brightness temperature 中文意思是什麼
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The resulting brightness temperature ( tb ), hydrometeor structure, and surface rainfall rate relations show that the ice hydrometeor, espatially the ice at the top of the precipitating cloud, decreases the brightness temperature significantly at 85
結果表明，在85 . 5ghz ，冰相水汽凝結體尤其是處于降水雲頂部的冰晶粒子由於散射輻射而使得亮溫顯著降低。亮溫與冰相粒子的含量之間有很強的相關性。 -
The brightness temperature is highly related to the density of ice hydrometeor. since the convective cloud system is tilted, and the viewing angle is oblique, the area displacement between ice hydrometeor and the surface rainfall rate makes the relation between tb and surface rainfall rate is relatively small
但亮溫和地面降水強度之間的相關性較弱，這是由於該對流系統為傾斜的，冰相粒子和地面降水強度之間存在著位置上的不一致，並且觀測角為傾斜的。 -
An estimation of brightness temperature for vegetated surface by matrix doubling method and iem
用雙矩陣法和積分方程模型估算地表的亮度溫度 -
( 5 ) parameterization of infrared satellite cloud imagery and its application in rainfall predication obvious correlation exist between the probability of rain and parameterization estimate such as average brightness temperature ( tb ), brightness temperature variance ( f ), equivalent cloudage ( cn ), brightness temperature area index ( al - the first a5 - the fifth grade, a6 - the sixth grade )
（ 5 ）衛星雲圖參數化及在降雨預測中的應用紅外衛星雲圖參數化估計值，與局地降雨過程的發生、發展具有較為密切的關系。相關較密切的參數有平均亮溫、亮溫方差、等效雲量、亮溫面積指數（ 1級、 5級、 6級） 。 -
Working on laser diode fiber - coupling modules was summed up, they are, setting up the model of far - field distribution of laser array and the far - field characteristics of difference structures ; designing the temperature - controlled laser diode fiber modules, that has been used as a laser system with temperature - controlled and fiber - output ; realization with high - brightness laser diode fiber - coupling modules ; the fiber ' s application in the field of high power laser
總結了自己在光纖耦合輸出激光二極體模塊方面所做的一些工作，建立了半導體激光器列陣遠場光束分佈模型，並結合具體參數分析了不同結構的激光器列陣的光束遠場分佈特性，可以知道我們設計和優化激光器列陣的結構。設計並製作了光纖耦合模塊的溫度控制系統，並製作成溫控光纖輸出激光器半導體系統投入使用。 -
They have characteristics of good - looking, high brightness, novel design and glaze softness. the cadmium lead content is much lower than international standard. for hardness and standing high temperature, it can be washed by machine in any hotel or family
產品具有白度高光潔度好釉面柔和，適宜賓館和家庭使用機械強度高，適宜於機械洗滌熱穩定性能好，適宜於高溫蒸煮消毒含鉛鎘溶出量低於國際標準等特點。 -
The driver has the quiescent current under 1 a and also has soft - start circuitry to limit inrush current flow at power up. the chip can be operated normally in the temperature range of - 40 to 85 according to the simulation results. the brightness of the white leds can be controlled by using a dc voltage or a pwm signal applied to the pin with a few external components added
系統採用0 . 5 mcmos工藝;輸入電壓范圍為2 . 7v到5 . 5v ;在關閉狀態下消耗電流小於1 a ;具有軟啟動功能，可減小啟動過程中的浪涌電流;具有短路及過熱保護功能，工作溫度范圍為- 40至85 ; led亮度控制可以通過外加dc或pwm電壓信號和很少的外部元件實現。 -
The chip is mainly applied to the portable electronic products with the following features : 2. 7v to 5. 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection, low 0. 1 a shutdown current ; soft - start limits inrush current
該晶元主要應用於便攜式電子產品，其輸入電壓范圍為2 . 7 5 . 5v ，工作頻率為固定的1mhz ，可大幅度降低輸入紋波和emi輻射，工作溫度范圍為- 40 + 85 ，可使用外部使能控制信號調節led亮度及控制晶元關斷與否，具有過溫保護和輸入欠壓關斷保護功能，完全關斷模式下關斷電流可低至0 . 1 a ，具有軟啟動功能以限制啟動時的浪涌電流。 -
Following functions are included : area measuring, temperature marking, brightness analyzing, etc. methods of segmentation of cryomicrscopic images are mainly discussed
軟體基於visualbasic平臺，為滿足低溫生物醫學實驗研究的需要提供了面積測量、溫度標記和亮度分析等功能。 -
The ten - wavelength pyrometer is developed for the demand of china jiliang university. the mathematical model is based on brightness temperature. the data is processed with least square fitting and the software is programmed with vc + +
本課題是應中國計量學院要求設計的一臺十波長高溫計，採用的是基於亮度溫度的數學模型，數據處理採用最小二乘擬合方法，軟體採用vc + +編寫。 -
There are three mathematical models of multi - spectral thermometry based on calibration factor, brightness temperature and reference temperature respectively
多光譜輻射測溫法的數學模型有基於檢定常數的數學模型、基於亮度溫度的數學模型和基於參考溫度的數學模型。 -
Leaking control system ; the access control system ; the video surveillance system ; the intruder alarm system ; the temperature and humidity control system ; the thunder control system ; the fire alarm system and ; the light control system. based on the power saving and security reason, the system switches the light brightness and records video cameras when the double sensor detects movement at night
對機房內的ups監控系統空調監控系統漏水監控系統門禁監控系統視頻監控系統防盜報警監測系統溫濕度監控系統防雷監測系統消防監控系統燈光控制監測系統等10個子系統進行集中監控。 -
The research is based on brightness temperature approach method and continuous temperature measurement method. the experiment results show that the methods are effective in measuring true temperature and emissivity. the study of the project plays an important role in improving and applying the technique of radiation thermometry theory
從模擬及對實測數據的處理結果來看，兩種方法為高溫及超高溫度下，某類目標真實溫度及物體的光譜發射率的測量提供了行之有效的方法，該課題的研究具有重要的理論意義和實用價值。 -
In this paper, wuhan was investigated as a example. a relation model was built between ground temperature and image brightness of landsat7 tm band 6, and a map of ground heat field was made by ihs enhance method. results show that the heat field of wuhan presents regular distribution
本文利用武漢市地區的landsat7tm圖像，對于熱紅外波段遙感圖像灰度值和地面溫度之間的關系進行了定量的解譯，並且採用ihs圖像復合增強的方法得到了武漢市地面熱場分布圖，取得了很好的模擬效果。 -
( 3 ) the effects of the random noise on the measured results, which are based on brightness temperature approach method and continuous measurement method, are evaluated. the experiment results demonstrate that the effect on brightness temperature approach method is uncertain and continuous measurement method can bear certain random noise
在某一溫度點下的各通道理論測量值加入一定的隨機噪聲，試驗結果表明:亮溫逼近法受隨機噪聲的影響是不確定的，而連續測量法可以承受一定的隨機噪聲影響。 -
( 2 ) a continuous measurement method based on brightness temperature is proposed by processing the measured data of the multiwavelength pyrometer at two different times, the true temperatures and spectral emissivities at two different times can be calculated simultaneously. the experimental results show that this method improves the measurement precision of true temperature and spectral emissivity
（ 2 ）提出了基於亮度溫度模型的連續測量法，通過處理多波長溫度計兩個不同溫度處的測量數據，可以同時求得兩個不同溫度處被測目標的真溫及光譜發射率，試驗表明:該方法可以提高計算精度。 -
( 4 ) the feasibility of applying of brightness temperature approach method and continuous measurement method in practical application are verified. the results of 8 - wavelength thermometer, which are based on the brightness temperature model, verify that continuous measurement method based on brightness temperature is a practical data processing method when the range of target ’ s emissivity is known. the
分別利用亮溫逼近法和基於亮溫模型的連續測量法對基於亮度溫度模型的八波長實測數據進行模擬，利用基於參考模型的連續測量法對固體火箭發動機羽焰溫度實測數據進行模擬，其結果驗證了連續測量法在工程實際中應用的可能性，並進一步驗證了當所給發射率范圍越接近實際物體發射率，計算結果越接近真溫。 -
Pulsar radio emission is markedly different from other astrophysical radio sources, characterised by extremely high brightness temperature and high degree of linear or circular polarization. the high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent. so far there is no widely accepted model for the radio emission. this paper discusses recent developments in studies of the production and propagation of pulsar radio emission
脈沖星的射電輻射與其他天體物理輻射源有很大的不同，因為它們有著極高的亮溫度和高度的線或圓偏振.極高的亮溫度意味著起作用的發射機制一定是相干的.至今尚無對這種輻射普遍接受的模型.本文討論了關于脈沖星的射電輻射產生和傳播研究中的新進展 -
To improve the measuring precision of true temperature and spectral emissivity, the dissertation brings forth the new ideas and work as follows : ( 1 ) a brightness temperature approach is proposed and used for the measurement of the true temperature and spectral emissivity
為了提高目標真溫和光譜發射率的測量精度，本課題主要研究工作如下: （ 1 ）提出了基於亮度溫度模型的亮溫逼近法的多光譜數據處理方法，以求取目標真溫及光譜發射率。 -
Secondly, the paper emphasizes particularly on introducing two different approaches to brightness temperature ( for short, tb ) of layered medium. one is based on rt theory ( called rt method ), and the other is on the basis of dgf ( called dgf method ). according to the methods, the relational expressions between tb of two - layer medium and the thickness of its first layer ( for short, thickness ) are achieved respectively
接著，著重介紹分層媒質亮度溫度（即亮溫）的兩種不同解法：基於rt理論的亮溫求解法（ rt方法）和利用並矢格林函數的特點得到亮溫的方法（ dgf方法） ，並推導出不同溫度分佈情況下，雙層媒質的亮溫隨第一層厚度的變化關系；結果表明：在相同溫度分佈情況下，兩種方法所得亮溫隨厚度的變化趨勢相同，但rt方法所得亮溫與厚度間是? ?對應關系，而dgf方法則不是。
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