預解調器 的英文怎麼說

中文拼音 [jiědiào]
預解調器 英文
predemodulator
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 解動詞(解送) send under guard
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 解調器 : demodulator; rectifier; redresser; detuner
  1. Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images

    本論文在設計圖像監控系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現,給出了圖像監控系統中的終端接入和框架設計、雲臺碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主,機為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮編碼技術、數字圖像傳輸技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監控系統要求監控人員過多地干、智能化程度低的缺陷,並總結了其特點和優勢。
  2. As we have introduced a multilevel decision method with discriminator detection to improve the error rate performance, the deducing and analyzing for this method are present in this article. the theoretical error rate and the monte carlo simulation result are showed in figure to compare the system error rate performance affected by different premodulation filter

    在系統誤碼模擬中引入了一種有助於改善誤碼性能的鑒頻加多電平判決的調方法,文中對此方法也進行了詳細的推導和分析,並給出根據此方法計算出的誤碼理論值,結合系統誤碼性能的蒙特卡羅模擬值,對比分析各種調濾波對系統誤碼性能的影響。
  3. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,析的研究了電子束在相對論速調管放大調制腔和漂移管中的群聚;用粒子波互作用的場方法導出了在輻射腔中群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  4. In neuro - element pid and psd controllers if the time delay of the controlled object, is too long, the overshoot of the system will be too high and system even will be unstable. in order to solve this problem, the neuro controller is combined with the smith - predictor. thus the influence of time - delay to control system is overcome effectively

    單神經元pid和psd控制演算法在被控對象存在大時滯時會產生超調,甚至使系統失穩,為了決這一問題,本文最後將smith引入了單神經元控制中,從而很好地決了時滯對系統的影響。
  5. Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia

    褪黑激素的化學結構非常簡單,但是在人體內卻具有舉足輕重的作用:它監視著體內各種腺體官的運作,指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮性,使得血壓下降心跳速率減慢降低心臟負擔它能夠減輕精神壓力提高睡眠品質調節生物時鐘緩時差效應,而且具有加強免疫功能抵抗細菌病毒及防癌癥老年癡呆癥等多種疾病的功效。
  6. The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential

    Dms網路分析的基本軟體有:網路結線分析、潮流計算、狀態估計、負荷報、短路電流計算、電壓無功優化等。派生軟體有:負荷控制、電容優化配置、變壓與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具,通過它可以了和掌握當前的運行狀態,從而挖掘安全和經濟方面的巨大潛力。
  7. By default, it is configured to invoke nsgmls, part of sp, an sgml parser originally written by james clark

    設情況下,它被配置成調用nsgmls ( sp的一部分) , sp是最初由james clark編寫的sgml
  8. This method does not need an upper supervision level which is widely used in traditional area traffic control. it is a potentially instructive urban area traffic control method which needs no traffic flow model and only limited communication volume among different traffic intersection controllers. 3

    基於分散式q學習的區域交通協調控制擺脫了一般的帶上層監控的遞階控制模式,無需先了交通流模型,各交叉路口控制之間所需的通信量很少,是一種具有一定潛力的城市交叉路口組協調控制方式。
  9. The problem of control benchmark is solved by the use of hpop, and the problem of constant thrust control is solved by h control theory and pwpf modulator

    本文利用衛星精密軌道報的結果作為基準軌道,決了控制基準的問題;利用h _控制理論和pwpf調決了軌控小發動機常推力控制問題。
  10. Because of forecasting reactive load at first, it can detect the change of voltage at low - voltage bus from the change of reactive load or the change of voltage at high - voltage bus, then it can decide that adjusting transformer tap or capacitor switch, and avoid blindly and deficient adjusting. on the condition the reactive power is balanced and voltage qualified, it can realize the switching times of loaded taps and capacitors being efficiently decreased

    由於測出無功負荷,提前了了無功功率變化的趨勢,可以有助於判定低壓母線電壓變化是由無功負荷變化引起還是由高壓側電壓變化引起,從而適時決定是調有載調壓變壓分接頭還是投切電容,以此避免了盲目和不充分的調節,實現在保證無功基本平衡和電壓合格率的前提下,減少有載調壓變壓分接頭的調節和並聯電容組的投切次數。
  11. This filter is a combination of adaptive ud decomposition kalman filter with quad method. it use quad method to detect and correct the gross errors in observations, use ud decomposition technique to improve computation precision and overcome the instability of filter caused by instability of values, when divergence of kalman filter had been detected, an adaptive filter is employed to adjust the prediction error covariance matrix

    該法用擬準檢定法準確地探測和修正量測方程中存在的粗差;用ud分演算法改進了計算精度,克服了由於數值不穩定帶來濾波的不穩定性;當判斷濾波發散后,則啟用sage自適應濾波調測誤差方差,以克服濾波的發散。
  12. The deficient mill output has been finally resolved by two renovation programs for the classifier and the central air pipe of d - 12 - d double - in and double - out mill, one of the biggest pulverizes ; higher ah inlet gas temperature and exhaust gas temperature also rectified by refractory modification and the tuning of sootblower " s running mode

    對世界最大的d - 12 - d雙進雙出磨煤機的分離和磨煤機中心風管等部位通過兩種方案的改造試驗最終決了該磨煤機的出力不足問題;通過對衛燃帶改造和調整吹灰的運行方式決了空入口煙溫和排煙溫度高的問題。
  13. Signal forming and different demodulation of gmsk baseband signal are mainly discussed in the dissertation. gauss filter, phase integral, sin table, matched filter, calculate angle, bit - synchronization 、 output filter 、 a / d 、 d / a and etc of gmsk baseband signal are carefully studied through software emulation in systemview environment. the modulation and demodulation of gmsk baseband signal are carried out by the way of using tms320vc549 of ti to integrate software and hardware

    本文重點討論了gmsk基帶信號的形成以及gmsk基帶信號的差分調,系統在systemview的環境下進行了軟體模擬,通過對系統的模擬工作,仔細的研究了gmsk基帶信號的高斯濾波、相位積分、 sin查表、匹配濾波、相角計算、位同步、幀同步、輸出濾波、 a / d和d / a等。
  14. With the example of 40kva vscf power inverter, we have carried out the solution and the simulation of shepwm control, and we have also achieved the whole set of this control strategy

    結合40kva變速恆頻電源的變換應用實例,進行了shepwm的求和模擬,給出了開關點置控制實現變換調壓的全套決方案。
  15. In order to solve the problem of voltage regulating, the control strategy of select harmonics elimination pulse width modulation ( shepwm ) was introduced. at the same time it was combined with optimum spwm, the range of voltage regulating was expended and the dc utilizable efficiency was improved

    決變換調壓問題,對基於選擇諧波消除的shepwm控制方案進行了研究,並將此種控制與開關點置最優spwm相結合,進一步擴展系統調壓范圍,提高直流電壓利用率。
  16. To restrain the time - delay of the startup phase of the temperature and improve the response speed, the fuzzy - pi controller with predictive control is adopted to the startup phase. this control mode can decrease the system overshoot and ensure the system rapidity. the predictive control can restrain the time - delay of the controlled object

    為了決溫度啟動過程中的時間滯后,改善系統的響應速度,採用單獨的溫度啟動控制策略,啟動階段採用帶測的模糊- pi控制,在保證系統的快速性的基礎上盡量減少系統超調,同時對控制對象的時間滯後有抑制作用。
  17. According to the respective performance of genetic algorithm and simulated annealing algorithm, we proposed a new algorithm for sensor scheduling of early warning satellite, i. e., genetic and simulated annealing algorithm ( gasa )

    結合遺傳演算法和模擬退火演算法的特點,提出了一種新的決導彈警衛星傳感調度問題的遺傳模擬退火演算法( gasa ) 。
  18. To deal with the self - regulation problem coming from the accidental fault of the measurement sensor, the hot - deformation model of air preheater built by elman neural network is used to replace the measurement function of gap sensor

    為了決測量傳感意外損壞后的自動調節問題,我們使用elman動態神經網路建立了空氣的熱變形模型,用來在故障情況下代替間隙傳感的測量功能。
  19. The duty of real - time system is to provide time constraint guarantees for the real - time applications, in other words, it make the applications access to the resources they need timely. many works have devoted into individual resource scheduling ( i. e. processor capability, disk bandwidth and network bandwidth ). obtaining simultaneous and timely access to multiple resource is known to be a np - complete problem

    大量的研究工作集中在單純的網路帶寬、磁盤帶寬和處理資源各自的調度優化上,而在同一個節點上同時使用多個資源的是比較復雜np完全問題,本文分析了一種在資源留系統( resourcekernel )中決該問題的途徑,聯合調度服務( css ) ,並對其中的關鍵問題? ?伸縮量分配( slacksharing )作出了改進,提出了一種基於當前系統負荷的分配演算法。
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