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solar flare 耀斑。

solar flowers

In the lecture , dr lui will provide the latest knowledge of nearby space environment , examine the correlation between space disturbances and our daily lives , including the radiation dosage for frequent airplane travelers compared to that of workers handling nuclear fuel , explain sun activities such as sunspots , solar flare , solar wind and space storms , etc . and how they will damage space assets and satellites for communication and navigation systems that our mobile telephone network , television broadcasting and flight routes will also be affected 講座上呂博士將以深入淺出手法,介紹科學家對太空天氣的認知預報研究工作,以及黑子耀斑風暴地磁暴和極光等太陽活動,對我們日常生活的影響,如經常乘坐飛機旅客跟核電廠工人所受的幅射影響比較,以及太空天氣對地球的實質影響。

According to the present status of studying the solar flare using gps , a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined , with the data of dual - frequency gps code and phase and navigation message , the vtec at the satellite ' s epp can be worked out 根據現在研究太陽耀斑的實際情況,提出了利用gps研究太陽耀斑的數據處理方法:利用雙頻觀測值確定出儀器偏差后,再利用碼和相位觀測值,結合導航電文就可以求出電離層交叉點的沿天頂方向上的電子總量vtec值。

The bastille - day flare of 14 july 2000 , a great solar flare with x - ray / ha importance of x5 . 7 / b3 , was observed around 10 : 24 ut in the noaa 9077 ar at position n22w07 . in this flare , very rich interesting radio bursts and fine radio spectral structures were detected , not only in metric wave band , but also in decimetric and microwave band ( 1 . 0 - 7 . 6 ghz by national astronomical observatories of chinese academy of sciences - naoc ) 2000年7月14日的太陽耀斑爆發? bastille事件,備受國際太陽物理學家關注,著名的sci刊物“ solarphysics ”特出版專輯研討該事件,從光球、色球、日冕、直至日地空間的廣闊空間尺度范圍內,對該事件的觀測資料進行了分析和理論研究。

Theoretical researches on solar activity , solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics , magnetohydrodynamics ( mhd ) and so on . the forecast of solar activity , a main branch of space weather , was becoming more and more significant for preventing space disaster and for many aspects of space science 探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展,有著重要的理論意義;而對太陽活動的預報,是國際前沿科學?空間天氣學的重要組成部分,對避免空間災害、為航空航天科學提供服務等方面,具有重大的實際應用價值。

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。

By means of 4 dual - frequency gps receivers over china , the tec in the ionosphere during solar flare on nov 22 , 1998 is calculated . the results indicate that the flare , the x - ray level of which is x3 . 7 , cause obvious tec enhancements in the ionosphere , the largest tec enhancement caused by the flare is about 1 . 25 tecu . the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed . it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare , and can get more ionospheric disturbances information because of the special satellite constellation 此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線電短波中斷。通過對gps得到的電離層tec進行分析發現:此次耀斑造成了大面積的電離層tec的增加,耀斑爆發引起的最大tec增幅在1 . 25個tec單位左右利用高精度的gps數據處理方法可研究耀斑引起的電離層擾動。另外,還分析了由gps計算的tec的時空變化特點。

The advantages of the new method of calculating the vtec including : ( 1 ) because the instrumental bias is considered , the vtec ' s change going with time is closer to their real change . ( 2 ) with the precision of calculated the vtec improved , the vtec can reflect the increase of the vtec resulted from the solar flare 新的求解vtec的方法具有以下優點:考慮了gps衛星和接收機的儀器偏差的影響,計算的電子總量隨時間的變化更接近電離層的實際情況;提高了求解電子總量的精度,計算出的vtec值更能反映耀斑引起的電子總量的增加情況。

Sunspots are dark regions on the sun s surface , where their temperatures are lower than the average temperature of the photosphere 6 , 000 degrees celsius , and are presumably associated with the strong magnetic field . the strength of the magnetic fields is thousands times stronger than earth s . such strong magnetic field keeps sunspots at 4 , 500 degree celsius and also serves as a reservoir of energy for explosive events like solar flares 太陽黑子是太陽表面的暗黑區域,溫度較光球層的平均溫度攝氏6 , 000度低,而區域內的磁場比地球的磁場還要高出數千倍,這強大的磁場除了令黑子處于攝氏4 , 500度外,更為爆發性現象如太陽耀斑提供了能量。

In the present thesis , we summarized the current observation means , taxonomy and theoretic study of the solar flare . then , we introduce our research work of the well - known solar flare of april 27 , 1981 本文綜述了太陽耀斑的觀測和理論研究現狀,詳細介紹本人在攻讀碩士學位期間針對1981年4月27日在太陽西邊緣爆發的一個典型的耀斑后環所作分析的研究工作。

Solar flare a sudden eruption of hydrogen gas on the surface of the sun , usually associated with sunspots and accompanied by a burst of ultraviolet radiation that is often followed by a magnetic disturbance 太陽耀斑,太陽表面氫氣的突然爆發,經常和太陽黑子有關并伴有紫外線輻射的爆發,從而導致磁干擾。

The advantages and disadvantages of this method with calculating vtec are compared . the results show that the effects of even smaller class solar flare can be reflected using this method 比較了這種數據處理方法和求解vtec方法各自的優缺點,指出利用這種方法可以監測到級別更小的耀斑爆發。

This energy soon showered earth ' s upper atmosphere , tearing apart atoms in a region called the ionosphere to a greater depth than an ordinary solar flare and causing them to glow 這個能量很快顯示到地球的外大氣層,將在電離層中的原子擊開,使它們發出比普通太陽耀斑使它們發的更亮的光。

Space weather originates from the sun . it generally refers to all solar activities such as sunspots and solar flares , and the effects they may have on the earth 太空天氣(又稱空間天氣)源于太陽,它一般是指一切太陽活動,包括太陽黑子和太陽耀斑等,以及其為地球帶來的影響。

Space weather originates from the sun . it generally refers to all solar activities such as sunspots and solar flares , and the effects they may have on the earth 太空天氣又稱空間天氣源于太陽,它一般是指一切太陽活動,包括太陽黑子和太陽耀斑等,以及其為地球帶來的影響。

The method of calculating the change rate of the vtec using phase data is introduced . with the help of this efficient method , the solar flare is analyzed in this thesis 介紹了利用載波相位觀測值求解電子總量變化率的方法,并利用這種方法的計算結果對耀斑進行了分析。

The present methods of studying ionosphere and their characters are analyzed . meanwhile , the feasibility and advantage of studying the solar flare using gps are expounded 分析了當前研究電離層的方法及其特點,指出利用gps研究太陽耀斑的可能性及其優點。

The storm , the most disruptive to hit earth since 1989 , was unleashed by the fourth - most powerful solar flare ever seen , nasa said 美國國家航空航天局說,這次太陽磁暴是由迄今所見最強烈四個太陽耀斑釋放,對地球的襲擊也是自1989年以來最具有破壞性的一次。

Solar flares are caused by magnetic storms on the surface of the sun and consist of eruptions of highly charged particles that travel at high speed through space 太陽的閃焰爆發因太陽表面的磁暴所引發,噴出大量高度帶電的粒子以高速在太空中運行。

One reason is that the electrical resistance in the corona is typically quite low ? too low to account for the explosive rate at which solar flares brighten 一個理由是日冕中的電阻一般說來是相當低的,低到不足以解釋日焰爆發時增亮的程度。