搜索结果: 1-15 共查到“理学 ARM”相关记录18条 . 查询时间(0.064 秒)
通过引入PTP精密时间协议并分析其工作原理，基于ARM（STM32F407）芯片及其相关的外围电路设计了时钟同步与触发单元（MAC层获取硬件时间戳），进而通过相关软件（包括时钟同步软件，TCP/IP协议栈移植等）设计从而实现分布式测试系统的时钟同步。大量相关实验（两时钟节点网线直连，两节点交换机相连，定时触发输出等）结果表明：组网的各时钟同步与触发单元实现了亚微秒级时钟同步精度和精确同步触发功能。...
Comparison of midupper arm circumference and weight-for-height z score for assessing acute malnutrition in Bangladeshi children aged 6–60 mo: an analytical study
community-based management of acute malnutrition detection of malnutrition in children aged <5 y midupper arm circumference wasting weight-for-height z score
2018/11/20
Background: In clinical settings, wasting in childhood has primarily been assessed with the use of a weight-for-height z score (WHZ), and in community settings, it has been assessed via the midupper a...
Quadriplegic 'feels' again thanks to brain-computer interface and robotic arm combination（图）
Quadriplegic feels again thanks brain-computer interface robotic arm
2017/10/25
From buttoning a shirt to grasping a cup, the ability to manipulate objects is aided by the sense of touch, which is why traditional prosthetics limit patient function.Earlier this year, however, a qu...
Short children with a low midupper arm circumference respond to food supplementation: an observational study from Burkina Faso
MUAC moderate acute malnutrition stunting treatment undernutrition
2018/11/27
Background: The management of children with moderate acute malnutrition (MAM) is based on food supplementation in outpatient programs. When midupper arm circumference (MUAC) is used as the sole admiss...
Herschel observations of ortho- and para-oxidaniumyl (H2O+) in spiral arm clouds toward Sagittarius B2(M) *,**
H2O+ massive star forming
2014/12/22
H2O+ has been observed in its ortho- and para- states toward the massive star forming core Sgr B2(M), located close to the Galactic center. The observations show absorption in all spiral arm clouds be...
A non-robotic device that helps stroke survivors regain upper limb movement is expected to be commercially available in Australia within the next 12 months.
Measurement of Galactic Logarithmic Spiral Arm Pitch Angle Using Two-Dimensional Fast Fourier Transform Decomposition
Galactic Logarithmic Spiral Arm Pitch Angle Two-Dimensional Fast Fourier Transform Decomposition
2012/2/23
A logarithmic spiral is a prominent feature appearing in a majority of observed galaxies. This feature has long been associated with the traditional Hubble classification scheme, but historical quotes...
利用美国大气辐射测量项目（ARM) 制作的 “气候模拟最佳估计” （CMBE) 观测数据集, 检验美国环境预报中心 （NCEP) 全球预报系统 （GFS) 2001～2008年在ARM Southern Great Plains （SGP) 站点预报的大气温度、 相对湿度和云量的垂直分布, 主要结论如下: （1) NCEP GFS较好地预报出了温度和相对湿度的季节变化。就各个季节平均而言, NCE...
Arm & Interarm Star Formation in Spiral Galaxies
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/24
We investigate the relationship between spiral arms and star formation in the grand-design spirals NGC 5194 and NGC 628 and in the flocculent spiral NGC 6946.
针对海洋生态调查对海水总有机碳含量(TOC)的要求，研制了一种基于化学发光法检测海水 TOC值的现场分析仪。该仪器硬件基于SOC技术，采用ARM架构S3C2440微处理器，嵌入Windows CE操作系统。经过多次海试测量验证，该分析仪在保证测量精度的前提下，提高了测量速度，具有很好的现场应用性。
本文介绍了以ARM处理器 S3C44B0为核心、利用红外光谱原理对大气有害气体浓度进行监测的实时在线检测系统。通过对测试原理和方法的充分论证之后，设计了气体浓度检测的红外传感器。开发了以S3C44B0为核心，包括A/D转换模块、LCD液晶显示模块、RS485通讯模块等在内的ARM中央硬件处理平台。与传统的同类传感器相比，具有响应速度快、重复性好、高精度等优点。实验表明：测试精度可达到5ppm，可以...
Time Delay Interferometry for LISA with one arm dysfunctional
time delay interferometry one arm dysfunctional
2010/3/18
In order to attain the requisite sensitivity for LISA - a joint space mission of the ESA and NASA- the laser frequency noise must be suppressed below the secondary noises such as the optical path nois...
Manufacturing of FRODOSpec red arm optics and mounts。
Extracting scientific results from robotic arm support operations：A technique for estimating the density and composition of rocks on Mars
rock pushing activities Mars density
2009/6/1
This contribution presents the unique technique of using rock pushing activities to estimate the densities of rocks remotely.
Characteristics and direct radiative effect of mid-latitude continental aerosols：the ARM case
Characteristics and direct radiative effect mid-latitude continental aerosols ARM case
2009/3/11
A multi-year field measurement analysis of the characteristics and direct radiative effect of aerosols at the Southern Great Plains (SGP) central facility of the Atmospheric Radiation Measurement (ARM...