frequency function的例句大全

The reach paper mainly discusses the design process of multi-function cymometer that uses CPLD to count the frequency measurement and cymometer is also controled by signal chip computer.

本文主要论述了利用CPLD进行测频计数，单片机实施控制实现多功能频率计的设计过程。

The paper present feature evaluating function based document frequency with minimum term frequency threshold to reduce the proportion of noise features and improving the quality of text categorization.

利用最小词频阈值的文档频特征评估函数减少噪声特征的比例，提高文本分类的质量。

Function approaching solution of finding natural frequency of structure by dynamic substructure method

用动态子结构法求结构固有频率的函数逼近解

For determination of sediment transport rates due to flood and ebb tide currents, the Gadd equation is modified through a definition of the frequency distribution function of current speeds within the harbour entrance.

此外，还用改进的Gadd公式确定口门涨、落潮流输沙率，计算中引入汊道口门流速频率分布函数的定义。

Undr the control of frequency inverter and PLC ( Programmable Logic Controller), the general AC asynchronous motor can function as low rotate speed large torque stepping motor. The working principle, structure, adjusting and testing method of the motor system were introduced.

利用变频器和PLC可编程控制器进行控制，可以将普通交流异步电动机用作低速大转矩步进电机，文章介绍了这种步进电机系统的工作原理、系统构成和调试方法。

During the research, ultrasonic signal testing system was designated by adopting transform the average value of function to nought, optimizing of collection frequency and transducer frequency.

在研究过程中，采用零均值化、优化采样频率与探头频率的匹配等对超声信号频谱分析系统进行了标定。

The frequency response of recording devices is a function of the relative speed of the recording medium past the head.

记录设备的频率响应是上述记录媒质经过磁头的相对运动速度的函数。

This paper presents a new method for raising accuracy of frequency calculation by introducing a correction function into level crossing algorithm based linear interpolation. Two algorithms and formulae are given.

对基于线性插值原理的cross算法进行改进，提出了通过加入一修正函数提高频率计算精度的方法，提出了两种计算频率的方法及公式。

According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made.

根据光学传递函数、调制度和空间频率视觉及对物象的感知程度，制作TIFF格式透视灰度图。

Problems easily to be mixed up in randon data processing relevant to motor vehicle ride vibration, such as acceleration power spectral density function, power spectral function and power spectral density function expressed in time frequency f and angular frequency ω, are expounded and deducted in the article.

对汽车平顺性随机数据处理中关于加速度功率谱密度函数与功率谱函数、以时间频率f与圆频率ω表示的功率谱密度函数等易于混淆的问题进行了阐述与推演。

Analyzed the function relationship between the on load factor intention of loads and test frequency;

解析负载因数与实验频率之间的函数关系；

A mathematical model for the control object of frequency synchronizer in a quick-acting quasi-synchronizing device is discussed and the pulse transfer function D ( Z) that satisfies the "dead beat performance criterion" is studied.

本文论述了快速准同期系统中频率同步器控制对象的数学模型；研究了频率同步器在满足有限拍性能指标时的数控规律&脉冲传递函数D（Z）；

The basic pulse, blood pressure, respiratory frequency per minute and vital capacity were measured in the test of function.

功能测试选用基础脉搏、血压、每分钟呼吸频数、肺活量；

It contributes to giving full play to technicians ′ function and dealing with the forbidden zone problems of the frequency for the complicated engineering systems.

它便于发挥工程技术人员的作用，有利于处理复杂工程系统的频率禁区问题。

At the end, the research on the hardware design and algorithms of the second-class frequency standards system which has the holdover and keeping function are discussed in this paper.

最后对实现具有驯服保持功能的二级频标系统的硬件组成及软件算法进行了研究。

Algebraic Criteria for Positive Realness of Discrete Transfer Function and Finite Frequency Positive Realness of Continuous Transfer Function

离散传递函数正实性与连续传递函数有限频率正实性的代数判据

Development of Multi-function Frequency Modulation Signal Accrue Implement

多功能调频信号发生器的研制

The determination of time discrimination and frequency discrimination and the selection of a window function in the short-term Fourier transform ( STFT) were discussed to analyze the vibrational signals from a high-pressure hydraulic pump unit.

对水泵机组振动信号分析中短时傅立叶变换的时间分辨率和频率分辨率的设定、窗函数的选取进行了研究。

The time-averaged speckle pattern of vibration can be described as a zero-order bessel function by high frequency modulation.

用数字散斑干涉术时间平均法测得的物体表面稳态振动，可描述为受高频分量调制的零阶Bessel函数。

This frequency meter only needs several resistances and electric capacities and clock crystal oscillating circuit for the microcontroller working outside, then it may realize the frequency measurement function.

该频率计只需外接几个阻容器件和供微控制器工作时钟的晶体振荡电路，就可实现频率测量功能。