SBIR Phase I: Low-cost Time-domain Reflectometer for Soil Water Content Reporting in Precision Agriculture
SBIR 第一阶段:用于精准农业土壤水分报告的低成本时域反射仪
基本信息
- 批准号:1346113
- 负责人:
- 金额:$ 15万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2014
- 资助国家:美国
- 起止时间:2014-01-01 至 2014-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This Small Business Innovation Research (SBIR) Phase I project will develop new technology for the separation of ultra-fast-rise-time incident and reflected step functions needed for the development of an integrated differential Time Domain Reflectometer (TDR) to be used in soil water content measurement. Because of residual reflections from circuit board striplines terminated in variable soil loads and reflections from wetting fronts and discontinuities in the soil, the derivation of propagation time, permittivity and water content are subject to errors caused by the vector addition of the spurious, shorter-term reflections with the main reflection from the end of the waveguide. The characteristics of the interfering spurious signals vary with the soil environment. The overall waveform appearing at the TDR digitizer is a composite image of an incident step, a reflected wave and the set of spurious signals. The research required is that of characterizing the spurious signal patterns and of developing machine learning and signal processing algorithms to remove their impact from the derivation of reflected wave propagation time. Identification and timing of wetting fronts will also be included to provide sensor users with infiltration monitoring capability. The broader impact/commercial potential of this project is to provide an affordable and easily deployed means of accurately measuring soil water content, including the credible measurement of water uptake by food crops. This capability will facilitate significant increases in water use efficiency - the foundation for growing high quality food with less water. The value proposition to crop growers is reduced marginal costs and increased crop yield and quality, with a potential payback time of one to two growing seasons. Commercial adoption of soil moisture sensing technology will help manage the increased cost and demand for fresh water, of which over 70% of consumption goes to agriculture. The technology will also provide a stable and credible measurement tool for studying and monitoring watershed dynamics for flood and drought prediction, for monitoring dams, mudslide areas and levees for potential failure and for studying the impact of soil water dynamics on weather. Current tools for these measurements are either heavily regulated (neutron probe), difficult to install (Time Domain Transmissometer probe) or provide unstable readings with changing soil electrical conductivity and compaction (capacitive probes).
这个小企业创新研究(SBIR)第一阶段项目将开发新技术,用于分离超快上升时间事件和反射阶跃函数,用于开发用于土壤含水量测量的集成差分时域反射仪(TDR)。 由于来自终止于可变土壤负载的电路板带状线的残余反射以及来自土壤中的润湿前沿和不连续性的反射,传播时间、介电常数和含水量的推导受到由寄生的、短期反射与来自波导端部的主反射的矢量相加所引起的误差的影响。干扰杂散信号的特性随土壤环境而变化。 出现在TDR数字化仪上的整个波形是入射阶跃、反射波和一组寄生信号的合成图像。 所需的研究是表征虚假信号模式,并开发机器学习和信号处理算法,以消除它们对反射波传播时间推导的影响。 还将包括湿润锋的识别和定时,以向传感器用户提供渗透监测能力。该项目更广泛的影响/商业潜力是提供一种负担得起和易于部署的方法,准确测量土壤含水量,包括可靠地测量粮食作物的吸水量。这一能力将促进水资源利用效率的显著提高,这是用更少的水种植高质量食物的基础。 对作物种植者的价值主张是降低边际成本,提高作物产量和质量,潜在的投资回收期为一到两个生长季节。 土壤湿度传感技术的商业化应用将有助于管理不断增加的淡水成本和需求,其中超过70%的淡水消耗用于农业。 该技术还将提供一个稳定和可靠的测量工具,用于研究和监测流域动态,以预测洪水和干旱,监测水坝、泥石流区和堤坝的潜在故障,并研究土壤水分动态对天气的影响。目前用于这些测量的工具要么是严格管制的(中子探针),难以安装(时域透射仪探针),要么是随着土壤电导率和压实度的变化而提供不稳定的读数(电容探针)。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Scott Anderson其他文献
Development of a landscape in NE Minnesota, from the Early Holocene to Forest-harvesting, Agriculture and Industry
明尼苏达州东北部景观的发展,从全新世早期到森林采伐、农业和工业
- DOI:
- 发表时间:
2024 - 期刊:
- 影响因子:0
- 作者:
Scott Anderson;Nathalie Dubois;Erik T. Brown;M. Stockhecke;Ronald Johnson - 通讯作者:
Ronald Johnson
Provider perspectives of barriers and facilitators to the transition from pediatric to adult care: a qualitative descriptive study using the COM-B model of behaviour
提供者对从儿科到成人护理过渡的障碍和促进因素的看法:使用 COM-B 行为模型的定性描述性研究
- DOI:
10.1515/jtm-2022-0003 - 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
Christine E. Cassidy;J. Kontak;Jacklynn Pidduck;A. Higgins;Scott Anderson;Shauna Best;Amy Grant;Elizabeth Jeffers;Sarah MacDonald;Lindsay MacKinnon;Amy Mireault;Liam Rowe;Rose Walls;J. Curran - 通讯作者:
J. Curran
Routine history and physical examination prior to cataract surgery are not beneficial.
白内障手术前的常规病史和体检并无益处。
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:4.2
- 作者:
Emma Hillier;Scott Anderson;Wendy Sligl;C. J. Rudnisky - 通讯作者:
C. J. Rudnisky
Diagramming dramatism: Hell or High Water and the guilt-purification-redemption cycle
图解戏剧:地狱或高水位以及内疚-净化-救赎循环
- DOI:
10.1080/17404622.2021.1970786 - 发表时间:
2021 - 期刊:
- 影响因子:0.4
- 作者:
Scott Anderson - 通讯作者:
Scott Anderson
Profitability of Supplemental Irrigation and Soil Dewatering for Potato Production in Atlantic Canada: Insights from Historical Yield and Weather Data
- DOI:
10.1007/s12230-022-09890-3 - 发表时间:
2022-11-24 - 期刊:
- 影响因子:1.800
- 作者:
Yefang Jiang;Tobin Stetson;Ana Kostic;Scott Anderson;Matt Ramsay - 通讯作者:
Matt Ramsay
Scott Anderson的其他文献
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{{ truncateString('Scott Anderson', 18)}}的其他基金
Collaborative Research: Accretion Revelations from Changing-Look Quasars
合作研究:变化类星体的吸积启示
- 批准号:
1715121 - 财政年份:2017
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Collaborative Research: Modeling the Reionization of the Intergalactic Medium
合作研究:模拟星际介质的再电离
- 批准号:
1312724 - 财政年份:2013
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Single Nanoparticle Trapping Studies of Size Dependent Chemistry and Optical Properties
尺寸依赖性化学和光学性质的单纳米粒子捕获研究
- 批准号:
1111935 - 财政年份:2011
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Experimental and theoretical study of mode-specific vibrational dynamics in ion chemistry
离子化学中模式特定振动动力学的实验和理论研究
- 批准号:
0647124 - 财政年份:2007
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Mode-Selective Differential Scattering Studies of Ion-Molecule Reaction Dynamics
离子分子反应动力学的模式选择性微分散射研究
- 批准号:
0110318 - 财政年份:2001
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Mode-Selective Differential Scattering as a Probe of Polyatomic Ion Reaction Dynamics
模式选择性微分散射作为多原子离子反应动力学的探针
- 批准号:
9807625 - 财政年份:1998
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
The Restructuring at SUNY Cortland of Science, Mathematics, and Pedagogy Experiences for K-6 Pre-Teachers
纽约州立大学科特兰分校 K-6 学前教师科学、数学和教育学经验的重组
- 批准号:
9555152 - 财政年份:1996
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Reactant State Effects and Product Energy Disposal in Polyatomic Ion Chemistry
多原子离子化学中的反应物状态效应和产物能量处理
- 批准号:
9520802 - 财政年份:1995
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Reactant State-Selection and Product Energy Disposal in Polyatomic Ion-Molecule Reactions
多原子离子分子反应中的反应物状态选择和产物能量处理
- 批准号:
9208902 - 财政年份:1992
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
A Physical Basis for Real-Time Debris Flow Warning Systems
实时泥石流预警系统的物理基础
- 批准号:
9211927 - 财政年份:1992
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
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