time-domain reflectometry 中文意思是什麼

time-domain reflectometry 解釋
時域反射測量法
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • domain : n 1 領土，版圖；領地。2 管區，勢力圈；（特定動物等的）生長圈；（學問、活動等的）領域，范圍；【物...
  • reflectometry : 反射測定法
  1. Time - domain reflectometry ( tdr ) : an impulse is transmitted into the loop

    時域反射器（ tdr ） ：一個脈沖發射給環路。
  2. In this paper, the calibration measures of time domain reflectometry ( tdr ) and neutron probe is discussed on basis of their theories and methods of measuring soil water content, and the processes of calibration experiments are described in detail

    摘要探討了時域反射儀和中子儀測定土壤含水量的原理，並在禹城試驗站對各自適宜的標定方法進行了試驗。
  3. Time domain reflectometry and its applications to water - saving agriculture

    時域反射儀及其在節水農業研究中的應用
  4. Measurement of soil bulk density by time domain reflectometry combined with soil sampling

    時域反射儀結合土鉆法測定土壤容重
  5. Effect of soil bulk electrical conductivity on time domain reflectometry measurement of soil water content

    土壤電導率對時域反射儀測定土壤水分的影響
  6. Standard test method for water content and density of soil in place by time domain reflectometry

    時間域反射測量法現場測定土壤含水量和密度的標準試驗方法
  7. Standard test method for determination of water moisture content of soil by the time - domain reflectometry method

    用時域反射計法測定土壤中水含量的標準試驗方法
  8. In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals

    首先，論文從分散式光纖光柵應變傳感網路的理論模型入手，分析了光纖布拉格光柵的傳感機理，建立光纖光柵應變傳感模型；在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上，提出應用光頻域反射復用技術和波分復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題，採用由寬帶光源和可調諧光濾波器組成的可調諧窄帶光源來解調復用信號，通過理論分析和實驗研究證實了系統方案的可行性。
  9. We use time domain reflectometry ( tdr ) to simultaneously estimate volumetric soil water content, soil solution electrical conductivity, and soil nitrate concentrations in combination with porous ceramic cup solution samplers to follow no3 - n transport in soil exposed to different irrigation, fertilizer quota and temperature. the experiment was conducted with nondestructive soil colums

    本研究中以原狀土為研究對象，利用時域反射技術隨時測定土壤含水量和電導率的特點結合多孔陶瓷杯抽濾技術，研究在不同灌水、施肥和溫度下硝態氮的變化。
  10. Time domain reflectometry ( tdk ) is a new measuring technique in the field of geotechnical engineering, which has attracted more and more attention for its convenient, economical, digital and remote control properties

    Timedomainreflectometry （時域反射法， tdr ）是一種新型的滑坡監測技術，具有方便，安全，經濟，數字化及遠程控制等優點，使滑坡監測效率得到較大的提高。
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