frequence

The characterization of the multi-path channel and fading channel are discussed, and the characteristic parameters of the channel describing is used to give the channel sorting based on multi-path time spread and Doppler frequence spread.

讨论了多径信道和衰落信道的表征，利用信道描述的特征参数给出了基于多径扩展和多谱勒扩展的信道分类。

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The design of high-frequence oscillate circuit can improve the reliability ofcharacter ofoperation and easy maintenance.

采用高频振荡原理设计振荡电路,提高了稳定性和可靠性.

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Results After injected morphia into side-ventricle, the frequence of PEN ( pain-excitatory neurons) discharge in normal neuron accummbens ( Nacc) and medial septal diagonal band complex increased, while the firing of PIN ( pain-inhibitory neurons) decreased.

结果侧脑室注入盐酸吗啡后可使大鼠伏隔核及内侧隔-斜角带核痛兴奋神经元（PEN）电活动增加，使痛抑制神经元（PIN）电活动减少。

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Research of Advance Payment Heat Meter Based on Radio Frequence Card

基于射频卡的预付费热量表的研究

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Replacement of Thyratron by High-Voltage Silicon Rectifier for High-Frequence Power Source

用高压硅整流器代替闸流管的高频感应加热装置

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The whole system design using USB technology to virtual frequence analyzer is introduced, the USB interface design method is discussed particularly.

文中介绍了USB技术运用于虚拟频谱分析仪的总体设计，重点讨论了USB接口的设计方法。

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The mathematical model of 3-phase PWM VSR using state space average method is studied under the high swith frequence at frist, then the pulse time ratio is given using the space vector technology.

在高开关频率下，应用状态空间平均法建立三相电压型PWMVSR数学模型，利用矢量合成原理，推算出各相开关函数占空比。

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Computer-aided design for frequence-domain of strong disturbance resistibility control system

强抗扰恒值系统的频域CAD研究

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The wavelet transform processes the high frequence information and the low frequence information simultaneously, which is like the human visual system. For satisfying the requirements of remote sensing image interpolation, taking the characteristic of wavelet transform into account, this paper presented wavelet bilinear interpolation algorithm.

为了符合遥感图像插值的要求，本文针对小波变换同时处理高频和低频信息，与人眼视觉系统特性相象的特点，提出了小波双线性插值算法。

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Nursing experience about treatment of preexcitation syndrom with radio frequence resolution

射频消融治疗预激综合征的护理体会

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With the scale of modern Power Systems continues to expanded, the requirement of reliability and efficiency to The power system operation and management improved constantly, So the test of relay protection turns to more and more frequence and complicated.

现代电力系统规模的不断扩大，对电力系统运行和管理的可靠性、高效性要求的不断提高，使得电力保护系统的测试也变得更加频繁和复杂。

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The irrationality focuses mainly the indication, the doses, therapeutic course and the frequence of drug change.

不合理用药表现在适应症不合理 、 用药量大 、 疗程太短、换药频繁等.

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Hours Low impedance, Suit for use in switching power supplies and high frequence circuit.

·85℃2000小时,低阻抗, 适用于开关电源及高频电路.

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Then, the Adaptive Equalizer on frequence domain and the improved architecture of equalizer is given.

接着介绍了单复抽头自适应频域信道均衡器的原理并进行仿真,并给出了改进的方案即滑窗结构的均衡器.

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The low frequence 1/ f voltage noise of the T1 film microbridge

TI膜微桥隧道结的低频1／f噪声

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This paper introduce the study of the frequence domain response with the data of the time domain IP measure on the basis of the principle of the reverse convolution product.

本文应用反褶积的数学原理，用时间域激电测量数据来研究频率域响应。

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System frequence flow and specifications analysis for Spaceborne Radar Altimeter

星载雷达测高计系统频率流程和指标分配

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Method of Time Frequence Syntony for Flutter Boundary Prediction

颤振边界预测的时频共振方法研究

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Then considering configuration of the time domain IP measure and the Fourier coefficient of the excitation pulse, calculate various response of the frequence domain.

然后结合时间域激电测量方案，及激发脉冲的频谱系数，计算频率域的各种响应参数，如频散率、频导电率、频激电率。

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We experimentally fabricate GHz high speed optical receiver front-end and measure their frequence response using microwave network analyzer.

在实验上制作了GHz级高速光接收机前端，并用微波网络分析仪测试了前端的频率响应。

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The two _ parameter algorithm was applied to classic , frequence _ agile and staggered PRI radar signals.

文中双参数算法可用于常规雷达, 参差雷达与捷变频雷达.

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After setting, we can use following command to check if the core frequence is changed.

设定完后可以利用以下命令来查看是否工作频率已改变.

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The Dynamic Performance Research of SG-ⅲ Frequence Converter

神光-Ⅲ倍频组件动态性能研究

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A New Model System with Multiple Source Signal Classification on AOA and Frequence

新体制多目标信号AOA与频率分选系统

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The study of the frequence domain response with the data of the time domain IP measure

用时间域激电测量数据来研究频率域响应

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PLL has excellent character of narrowband slot, making locked frequence has the same frequence stability and spectrum purity, and has excellent performance spur reduction.

锁相环有良好窄带跟踪特性，使被锁定的频率具有与参考频率一致的频率稳定度和频谱纯度，对杂散的抑制性能良好。

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Test results show that the frequence converter has good dynamic and static performance.

实验表明,其具有良好的动静态性能.

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The-frequence oscillator used in TIG welding a serious interference source to the nearby electronic circuits.

TIG焊中采用的高频振荡器,是邻近电子电路的严重干扰源.

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In this paper, the author described the relation between self-resonance frequence of the fixed inductor LG and its own distributed capacitance, and presents how to reduce the distributed capacitance so as to improve the self-resonance frequency of the fixed inductor.

本文以大量的试验结果说明固定电感器自谐频率与自身的分布电容的关系.并提出如何来减小分布电容从而提高固定电感器的自谐频率。

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Diopside rock is a functional raw material for high frequence porcelain.

透辉石矿是高频瓷的一种实用原料.

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