查询词典 combination frequency

In communications, the frequency range of the information bearing signals prior to combination with carrier wave by modulation.

在通信技术中，未经调制使之和载波结合之前，携带信息的信号所占有的频率范围。

Crane switches, cable car switch, traffic switches, cam switches, CAM SWITCH, 10000 switch, modular optical plate, cross combination switch, light plate switches, change-over switch, switch boxes, etc.; air switch, there is paperless recorder , paperless recorder, infrared thermometer, PH measurement and control instruments, metering pump, frequency converter, PLC, man-machine interface and so on.

天车开关，吊车开关，行车开关，凸轮开关，CAM SWITCH，万轮转换开关，组合式光字牌，十字组合开关，光字牌开关，转换开关，开关盒等；空气开关，有纸记录仪，无纸记录仪，红外线测温仪，PH测量控制仪，计量泵，变频器，可编程序控制器，人机界面等等。

A new time-frequency analysis imaging method is presented for higher image resolution by means of the combination of Short Time Fourier Transform and Complex Dual Apodization.

提出了STFT和CDA处理相结合的时频分析成像方法，以获得较高的图像分辨率。

In order to master the technical characteristic of soft contact EMCC, and to certain the optimum electromagnetic processing parameters of soft contact EMCC, the combination of theoretical study and experimental study of 100mm×100mm billet casting processing by imposing 20kHz high frequency electromagnetic field were investigated.

为了掌握软接触电磁连铸的技术特征，确定方坯软接触电磁连铸所需最佳电磁工艺参数，本文采用理论和实验研究相结合的方法，对高频磁场（20kHz）方坯（100mm×100mm）软接触电磁工艺进行研究。

The laminar flamelet model in combination with joint probability density function transport equation of mixture fraction and turbulence frequency is used to simulate fluctuating behavior of radiative source term in turbulent jet diffusion flames of hydrogen.

采用κ-ε湍流模型、标量联合的概率密度函数输运方程和层流火焰面模型相结合，模拟氢气自由扩散火焰中辐射源项湍流脉动特征。给出了主燃区内辐射源项湍流脉动的频率图。辐射源项的样本点分布集中，大约95%以上的样本落在其系综的±3倍方差以内，频谱图为单峰

For this reason,an automatic control system of metering and dosing based on PLC is designed in which the nonlinear metering and dosing of assistants is realized by combination use of the frequency changer and the PLC.

为此，设计了一种基于可编程控制器的计量加料自动控制系统，它主要通过变频器与PLC的配合使用可以实现助剂的非线性计量加入。

This series of generating set is an perfect combination of our newly-developed TFDW4 single-phase brushless synchronons generator and Such outatanding gasoline engines as YAMAHA made in Japan, which appears small in size, light in weight, easy to start, low in fuel conswmption and noise production with a stable voltage and frequency output.

本系列发电机组，是我公司新一代TFDW4单相无刷发电机与日本雅马哈等名牌发动机完美的结合，稳定的电压和频率输出及体积小、重量轻、起动方便、油耗低、噪音低等特点，充分地体现了高性能、高质量发电机组所应具备的要素，是银行、小型餐厅、娱乐场所、家庭及牧场的理想电源。

Nf will repeat exactly after a time T = 1/f. The harmonic series is special because any combination of its vibrations produces a periodic or repeated vibration at the fundamental frequency f.

系列的谐音ㄈ长特别是因为在任何的组合下，其本身的震动产生了一个和基础频率f周期性且或重复性的震动。

Mr. Gong Yi, a famous Guqin master of unique personal playing style, has taken advantages of the strong points of different schools to show the unique lingering charm vividly and incisively in this collection through his exquisite playing technique and superlative craftsmanship, in combination of the audio treatment technology of Pauler Acoustics, Germany for the master tape, to allow you be intoxicated with the broadness of motion, the deepness and richness of low frequency and the smoothness of space sense, as if staying in a deep and secluded valley in remote mountains, surrounded by ancient woods and cool spring, reaching a selfless state with an integration of person and the Guqin.

素以博取众家之长，形成极具个人风格的著名古琴演奏家--龚一先生，在本专辑中更以其鬼斧神工的精湛演奏技巧，结合母带后期采用德国老虎鱼音频处理技术，将琴乐特有的空间韵味表现得淋漓尽致，使你沉醉于其宽广的动态，浑厚丰满的低频和流畅的空气感中，犹如置身于深山幽谷、古木寒泉中，臻至琴意相通，人琴合一的无我境界。

Finally, the combination of adaptive control and proportional control are applied to develop the control algorithm in DSP to suppress the disturbance and natural frequency oscillation simultaneously, and the efficiency is verified experimentally.

最后，本文结合适应性控制和比例控制演算法於DSP内，进行同时抑制平板上的扰动量和自然频率共振的实验研究，结果证实此控制方法有很好的效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。