observation frequency 中文意思是什麼

observation frequency 解釋
觀測次數
  • observation : n 1 觀察，注意；觀察力；?望。2 觀測，實測；【航海】測天；【軍事】觀測，監視，偵察。3 （觀察得的）...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. Clinical observation and nursing of radio frequency heat cure on myoma of uterus with b - ultrasonographic detection

    超監測下射頻熱凝治療子宮肌瘤的臨床觀察與護理
  2. After observation analysis, apis mellifera linnaeus and bombus ussurensis radoszkowski were determined to be the most effective and stable pollinators, with an extremely high pollination frequency and obvious date rhythm

    經觀察，在整個花期拜訪的訪花昆蟲中，義大利蜜蜂和烏蘇熊蜂是最有效而穩定的訪花者，而且拜訪頻率非常高。
  3. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  4. Therapeutical observation of high - frequency oscillatory ventilation in neonates with severe meconium aspiration syndrome

    高頻振蕩通氣治療新生兒重癥胎糞吸入綜合征
  5. An observation of curative effect treating facial paralysis with needling of opposite side and point stimulation with mid - frequency current

    繆刺法加穴位中頻電刺激治療頑固性面癱療效觀察
  6. The possible influence of the global warming to storm surge frequency has been one of the concerned questions at present for researchers. some of them consider that the frequency will increase according to the results of observation and simulation, but some others do n ' t agree to it. to verify the speculated conclusions, the coastal storm surge frequency in middle jiangsu province during the warm period of middle holocene is discussed in this thesis

    風暴潮頻率在全球氣候變暖后的可能變化已引起了廣泛的關注，而目前研究者們通過模擬與觀測所獲得的結論並不一致，基於此，本文從地質時期氣候冷暖變化與熱帶氣旋頻率變化之間的關系對這一問題作了驗證與探討。
  7. Experts from the atmospheric composition observation and service centre of cma say, according to the acid rain observation network, the frequency of acid rain of 19 provinces in china is 100 % in this year ' s rainy season ; the rain in late august in beijing was all acid rain, with a high proportion of strong acid rain, which has never happened since 1993 ; strong acid rain occurred for five times in july when it rained frequently in beijing

    中國氣象局大氣成分觀測與服務中心的專家介紹，酸雨觀測網顯示，今年雨季，全國有19個省市酸雨頻率為100 % ，北京地區8月中下旬的降水過程均為酸性降水，強酸性降水比例很高，而這是自1993年以來觀測中沒有過的，同時， 7月的頻繁降雨中，監測到5次降雨達到強酸性。
  8. The fifth is the observation in reality of a predicted link between increased sea - surface temperatures and the frequency of the most intense categories of hurricane, typhoon and tropical storm

    第五，觀察資料顯示：海洋表面溫度的持續上升和最高級別颶風、臺風以及熱帶風暴的發生頻率之間存在著可預測關系。
  9. Sewall wnight thought it desirable to weight each observation directly as the pollen frequency.

    賽沃爾勞埃特認為把每次觀測直接加權作為花粉頻率是可取的。
  10. Sewall wnight thought it desirable to weight each observation directly as the pollen frequency

    賽沃爾?勞埃特認為把每次觀測直接加權作為花粉頻率是可取的。
  11. The relationship between tb and thickness from rt method is one - to - one, but the relation from dgf method is n ' t. then an algorithm on detecting depth of microwave radiometer is proposed according to its characteristics. under special conditions, we analyze the tendencies of detecting depth vs. observation angle, frequency and thickness

    然後，根據輻射計自身的特點，提出了輻射計的探測深度的計算方法，並給出具體溫度分佈情況下輻射計探測深度的計算式，並分析了探測深度隨輻射計觀測角度和工作頻率的變化情況。
  12. Synthetic aperture radar ( sar ) is an active microwave remote sensing imaging system, which is widely used in earth observation and military detection due to its quality of working all day, all weather and its penetration ability in certain frequency band

    合成孔徑雷達（ sar ）是一種主動式成像雷達，由於它具有全天時、全天候的監測特性，並且在一定波段對植被、淺層土壤具有穿透能力，因此被廣泛應用於農林、地質、水文、海洋與環境監測、國防等領域。
  13. ( 2 ) damage detection based on wavelet transformation using the principle of time - frequency analysis based on orthonormal discrete wavelet transformation, it can detect damage by analyzing how the frequency content of observation signal changes with time

    該方法利用基於離散正交小波變換的信號時頻分析原理，通過分析觀測信號的頻譜隨著時間的變化情況來檢測破損。
  14. When estimating frequency with the fft, the resolution and accuracy are limited by the observation time of the signal, i. e., a / = it. the level measurement accuracy of the fmcw radar is determined by the bandwidth of the transmitted signal

    掃頻帶寬1 . 5ghz ， fft兩條譜線的間隔對應的距離為10cm ，而液位測量系統的精度要求達到1mm ，因此直接利用fft頻譜估計距離顯然無法達到精度要求。
  15. Through the observation and survey on wuhan city and the surrounding rural area, the article analyzes the communion model applicable to the various space and the coincide degrees between design function and use function, compares the interpersonal communion style, frequency and the use of communion site from some different aspects such as the two kind of urban and rural zones, cultures and lifestyles, in order to propose some guide in the relevant aspects at the design

    摘要該文通過討武漢市及其周邊農村的觀察與調研，分析各種空間所適宜的交流模式、設計功能和使用功能的吻合度，比較在城市與農村兩種不同地域、不同文化與生活方式下，人與人之間的交流方式、交流頻率以及對交流場所使用的異同，從而指導我們在相關方面的設計。
  16. The clinical observation of the effects of compound radix sophorae flavescentis injection combined with radio frequency therapy on advanced esophageal cancer

    復方苦參注射液配合射頻治療晚期食管癌的臨床觀察
  17. Abstract : in accordance with the building characteristics and the settlement observational data, based on the analysis of its settlement regularity, in the paper, the precision and frequency of settlement observation are discussed

    文摘:該文主要是根據建築物的特性和沉降觀測資料，在分析其沉降規律的基礎上，探討其沉降觀測的精度與頻率。
  18. The theory and method of monitoring the solar flare using dual - frequency gps receiver observation data are discussed in details. the main work contains : the factors influencing the vertical total electron contents ( vtec ) of the ionosphere are summarized, and some knowledge about the solar flare is introduced. besides these, the effects of the solar flare on the ionosphere and of the flare burst on the gps measurements are clarified

    本文探討了利用雙頻gps接收機的觀測值監測太陽耀斑的有關理論和方法，主要工作包括：總結了影響電離層電子總量的因素，介紹了太陽耀斑的有關知識，闡明了太陽耀斑對電離層的影響及耀斑爆發對gps測量的影響。
  19. Radio waves emitted by neutral hydrogen in the universe are detectable and the frequency is around 1. 42 ghz. in hong kong, this frequency is protected by international treaties and reserved for radio astronomical observation

    人們能夠測量在宇宙內由中性氫產生的無線電波，頻率約在1 . 42 ghz ，在香港，這段頻道是受到國際公約保護，留作射電天文觀測之用。
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