查询词典 waveform

In the paper,using three methods,including C language,Matlab and DSP Builder,producing the arbitrary waveform initialization data of the sine wave,the triangular wave,the saw-tooth wave and the square-wave.Programming,parameter setting and waveform simulation are described to every method detailedly.

DDS系统一般包括系统时钟、频率预置与调节电路、相位累加器、ROM查找表，输出的数据通过外接的D/A转换器和滤波器完成波形输出。

The nine tested tea cultivars were categorized into three groups by cluster analysis according to the number of probes per insect, waveform durations, or duration per probe including various waveforms on different tea cultivars. Waveforms S, E and F correlated to the main feeding activity of the leafhoppers and may provide valuable information on predicting the resistance levels of the tea plants to the leaThopper. The resistance level of the nine tea cultivars to the leafhopper was ranked based on the durations of waveform S, E and F, as well as the duration every probe including various waveforms.

以该叶蝉在不同品种茶树上的平均刺探次数和各波形平均持续时间为指标，或者以其在不同品种茶树上含有各波形的单次刺探平均持续时间为指标，分别进行聚类分析，均将9个品种分为3个不同的组。S、E和F波对应着假眼小绿叶蝉在茶树上的主要取食活动，可能与茶树抗假眼小绿叶蝉的取食密切相关。

The variation tendency of pulse pressure waveform along acoustic axis and in the focal plane has been numerically studied also.

同时还数值研究了脉冲压力波沿声轴和焦平面上的变化趋势，在幅度下降-6 dB的焦斑内没有观察到波形的明显变化。

Core saturation and the rotor bar skin effects were directly taken into account in the field calculation. The adopted circuit equations are suitable for describing the stator windings and the special rotor-bar connections of BDFM. The waveform of supplied voltage source may be an arbitrary. Three-dimensional end effects were considered in the circuit parameter corrected by classical formulas. In addition, the coupling and constraint equations were used to handle rotor rotation without any process of remeshing.

其特点是：铁心饱和以及转子导条集肤效应可以直接在场的计算过程中加以考虑；采用的电路方程可以方便地处理无刷双馈电机定子绕组和转子端环的各种特殊连接方式，电压源可以是任意电压波型；三维端部效应可以通过传统的方法在电路参数中加以修正；采用耦合与约束方程来处理转子转动问题，而无须不断地对转子重新进行刨分。

Multiple im aging analysis techniques are implemented to analyze waveform changes, in order to pin\|point the size, shape, location and type of defects in each layer.

通过对泡沫样品的各个层面进行逐点扫描，得到每个点太赫兹脉冲的时域波形，然后利用多种图像处理手段分析波形的变化，判断出不同层面缺陷的大小、形状、位置和种类。

A field experiment using large volume airgun source was conducted in an onshore reservoir. The characteristics of the waveform and its propogation has been studied.

利用大容量气枪震源在陆上水库进行地震波激发试验，研究陆上水库环境下激发气枪震源所产生的地震波特征及传播距离。

The influence of configuration parameter of alnico in surface-mounted permanent magnet synchronous motor on waveform of airgap flux density is systematically analyzed.

系统分析了表贴式永磁同步电动机磁钢结构参数对气隙磁密波形的影响。

By coincidence method, the calibrationn technique of ZnO:Ga crystal response to single heavy charged particle was established, the waveform response to the single alpha particle was measured, the experiments data were analysed, and the time response to single proton was gained from the plasma time relationship.

利用符合法原理，建立了ZnO：Ga晶体对单重带电粒子响应的标定方法，得到了该晶体对单α粒子的响应曲线，并对此进行了分析，根据等离子体时间的相对关系得到其对质子的时间响应范围。

And a new kind of peak detection module which is implemented by Verilog HDL in FPGA and greatly enhances the performance of catching glitch is discussed in the dissertation. The waveform recorder function accomplished in the ScopeMeter can test, monitor slow analog signals and record the characteristic value of signals continuously for a long time.

在示波表有限的空间内集成了3 3/4位数字万用表功能模块，能够实现对交直流电压、电流、电阻、二极管的测量，扩展了示波表的多用途功能，方便了用户现场使用。

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。