查询词典 wave system

The HPLC system column, mobile phase of CH3CN-3%CH3COOH (11∶89) mixture, with detection wave at 270 nm, was used to determine the content of vitexin in Leaf of Crataegus pinnatifida Bge.

应用反相高效液相色谱法测定了山楂叶总黄酮中牡荆素的含量。C18柱作为色谱柱，乙腈-3%醋酸水溶液(11∶89)为流动相，检测波长270 nm，按外标法定量。

The principle of harmonic wave detection which is based on wavelet transform was expatiated. It introduced a new approach of harmonic measurement based on period-interleaving of arithmetic for dissymmetrical system.

首先论述了基于小波变换的谐波检测的原理，根据目前小波变换在三相不对称系统谐波检测中存在的无法分离基波信号之不足，介绍了一种用于三相不对称系统的基于周期交错的测量方法。

The spectrum of cut-off frequencies is discussed in electromagnetical symplectic system. The wave number k is given and the cut-off frequencies are computed.

在电磁波导辛体系内讨论波导的通过谱，给出一定的波数并建立相应的变分原理，得出本征值方程并计算了波导的截止频率。

AIM: To develop an information system for clinical and scientific work of extracorporeal shock-wave lithotripsy in China.

目的：开发适合国内体外冲击波碎石临床及科研实际需要的软件系统。

Based on photon counting mode,a multi-channel continuous-wave diffuse optical tomography system is designed for galactophore inspection.

基于光子计数原理，研发了一套用于乳腺检测的多通道连续光扩散光学层析成像系统。

We have developed an ultrasound-based real-time tracking system for a shock wave lithotriptor to accurately target on a moving stone.

我们已经利用超音波发展出一种即时追踪系统，使震波碎石机能准确瞄准移动的结石。

In the purpose of system can adapt to all kinds of geography condition, mathematic model of microseismic signal generated by a target moving on the ground has been made at the end of this article. The model has been used to emulating stress signal of different target to ground, Rayleigh wave in different terrain. This is an effective means to obtain and considerate microseismic signals of moving target in various terrain.

为了系统适应不同地域环境，文中最后对目标运动引起的地震动信号进行了理论建模和仿真，建立的数学模型可以对不同目标对地面的激励函数、不同地形地质条件的地震波进行模拟仿真，这为获取不同地域环境的目标运动引起的地震动信号提供了一种有效的方法。

Accordingly, we design a signal collecting system that can be used to collecting microseismic wave generated by a target moving on the ground, choose and improve on the magnetic-electronic seismic sensor that has high sensitivity and can sustain high loading, and design and make pre-amplifier and conditioning circuit which need micropower, and it can work continuously not less than 7 days.

在此基础上设计了运动目标引起的地震波的信号采集系统，选用灵敏度高、抗高过载的磁电式速度传感器，对传感器信号调理电路进行微功耗设计并调试，制作的微功耗地震动探测系统能够不间断正常工作7天以上。

1On the basis of pattern recognition analysis and in the light of the spectrum oflight source and the spectral response of CCD sensor as well as the spectral reflectance ofkernels,it is found that for the monochromic image recognition system and under the con-dition of reducing the probability error of classification to minimum,the optimum lightsource is a monochromatic light,the wave length of which is that rendering the series re-sponse of the difference between the spectral reflectances of two classes of kernels and theCCD sensor spetral response maximum.

在模式识别理论分析基础上，依据光源光谱、CCD摄像元件光谱响应以及作物籽粒表面反射率光谱特性，在使分类错误概率最小的目标下，得出籽粒黑白图象识别系统最佳光源为单色光，其波长为使两类待识别籽粒反射率光谱差值与CCD光谱响应二者的串联响应最大的波长。

The core chip of the system is a singlechip PIC16F877A, and it collects pulse wave data and processes data based on oscillometric method, at last the value of body's blood pressure and heart rate are calculated by the chip.

系统以单片机PIC16F877A为核心芯片，基于振荡法原理对人体的脉搏波进行数据采集处理，并最终计算出人体的高低血压值、心率值和体温值。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。