本底信號 的英文怎麼說
中文拼音 [běndexìnháo]
本底信號
英文
background signal-
According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature
本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。This paper also ana1yzes the sidescan mapping princip1e of the mu1ti - - beam bathymeter, and process the avai 1ab1e data with sidescan mapping method to achieve the sidescan imagery represented by the reverberation strength
本文還對多波束測深聲納側掃成像原理進行分析，利用現有的數據進行多波束側掃成像處理，形成表示海底反向散射信號強度的海圖。To add " although " after " that, " ; to delete " and " after " all over the world, " ; to delete " has all along supported " after " the sar government " and substitute with " still needs to strengthen its support for " ; to add " in view of the difficult business situation of the industry, allocating more resources to promote monument sponsorship, green ecology and local customs, and setting a timetable for developing hong kong s cultural characteristics of the east meeting the west under one country, two systems, thereby improving the hardware and software of the industry s business environment on a broader level ; restructuring the hong kong tourism board and travel industry council of hong kong to enhance their representation and further include the participation of trade union representatives ; further promoting good labour relations in the industry, comprehensively perfecting the employment system and formulating reasonable employment conditions including basic salaries, employees compensation insurance, mandatory provident fund, medical benefits and holidays, etc, improving the employee - employer and staff - management communication mechanisms and promoting cooperation between the employees and employers in order to create a win - win situation for both sides, so that both sides can join hands in promoting the development of the industry ; through commending trustworthy shops and tourist guides and employees in the industry who are professional, sincere, friendly, hospitable and make tourists feel welcomed, establishing quality brand names and goodwill of local tour reception agencies to improve the image of the local tourism industry ; " after " which include : " ; to delete the original " and substitute with " ; to delete the original " and substitute with " ; to delete ", eliminating uneven distribution of interests " after " internal conflicts in the industry " ; and to add ", so as to foster a sustainable and healthy development in the local tourism industry " immediately before the full stop
王國興議員動議下列修正案：在"香港"之前加上"雖然"在"國際城? ， "之後加上"但"在"特區政府"之後刪除"一向亦" ，並以"仍必須加"代替在"大力"之後加上"度"在"包括"之後加上"一鑒于業界經營困難，增撥資源推動認養古跡綠色生態及人文風俗，並訂定時間表，以發展香港在一國兩制下中西交匯的文化特色，從而在更廣的層面改善業界經營環境的軟體和硬體二重組香港旅遊發展局和香港旅遊業議會，以增加其代表性，並進一步吸納工會代表的參與三進一步推動業界建立良好的勞資關系，全面完善聘用制度和制訂合理聘用條件包括底薪勞保強積金醫療及假期等，改善勞資及管職的溝通機制，促進勞資合作，達致勞資兩利，使雙方能共同手促進業界發展四透過表彰誠信經營的商號，以及專業誠信親善好客及使旅客賓至如歸的導游和從業員，樹立本地旅遊接待單位的優質品牌和信譽，以改善本地旅遊業界的形象"刪除原有的"一" ，並以"五"代替刪除原有的"二" ，並以"六"代替在"業內矛盾， "之後刪除"消除不平衡的利益分配， "及在緊接句號之前加上" ，促進本地旅遊業界持續及健康發展" 。On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly
摘要在相干聲納硬體結構及數據採集方式的基礎上，結合具體的深海鈷結殼探測環境和技術要求，確定了換能器基本布局，探討了信號採集與處理方法，利用能量相關搜索法對回波信號進行分析和計算，得出超聲波實時照射下的海底表面微地形高程數據，為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。Arc1, thl1 and thl2, the substrate protein genes of s receptor kinase, were cloned through a series of methods of molecular biology such as pcr, rt - pcr, dna cloning and sequencing. the resultings sequences were highly analysed by using the related biosoftwares on internet, providing new insights in the field of the molecular mechanism of self - incompatibility in plants. the major results are as followings : 1
本文通過pcr和rt - pcr等一系列分子生物學方法克隆了蕓薹屬植物中的甘藍和油菜自交不親和信號傳導過程中srk底物蛋白基因arc1 、 thl1和thl2 ，並使用各種相關生物信息學軟體對srk底物蛋白基因序列進行了分析，然後在internet網上利用在線軟體對蛋白質的結構和功能進行了預測和探討，以期為蕓薹屬植物自交不親和性的分子機理的研究提供新的內容。In the following chapters, a 16 - channel experimental phased array ultrasonic testing system is thoroughly explained, including digital beam forming, low noise programmable amplification of received ultrasound signal, multi - channel hi - speed hi - precision data acquisition, hi - speed real - time processing of multi - channel ultrasound signal, and hi - speed data transfer based on pci bus. in addition, the frame of software system is built
本文詳細闡述了作者所獨立研製的16通道相控陣超聲檢測實驗系統，包括數字化超聲發射/接收波束形成、超聲信號的低噪聲程式控制放大、多通道高速高精度數據採集、多通道超聲信號高速實時處理、基於pci總線的高速數據傳輸等全部電路模塊的結構及工作原理，並說明了所編寫的底層軟體系統的框架。2 ) the sce shows potential of the application for sea bottom classification. both the improved sub - band frequency energy technique and the phase plane technique can distinguish completely the sea - beds : sand - type and silt - type
本文提出的相平面方法是一種新的辦法，對現有的兩類海底散射信號數據處理效果很好，其有效性需要進一步驗證。In this paper, we use fft beam - - form technique to increase the number of beams and bearing deviation indicator ( bdi ) and sp1 it - - aperture corre1ation a1gorithms are used to estimate the time of arrival ( t0a ) and direction of arriva1 ( d0a )
本文在分析借鑒國外資料的基礎上，研究了利用fft波束形成技術來增加波束形成數目，並應用bdi演算法和分裂孔徑相關法來完成對海底回波信號的時間和方向的聯合估計等相關技術對海試數據進行處理。In the real time signal processing systems, the processed data in the preprocessing algorithm of the ir images is excessive and require high speed operation and almost impossible to complete it by software ; but it is simple in operation structure and suitable to be implemented by fpga
但是出於更復雜背景條件下演算法有效性的目的，本文深入討論了局部自適應門限分割演算法的設計。 2 .在實時信號處理系統中，底層的圖像預處理演算法目前難以用軟體實現;但是其運算結構相對比較簡單，適于用fpga進行硬體實現。In this thesis, the research work of a new type multifunction integrated optical circuit device ( mioc ) used in singal processing of ifog is described through parameter theoretical design and technological process. its working wavelength is 1. 3 m
本文基於linbo _ 3襯底材料，從參數理論設計和工藝設計方面介紹了一種用於干涉型光纖陀螺（ ifog ）信號處理的新型多功能集成光路器件（ mioc ）的研製工作。( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese
本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。This paper is based on the base band processing design, as the bridge of communication processing module and receiving and sending module, base band module has taken charge of dsp of ais protocol bottom
本文以基帶處理模塊的設計為重點，作為ais通信處理模塊與ais收、發模塊之間的橋梁，基帶處理模塊負責ais協議底層的數字信號處理工作。Secondly, it sets forth the basic principle and constitutes of the full open cnc and so on, and focuses on down - level communication of hardware - function module by using wdm technology, the newest technology developed by microsoft co., and develops a wdm device driver for digital i / o module ( hy - 6140 digital input card ) in pcnc based on windows2000, which can rapidly and correctly reads the digital signal outside from the hy - 6140 digital input card through real testing
然後，闡述了全開放cnc基本原理和構成等，並把重點放在pcnc硬體功能模塊的底層通訊的開發上，採用微軟推出最新一代的wdm技術，在windows2000平臺上為pcnc中的數字i / o模塊（ hy - 6140數字輸入卡）開發了一個wdm設備驅動程序，通過實際測試能夠實時準確地讀取外部的數字信號。It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap
實驗中還發現，在峰值磁場0 . 57t和束流半高寬44ns情況下，得到了25ns半高寬和35ns底寬的微波脈沖信號，隨著導引磁場增加，微波信號幅值基本不變，但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍，說明在磁場軸向分佈的一定變化范圍內，器件都可以正常工作，這對以後的永磁場系統導引的微波實驗有利。This machine adopts a whole stainless steel packing, the temperature is a number to show automatically control, heat or reduce the heat to all have a signal beacon manifestation, the electric current electric voltage size switches on to all have a manifestation, automatically feeding powder can adjust soon, spread to move part is the bean that the my plant produce product machine appropriation decelerate machine, electrical engineering is the steel plate adjustable type, the machine bottom use of upscale run a round, easy to ambulation, cool off part is automatically circulating water device, the bottom establishes keep of big capacity water tank and heat part is heat preservation economy energy type, normal production can economy in electricity quantity of 30 %, in fact use electricity charges and burn coal basic hold even
本機採用全不銹鋼包裝，溫度是數顯自動控溫，加溫或降溫均有信號燈顯示，電流電壓大小開機均有顯示，自動喂粉可以調速，傳動部分是本廠生產的豆製品機械專用減速機，電機架是鋼板可調型，機器底部用的高檔跑輪，便於移動，冷卻部分是自動循環水裝置，底部設有大容量的儲水箱，加溫部分是保溫節能型，正常生產可節約用電量的30 % ，其實用電費和燒煤基本持平。This machine adopts a cold plank packing, temperature means that the needle automatically control, heat or reduce the heat to all have a signal beacon manifestation, the electric current electric voltage size switches on to all have a manifestation and automatically feed powder is certainly and soon, spread to move part is the bean that the my plant produce to product the machine appropriation deceleration machine, the electrical engineering is the steel plate adjustable type, the machine bottom use of upscale run a round, easy to ambulation, heat part is a heat preservation economy energy type, normal production can economy in electricity quantity of 30 %, in fact use electricity charges and burn coal basic hold even
本機採用冷板包裝，溫度是指針自動控溫，加溫或降溫均有信號燈顯示，電流電壓大小開機均有顯示，自動喂粉是定速，傳動部分是本廠生產的豆製品機械專用減速機，電機架是鋼板可調型，機器底部用的高檔跑輪，便於移動，加溫部分是保溫節能型，正常生產可節約用電量的30 % ，其實用電費和燒煤基本持平。So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。分享友人