波片調制器 的英文怎麼說

中文拼音 [piāndiàozhì]
波片調制器 英文
wave-plate modulator
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 片構詞成分。
  • 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...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關件進行斬從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單機80c196為核心的微機控。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控及釋放容量的計算。
  2. In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail

    全文分析了線性調頻信號( lfm ) ,非線性調頻信號( nlfm )的頻域脈沖壓縮方法及其旁瓣抑的設計和優化,詳細介紹了脈沖壓縮系統中基於4adsp21160的處理單元和單adsp21160和fpga組成的介面單元的軟體設計。
  3. Voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    採用單機控雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦;再用單機組成反饋控系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源
  4. Abstract : voltage segment network constituted by electron switch of bta and controlled by single chip microcomputer constitutes a new fast electronic regulator. for bta cross zero touch off, sine wave which is exported is integrity. a new way to generate stable ac current is found with feed back control system by single chip microcomputer. so a new high power ac current regulator is developed

    文摘:採用單機控雙向可控硅作為電子開關所組成的電壓分節網路,組成新穎快速的電子調;由於雙向可控硅過零觸發,所以其輸出是不失真的完整正弦;再用單機組成反饋控系統,從而找到了交流穩流的新方法,研製出一個大功率交流穩流電源
  5. And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver

    論文主要的改進和創新有: 1 、設計了適用於2 . 5gbps基帶銅纜收發系統上可調的模擬均衡電路; 2 、提出了一種新的適用於千兆以太網基帶銅纜收發系統的自適應均衡結構; 3 、設計了甚高頻自動增益控放大; 4 、設計了一種適用於千兆以太網基帶銅纜接收均衡的自適應甚高頻連續時間gm - c二階帶通濾
  6. 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技術對濾系統的要求,根據濾理論分析了巴特沃思型濾的逼近原理並設計了合適的濾電路; ( 3 )用調調晶元sc1128和自行設計的濾加之輔助外圍電路,構造出低壓電力線載通信系統,並採用atmel公司的單機設計了接收和發射電路的微控; ( 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作用。
  7. With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used

    實驗方面,利用實驗室現有條件,在鈮酸鋰晶上以苯甲酸為質子源,用液相質子交換法製作了條形導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調,最後進行封裝。
  8. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬恆流驅動技術,按照頂層設計思想,採用先進的專用細分控電路和功能強大的80c196kc單機來組建系統構架,設計了單機最小系統、多功能i o介面電路、繼電切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控、細分方切換控,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  9. In the thesis, based on design and implementation of the two signal processing system of different requirement, multi - dsp processor structure, dsp - pci interface, system control logic, pci device driver program, user application program are researched. the main content is list as follows : 1 ) according to the lfmcw radar signal processing algorithm, a signal processing system based on pc104 - plus bus is developed

    本文通過對以上兩種雷達信號處理機的設計開發過程,研究了採用多dsp信號處理組建并行處理模塊實現信號處理演算法的方法,利用pci總線實現處理機數據傳輸介面,設備驅動程序和控界面軟體開發,實現信號處理機數據傳輸控等幾個方面的內容,主要工作如下: 1 )針對線性調頻連續雷達信號處理演算法,完成了基於pc104 - plus總線的嵌入式信號處理板的設計、製作以及調試。
  10. So it becomes the most competitive new type of gyroscope. the interference fog is in the application process. the resonance fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide

    與干涉式光纖陀螺相比,為達到同樣的靈敏度,諧振式光學陀螺需要的光纖或導長度要短幾十倍,並可以進一步實現將環形腔、輸入輸出光路、調等集成在單平面導上,特別適合於研製微型光學陀螺。
  11. The resonation fog needs shorter fiber or waveguide to realize the same sensitivity, comparing with the interference fog. it can realize integration in silicon planar waveguide module and integration of ring cavity, input and output optical circuits and modulator in single chip of planar waveguide. it fits the rmog very much, which stands for the trend of miniaturization of gyroscope

    干涉式光纖陀螺已經進入實用化階段,與干涉式光纖陀螺相比,達到同樣的靈敏度,諧振式光學陀螺需要的光纖或導長度要短得多,可以實現將環形腔、輸入輸出光路、調等在單平面導上的集成,特別適合於微型光學陀螺( rmog ) ,代表將來陀螺小型化的發展趨勢。
  12. With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment

    利用晶閘管的觸發導通特性,用單機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦形供負載使用,可以單獨做成一臺控或者作為一個控電路板用於需要電功率和轉速調節的空調、機床以及各類儀設備中。
  13. To show the designing and analyzing process of the control system, the article mainly discussed two parts. one is the power circuit part, which includes designing of the output fiher and the power transformer for the system, and also the way for igbt controlling and protecting. the other is control system for the inverter, which includes the way of producing spwm wave using microprocessor, the hard ware system of the inverter and the other assistant circuits

    文中重點從兩個方面分析了逆變電源控裝置的工作原理和系統設計,包括逆變電源輸出濾的設計、逆變電源變壓的設計、 igbt的控保護等,用單機通過軟體編程生成spwm調的方法、控硬體電路組成以及其它附屬電路的開發設計等。
  14. It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer

    紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的振蕩由ne555構成,它可對串列口輸出信號進行調,一體化的紅外接收頭對紅外信號進行解調、濾和整形,再送單機處理。
  15. It is the first time that driving chip used by pdp is applied to the fed panel. by adopting the new ic and the novel driving method, the developed grey scale modulator achieve high flexbility, stability and high integration. the circuit system includes cyclonetm fpga from altera and stv7610 from st microelectronic. with the capability of generating two kinds of modulating waveform, it has the advantages of flexible configuration, high display - quality, high integration and low cost. fpga design is based on the quartus platform. data transforming and the system controlling are achieved by using single fpga

    基於altera公司cyclone系列fpga和st公司stv7610驅動晶元設計的fed顯示的灰度調電路系統可以支持兩種調形,具有配置靈活,顯示性能好等優點,其集成度為原有系統的三倍,且造價更低廉;基於quartusii軟體平臺進行了fpga的系統開發與優化,採用單fpga完成了全部的數據轉換和系統控功能, fpga的可編程特性使系統的設計具有充分的靈活性和可擴展性。
  16. In this dissertation, a boa - type waveguide optic switch with double - heterostructure gaas / gaalas has been researched. gaas - based integrated optical devices have good temperature, good anti - radiation and optical - transmission characteristics, and also have wide transparent range of wavelength. they can also be integrated on a chip with optical active devices and electronic devices, such as semiconductor laser, optical modulation, optical amplifier, pin, and so on

    基於gaas材料的集成光學件不僅具有良好的光傳輸特性、溫度特性、抗輻射能力和其較寬的透明長范圍,還有望進一步實現晶元與光源、光調、光探測和半導體光放大等其它光電件以及集成電路的單集成;採用gaas gaalas雙異質結材料製作的光開關可以得到較低的開關電壓,而且採用gaas gaalas異質結材料的光傳輸損耗很小。
  17. In this paper they study a position - detecting system based on microprocessor and psd ( position sensitive detector ). the method is as follows : when the ac - signal from psd which is illuminated by modulated light source passes through an active band - pass analog filter, it filters the ac signal which represents the object light source. then the dc - converter circuit transforms it into dc - signal which is used to calculate the position

    這一系統採用的方法是通過對位置敏感探測psd受到調目標光源照射后輸出的模擬交流信號進行有源帶通濾,提取出代表目標光源的調頻率成份,再將該信號轉變為用來參與位置解算的直流信號,然後選用單機組成硬體電路,對直流信號進行採集處理並與計算機建立通信,把數據送入計算機進行位置解算,分析判別目標光源和psd件的相對位置。
  18. We introduced particularly a series of methods for improving reliability, disturbance resistance, scanning scope and location precision, such as : using modulate laser, designing bandpass filter, zooming out signals and using a special circuit to get rid of disturbances. after that, the effective signals enter into the spring - circuit and touch off it, then the data register lock the codes, so the codes are read into single chip and are sent to the computer for the location. finally, many experiments about disturbance resistance, scanning scope and location precision have been done

    為了提高導航定位系統的可靠性、抗干擾性、掃描范圍及定位精度,使其具有良好的穩定性,而採取了一系列技術措施,包括:採用調激光信號;設計帶通濾和信號的整形處理電路;採用門限技術剔除干擾;並採用單機系統對採集到的各類信號進行綜合處理與管理;建立了基於合作路標的位置計算方法和數學模型,實時通過串列通訊送到上位機,以便上位機對數據進行處理,從而進行定位計算。
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