• Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.

    本文通过天线调整优化实现了天线增益提高满足高增益要求

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  • Two dimensional image was obtained by transesophageal echocardiography. The thickness, wave time and velocity were showed during atrial septal motion by omni directional M mode echocardiography (OME).

    应用经食管超声心动图获得图像,全方向M超声显示测量房间隔运动厚度波幅时间速度

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  • But if the goal is to reproduce sounds accurately, then a speaker must be either an acoustic point source (monopole, omni-directional) or an acoustically small bi-directional source (dipole).

    但是如果目标精确声音的话扬声器必须声学上的声源(单极点,全向响应),或者是声学双向(偶极)。

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  • Objective To confirm clinical significance of wall motion velocity and acceleration measured by LEJ-1 omni-directional M-mode echocardiography (OME).

    目的证实LEJ - 1型全方向m -型超声心动图测量心室运动速度加速度临床意义

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  • The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform (DFT).

    介绍基于离散傅里叶变换(DFT)全方向M型超声心动图运动曲线滤波技术。

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  • To implement target detection and tracking in long distance, a kind of high resolution omni-directional vision system is designed by catadioptric imaging.

    针对远距离目标检测跟踪采用折反射成像方式,设计了一分辨力全向视觉系统

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  • This paper introduces the study on omni - directional vision system calibration method using central catadioptric projection property of space line.

    利用空间直线中心折反射投影特性视觉系统标定方法进行研究

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  • Two-dimensional interpolation method is discussed to reduce the error of distance calibration which is caused by the omni-directional machining accuracy.

    距离标定中,本文提出二维插值减小全景反射镜面因加工精度不高带来的距离标定误差

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  • This paper introduces the anti-vibration design, distance-regulation device design and the die design of foaming body in an omni-directional antenna pedestal.

    介绍全向天线座抗振设计距离调节装置设计发泡模具设计。

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  • Third, on the design of omni-directional reflector, we designed the stent system by controlling an external parameter.

    第三反射面的设计基础上,设计外部参数可调支架系统

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  • Secondly, intelligent mobile robot and remote reality, based on Omni-Directional Vision, is combined together to design the teleoperation system of mobile robot.

    其次把智能移动机器人全景视觉结合,设计基于全景视觉远程现实移动机器人遥操作系统

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  • The characteristics of the omni-directional periodic circular dielectric rod leaky-wave antenna are analyzed by the improved perturbation method.

    本文改进微扰法分析了一种新型圆柱介质毫米波全向漏波天线的辐射特性

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  • In order to achieve an ideal omni-directional pattern, the antenna consists of three parallel fed sub patch antenna arrays which are arranged in a triangular configuration.

    为了避免并行馈电网络影响天线的全向性,采用了扇区天线合成全向覆盖的方案,每个扇区天线一个贴片天线阵列

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  • A parallel feed patch antenna array is designed as the omni-directional antenna of the base station antenna.

    针对中心站用全向天线高性能要求,设计了并行馈电的天线阵列

    youdao

  • This little clip-on omni-directional condenser microphone provides great sound at a reasonable cost.

    这个领夹式麦克风有很好的收音效果,值得这个价格。

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  • DVOR (Doppler VHF omni-directional Range) is one of the equipments most commonly used in today's civil aviation communications and navigation. It provides the perspective information for the aircraft.

    多普勒甚高频全向信标当今民航最为常用通信导航设备之一,可以给民航飞行器提供角度信息

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  • Frequency conversation efficiency is special high, because omni-directional can reflect in band gap region of photonic crystals.

    由于利用光子晶体带特性,能够落入光子晶体禁带中的光波实现全反射,故频率转换效率很高

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  • The paper discusses a new mobile robot localization method by means of fusion of a 2-D laser scanner and omni-directional vision.

    讨论通过激光传感器全维视觉传感器提取数据融合技术进行移动机器人定位方法

    youdao

  • The paper discusses a new mobile robot localization method by means of fusion of a 2-D laser scanner and omni-directional vision.

    讨论通过激光传感器全维视觉传感器提取数据融合技术进行移动机器人定位方法

    youdao

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