電抗性信號 的英文怎麼說

中文拼音 [diànkàngxìngxìnháo]
電抗性信號 英文
reactive signal
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. Voltage reference is a vital basic module which is widely adopted in analog circuits ( mixed signal circuits ). its temperature stability and antinoise capability influence the precision and performance of the whole system

    電壓基準源是模擬電路（混合信號電路）設計中廣泛採用的一個關鍵的基本模塊，它的溫度穩定性以及抗噪性能影響著整個電路系統的精度和性能。
  2. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    第二章介紹系統的數據採集，該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計，其中，主要介紹了ads1251晶元的工作原理和應用， photomos技術在多路信號切換采樣中的應用，以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計，通過這些設計使得系統具有很好的穩定性和抗干擾性。
  3. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  4. Plug : round shape 10pin, code no. 010 ; aami tpu innocuous cable is no harmful for the body ; special metal conductor make the using life increase 3 - 5 times ; high performance double shield cable ; gild terminal ensure connecting ; imported snap fastener ensure the longer uselife ; add the special anlistatig layer to protect the higher performance. junction box : 1 to 3 cables ; advantage technologies to avoid broken

    插頭:圓頭10pin 010 aami標準鍍金端子確保連接信號更準確高性能tpu屏蔽電纜加入抗靜電干擾塗層特殊合金導體增加線纜壽命3 - 5倍分線合:一分三患者端:按扣式
  5. Plug : 17pin, code no. 038 ; tpu innocuous cable is no harmful for the body ; special metal conductor make the using life increase 3 - 5 times ; high performance double shield cable ; gild terminal ensure connecting ; imported snap fastener ensure the longer uselife ; add the special anlistatig layer to protect the higher performance. junction box : 1 to 5 cables ; advantage technologies to avoid broken

    插頭: 17pin 038 iec標準:紅r ，黃l ，白c ，黑n ，綠f鍍金端子確保連接信號更準確高性能tpu屏蔽電纜加入抗靜電干擾塗層特殊導體增加線纜壽命3 - 5倍分線合:一分五患者端:按扣式
  6. The product is suitable to be used to transmit auto - controlled signal for chemical industry, power industry, gasengineering, petro - chemical industry and mines where explosive risks or the places requiring higher explosion - proof safety exist. it has excellent shielding and anti - disturbance performances

    本產品適用於化工、電力、煤氣工程、石化、礦山等存在爆炸危險的場合及其它防爆安全要求較高的場合，傳輸自動控制信號電纜具有優良的屏蔽性和抗干擾性能。
  7. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  8. Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance

    選取chaari小波為母小波，利用其特殊的帶通特性，對在公共連接點（ pcc ）采樣得到的電壓，電流畸變波形進行同步分層， 「突出」信號的畸變部分，提高了被分析信號的「信噪比」 ，以利於諧波阻抗估計準確度的提高。
  9. Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line

    但是，電力線通信通道存在間歇性噪聲大、阻抗隨負載變化大、信號衰減大等缺點，嚴重製約了它的有效利用。
  10. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  11. The basic principles still apply : ground impedance must be as low as possible, high level and low level signals must be separated so that they do not interfere with each other, and capacitance and mutual inductance coupling must be avoided

    前文提到的原理仍然適用：地線阻抗要盡量小，大功率信號和微弱信號要分開布置以避免串擾，一定要避免電容性耦合和電場耦合。
  12. But existing electroencephalogram has many shortcomings, such as expensiveness, weak anti - disturbance ability, single detecting function. so the new type of monitoring system is needed

    在腦電信號研究中，現有的腦電圖儀適應性、抗干擾能力及其功能難以滿足醫療機構的要求，因而需要研製新型的能在常規環境下使用的腦電信號智能監測系統。
  13. The results show that the interference components up 1mhz are not mitigated in the equipment, the design should be improved. the hardware and software developed in this paper are useful for characterizing the transient electromagnetic environment of high voltage substations

    利用該系統分析了某繼電保護設備pt端信號採集系統的抗干擾特性，結果表明，該繼電保護設備的抗干擾網路對1mhz以上高頻干擾成分的抑制作用較小，建議改進抗干擾網路的設計。
  14. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  15. This thesis probes into design of microcomputer system taking single chip microcomputer as central, anti - interference, security segregate and design of interface circuit etc. furthermore, the option to cycle of sampling various frequencies examine signals is also analyzed and it was utilized in the examine system. thus, the dependability and stability problem of the microcomputer examine system of hydraulic resistance testbed have been solved better, make this test a modern techniques and practibility is good

    本文在以單片機為核心的微機系統的設計、介面電路設計、抗干擾技術及安全隔離技術等方面進行了較深入的研究，分析了不同頻率檢測信號采樣周期的選擇，並在檢測系統中得到了應用，較好地解決了水阻試驗臺微機檢測系統的可靠性和穩定性問題，使得該試驗臺技術先進、實用性好。
  16. Qpsk modulation for digital television using advanced digital signal processing technology, full compliance with dvb - s standard, the receiving end can be directly used for receiving digital satellite receiver. it must not only be able to achieve a higher utilization of the spectrum, with a strong anti - jamming and high performance. fm microwave equipment and simulation and will be good compatibility

    Qpsk數字電視調制器採用了先進的數字信號處理技術，完全符合dvb - s標準，接收端可直接用數字衛星接收機進行接收。它不但能取得較高的頻譜利用率，具有很強的抗干擾性和較高的性能價格比，而且和模擬fm微波設備也能很好的兼容。
  17. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術，可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號，具有較高的整體性能。
  18. Efforts are concentrated on how to improve the performances of the synchronous and velocity sensor of high speed rotating mirror camera, creative ideas in this paper are displayed as follows. ( 1 ) high speed rotating mirror camera signal is processed by means of opto - electronic system. the advantages of the opto - electronic system, such as good emi resistance and fast processing ability, are employed to optimize the design

    本文的工作就是圍繞如何提高高速轉鏡相機同步與轉速傳感器的性能開展的，主要工作內容和創新點如下: （ 1 ）利用光電系統對高速轉鏡相機同步與速度傳感信號進行處理本文利用光電傳感系統的抗電磁干擾及可高速處理的特性，把高速旋轉狀態下反射鏡的時間參量轉換為光信號，再經過光探測器轉換為電信號。
  19. At last, we analyze the primary disturbance, we adopted some measures to obtain high stability and to enhance the system ' s anti - jamming ability. at the end of the thesis, there are some test results of the system

    又分析了機車內的主要干擾源，並提出了設計中應用到的一些抗干擾措施，如良好接地，信號光電隔離，電容濾波，隔離電源等以增加了系統的工作可靠性。
  20. Digital signal prevails over simulated one, it has a mighty ability to resist interaction in transfer, its store is very convenient, and its circuits are easily integrated

    數字傳輸抗干擾性強、數字存貯方便、數字電路易於集成化，這些都是模擬信號或電路難以達到的優點。
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