectrum Pair is another form with LPC, belong to the frequency parameter.

线谱对是线性预测参数的另一种表示形式，同样属于频域参数，可以用来估计基本的语音特性。

Waveform simulation of low frequency line spectrum on propeller cavitation noise Specification for marine metallic propeller

舰船螺旋桨空化噪声低频线谱波形仿真GB/T12916-1991船用金属螺旋桨技术条件

Extraction of low frequency line spectrum of ship radiated noise based on the 1 ( 1/ 2) D spectrum

基于1（1/2）维谱的舰船辐射噪声低频线谱成分提取

Based on the frequency parameters, a new transformation method to determine the response to lightning impulse wave on transmission line with corona is proposed in this paper.

本文在频变参数基础上提出了一种计算电晕线路响应特性的新变换方法，并用其计算了线路的雷电波响应。

Designed fault locators are installed at sectional switches i.e.boundaries of sections, which in fact are resonant circuits connected to the feeder line in parallel to shunt the resonant frequency band component of the transient current.

在馈线各分段开关处即各供电区段边界处安装故障判断装置，其实质为并联在馈线上的谐振电路，使得在谐振频段附近的电流成分被衰减。

For storage array, a model of transmission line based on Laplace transform is presented, this model could be calculated repeatedly used by second or more-order frequency function, in which a signal of voltage difference between stimulus and response is proposed.

对存储阵列，本文提出了一种基于拉氏变换的传输线模型，此模型可以使用二阶以上频域传输函数进行多次迭代，并引入了线上信号和和输入激励信号之间的电压差进行时域求解。

In offshore Qinhuangdao, some unfavourable factors such as severe high frequency attenuation, low signal/ noise ratio, weak reflection coefficient, discontinuous seismic event, too big line spacing and so on, restrict the improvement of seismic resolution.

秦皇岛地区存在的高频衰减严重、信噪比低、反射系数弱、同相轴不连续、设计采集线距太大等不利因素制约了分辨率的提高。

The frequency is regulated in the other loop by the fuzzy logic controller whose control rules are adjusted on-line on the basis of the genetic algorithm ( GA).

另一闭环为频率调节环，频率值由模糊控制器根据工作状态随时调整，其模糊控制规则基于遗传算法在线调节。

The frequency of an AlGaAs diode laser is servo-locked to the center of the overtone absorption line of water vapor by using the first and the third derivative locking methods.

利用一阶导数和三阶导数稳频技术，成功地将AlGaAs半导体激光的频率锁定到H2O分子的泛频吸收谱线上。

on-line corrosion fatigue crack growth monitoring and the effect of frequency

腐蚀疲劳裂纹扩展的在线监测及频率影响

a new kind of narrow line-width erbium-doped fiber laser structure with fabry-perot etalon as the frequency selective method and saturated absorber stabilizing frequency method is proposed. 4.

提出了一种新型的基于法布里-珀罗标准具腔外选频，饱和吸收体稳频方式的窄线宽掺铒光纤激光器结构。

The overvoltage of short-distance transmission line has already been studied. With the transmission distance increasing, the fundamental frequency overvoltage becomes more severely and the retraining methods more complicated.

短距离特高压输电线路的过电压问题已有研究，而当传输距离进一步增加时，工频过电压情况更为严重，抑制方法更为复杂。