步進信號 的英文怎麼說
中文拼音 [bùjìnxìnháo]
步進信號
英文
staircase signal-
The agt mrna hybridization signals were localized dispersively in the myocytes of left ventricle. while in the arterial wall, the intense signals were not restricted to the media. they were also found in adventitia and even in perivascular fat cells
原位雜交定位研究也進一步確認了agtinrna在心血管組織的表達：在左室心肌其彌散分佈於心肌細胞；在血管壁不僅平滑肌層有較強的雜交信號，在外膜甚至周圍脂肪細胞也有表達。Subsequently. it has been found in all normal cells examined so far except the kidney cells. tctp homologues among the species are highly conserved, which suggest that the protein might have an essential function in cell. lt was reported that tctp caused the release of histamine from ige + basophils and was capable of various functions including calcium binding. metal homeostasis, intracellular signaling and reacting with antimalarial drugs
從植物到動物的各類細胞中， tctp都有廣泛的高度同源性和高度保守性，提示tctp在細胞中有重要的生物學功能。雖然報道認為tctp具有鈣結合、金屬內環境穩定、細胞內信號傳導、作為ige依賴性組胺釋放因子等功能，但其具體生物學功能尚待進一步研究闡明。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 。More and more fluorescent signal can be collected with the pcr reaction carry on. the method is more automatized and much less time consumption ( only 3 hours from nucleotide hybridization capture to result found )
這樣利用熒光信號積累可以實時監測整個pcr進程，實現了pcr擴增和核酸雜交以及熒光電信號放大檢測同步進行的自動化檢測技術；實時熒光pcr技術具有更大的優越性： l ）不需要pcr后處理，The main content of this article are the theories of fuzzy control system and data acquisition system for micro aerial vehicle. we can let a aeroplane model aviate with some sensors and one microcontroller, at the same time, the remote control is used. when the model make a landing, we could get some useful data from the model
在信號採集系統的基礎上，對微型飛行器模糊控制系統的具體實現進行了探討，並分析了單片機與pc機串列通信的方法，進一步強調信號採集系統與模糊控制系統之間綜合設計的合理性和必要性。This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal
Chirp子脈沖頻率步進信號兼有頻率步進信號和線性調頻信號的優點，是一種高距離分辨力信號。Moreover, the signal processing method of high range resolution based on inverse discrete fourier transform is analyzed. the synthetic high range resolution of the several scatters is simulated
此外，本文還闡述了頻率步進信號的逆傅立葉變換合成距離高分辨的處理方法，並對多散射點目標的合成距離高分辨效果進行了計算機模擬。Digitalizing includes modulation mode digitalized and equipment all digitalized. aiming at this characteristic, this thesis research in carrier synchronization and signal demodulation of new generation space tt & c system
數字化包括調制方式的數字化和設備的全數字化，本文就結合這一特點對新一代航天測控系統中載波同步和信號解調進行了研究。Hereby, this dissertation present system project with chirp - subpulse stepped frequency signal in
據此，提出了chirp子脈沖頻率步進信號在低空動目標檢測應用中的系統實現方案。This dissertation analyses problems of profile aliasing and redundance in chirp - subpulse stepped frequency signal, points out that these problems are resulted from different parameters of chirp - subpulse stepped frequency signal
還對chirp子脈沖頻率步進信號中距離像的混疊和冗餘問題進行了分析，指出這些現象是chirp子脈沖頻率步進信號對不同參數的選取引起的。The processing of these hybrid signals is different from the single modulation signal, that is pulse compression twice. with respect to the hybrid signals including sf, the high range resolution is analysis, and the method for reducing sidelobe level is
對于與頻率步進信號復合的組合脈壓信號，分析了它們的合成高距離分辨效果，並對其距離旁瓣的抑制方法進行了探討。This dissertation summarizes the method to select parameters of chirp - subpulse stepped frequency signal, presents a method to resolve profile aliasing and redundance in chirp - subpulse stepped frequency signal by the target pick - up algorithm and selecting parameters
文中總結了chirp子脈沖頻率步進信號參數選取的方法，提出了採用參數選取和目標抽取相結合的方法來解決chirp子脈沖頻率步進信號中距離像的混疊和冗餘問題。First, this dissertation analyses the waveform of chirp - subpulse stepped frequency signal, studies and simulates the ambiguity characteristics, the spectrum structure and the basic process to obtain high resolution range profiles, and discuss this signal ’ s high range resolution characteristic and wide spectrum characteristic
首先，本文對chirp子脈沖頻率步進信號進行了波形分析，研究了chirp子脈沖頻率步進信號的模糊特性、頻譜結構以及合成高分辨距離像的基本過程，討論了chirp子脈沖頻率步進信號的高距離分辨力和寬帶頻譜特性。Secondly, based on the analysis and simulations of the doppler time - shift for chirp - subpulse stepped frequency signal, this dissertation analyses the velocity compensation method for moving targets in chirp - subpulse stepped frequency signal, and presents a method for compensation of targets ’ velocity base on the least burst error rule
其次，本文對chirp子脈沖頻率步進信號的多普勒效應進行了分析和模擬，在此基礎上，分析了對其進行運動補償的思路，提出了採用最小脈組誤差準則進行運動補償的方法。The main work is given as follows : the stepped - frequency waveform synthesizing the wideband signal, the synthetic range profile ( srp ) by ifft, the range resolution of stepped - frequency waveform, the effect of the radial velocity on the srp, the radial velocity compensation, ambiguity function, waveform design and stepped frequency sar imaging and so on
包括：頻率步進波形合成超寬帶信號分析， ifft方法獲得目標一維距離像與距離解析度分析，徑向速度對目標距離像的影響、速度補償、頻率步進信號的模糊函數分析，以及頻率步進波形照射下的合成孔徑雷達成像、波形設計與系統設計。This dissertation analyses the characteristics of chirp - subpulse stepped frequency signal, and analyses and resolves kinds of problems in chirp - subpulse stepped frequency signal. this dissertation studies the use of chirp - subpulse stepped frequency signal in low altitude moving target, and studies and provides theoretical basis for practical application of chirp - subpulse stepped frequency signal and processing techniques
本文對chirp子脈沖頻率步進信號特性進行了研究，並對研究過程中出現的各種問題進行了分析並提出了解決方案;同時，對chirp子脈沖頻率步進信號在低空動目標檢測領域的應用進行了研究，為chirp子脈沖頻率步進信號的實際應用提供了理論依據。Thirdly, this dissertation analyses the echo simulation of chirp - subpulse stepped frequency signal and chirp signal. and the detection capability of chirp - subpulse stepped frequency signal and chirp signal in low altitude moving target is compared. the results show that chirp - subpulse stepped frequency is better
再次，本文分析了chirp子脈沖頻率步進信號和chirp信號的回波模擬問題，在此基礎上，對chirp子脈沖頻率步進信號和chirp信號對低空動目標檢測的性能進行了比較，結果顯示chirp子脈沖頻率步進信號具有較好的性能。It can protect the data without electricity. in order to process the collecting signal further, the large - size bearing trouble diagnosis instrument can calculate effective value and peak value of every area
回轉支承故障檢測分析儀能計算出回轉支承每一個區域（將回轉支承等分成36個區域）振動信號的峰值和有效值，為進一步的信號處理提供參考。Video processing circuit can obviously restrain the main noise, enhance snr and obtain high quality video signal for further signal processing. hardware design and software program of the microprocessor are completed, and system error
視頻處理電路對影響ccd 「像質」的主要噪聲均有明顯的抑制效果，提高了信噪比，為進一步的信號處理提供了高質量的信號。分享友人