相位產生器 的英文怎麼說

中文拼音 [xiāngwèichǎnshēng]
相位產生器 英文
phase generator
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ動詞1 (人或動物的幼體從母體中分離出來) give birth to; be delivered of; breed 2 (創造財富; 生...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 相位 : phase position; phase
  1. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼線圈內由於轉子渦動時變化的磁場而的波動電流與轉子移間的差是阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼的阻尼效應。
  2. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發了革命性的變化,利用自調制和負群速度色散結合的類孤子方式,人們已經在鈦寶石鎖模激光上得到了脈寬只有幾個飛秒的光脈沖。
  3. They conclude that such dramatic technological innovations as the spinning jenny, the sewing machine, the typewriter, and the vacuum cleaner have not resulted in equally dramatic social changes in women ' s economic position or in the prevailing evaluation of women ' s work

    他們得出結論,這些戲劇性的技術創新,比如紡織機、縫紉機、打字機、以及真空吸塵,並沒有同的戲劇性的社會變化,在婦女的經濟地方面,或者在普遍的對婦女工作的評價方面。
  4. The field of video signal processing is now undergoing a digital reform. the digital processing technique is clearly expatiated in this paper, such as a / d convert, anti - alias filter, clamp control, gain control, pll, synchronization circuit, color decoder, comb filters

    本文詳細敘述了視頻圖像的數字處理方法,重點介紹了視頻信號數字化技術、抗混疊濾波、箝、增益控制、鎖技術、同步時鐘、電視信號亮色分離、彩色解碼等技術,這些關鍵技術為視頻信號的數字化處理提供了重要的基礎。
  5. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光延遲是由雙折射材料製成的,由於材料的雙折射率同波長密切關,使其延遲量也同波長具有嚴格的一一對應關系(即材料的色散現象) ,因而常規延遲片多用於單一波長,不同波長之間使用不可兼顧,這在使用中帶來諸多的不便。
  6. In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity

    為解決一般三環減速振動大、溫升高和轉臂軸承使用壽命短等中迫切需要解決的問題,依據功率分流、彈性環均載、同步帶緩沖及吸振和機構平衡原理,設計出了一種具有圓弧齒同步帶傳動的完全平衡、均載減振,偏心差為180的新型三環減速
  7. When signals pass high power amplifier, they would be distorted in amplitude and phase, leading to spectrum spread and distortion of in - band signals, both of which would weaken performance of the whole system in turn

    在無線通信中,信號在通過高功率放大時會幅度和失真,造成頻譜擴展以及帶內信號畸變,導致整個系統性能的降低。
  8. The instrument can detect all kinds of steam, diesel engine start - up performance, high - voltage ignition performance, fuel injection performance, rechargeable performance, dynamic performance, service gas phase, abnormal sound engine vibration analysis more than 30 kinds of technical parameters, and analyze the causes for the failure, the detection process, may at any time and waveform display various technical parameters and results can be random print, the machines are more than 100 kinds of domestic and foreign memory engine technical parameters, it is rich in content and the test results can be readily compared

    該儀可檢測各種汽、柴油發動機的啟動性能、高壓點火性能、燃油噴射性能、充電性能、動力性能、配氣、發動機異響震動分析等30餘種技術參數,並分析故障的原因、檢測過程中,可隨時顯示各種波形及技術參數和結果並可隨機列印,該儀內存有一百多種國內外發動機技術參數,內容十分豐富,隨時可以與檢測結果對比。
  9. Based on the dds technology, the waveform generator first stored data in high speed ram, then used dac to synthesize waveform by the data. many waveforms could then be generated easily. besides, the wave generator could get high performance on frequence resolution and stability, phase continuum, relative bandwidth etc. the dds technology was widely used in frequence synthesis field

    基於dds技術的波形發以高速存儲作為波形數據查找表、通過高速d / a轉換對存儲的波形進行合成,可以靈活多種波形,同時具有頻率解析度高、頻率穩定性好、頻率轉換快、連續性好以及對帶寬較寬等特點。
  10. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學論文針對這種前級移全橋軟開關周波變流型三高頻鏈逆變結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移調節高頻脈沖寬度和等效p姍調壓協調控制逆變輸出電壓,在滿足輸出電壓條件下使諧波最小。
  11. It offers a deep study into the relationship between the new military transformation and the military personnel training. it points out three obvious gaps : the comprehensive quality of the military personnel under current personnel training of military academies cannot meet the requirements of all - dimensional wars with combined offense and defense under the conditions of the new military transformation ; the working ability of the military personnel cannot meet the needs of the weaponry developing trend under the conditions of the new military transformation ; and the development orientation of the military personnel cannot suit the needs of future military informationization drive. then according to the internal requirements for new knowledge, technology, quality and ability of military personnel by the developing trend of the new military transformation, the thesis offers an all - round analysis of the characteristics of the new - type military personnel under the conditions of the new military transformation

    本文從新軍事變革的背景、成因、特徵和發展趨勢出發,深入研究了新軍事變革與軍事人才培養的關系,提出了當前軍隊院校人才培養中存在著的軍隊人才綜合素質與新軍事變革條件下全方、多攻防作戰需要不適應,軍事人才任職能力與新軍事變革條件下武裝備發展趨勢不適應,軍事人才的目標發展定與未來軍隊信息化建設要求不適應的三個明顯差距,並根據新軍事變革的發展趨勢對軍事人才掌握新知識、新技術以及素質能力的內在要求,全面分析了新軍事變革條件下新型軍事人才的特徵模型,深刻揭示了適應新軍事變革需要的新型高素質軍事人才的知識能力素質是具備綜合性、復合性、全面性,創新性、發展性、智能性、開放性、應用性八個方面特徵的立體化樹狀結構。
  12. The viewing ability was found to be acquired through direct contact by bringing the sensitive part of the body in direct contact with the objects, remote viewing by seeing objects through the air or a medium from a distance without coming in direct contact with the objects, or relay perception by receiving the visual signals from a blood relative or another psychic who actually sees the object

    其辨認方式有觸感使被測物體與這些官的敏感部接觸而的視覺,遙感不直接接觸被測物,穿越空間或媒介進行透視,傳感從有血緣關系的親屬或另一特異功能者接收視覺信息等,統稱為非眼視覺現象。
  13. The scheme of this project is : firstly, completing a automobile obverse impact dummy and preparing a special digital signal analysis system ( including sensors, a signal pretreatment, a signal collection, a digital signal process software ) ; secondly, this dummy will be used in impacting experiments to check its signals response and bio - response characteristic through comparing sensors in difference parts of the dummy that are suffered one impact ; thirdly, the bio - mechanics characteristic of the dummy will be demonstrated by nationality automobile safety testing center

    該課題的設計思路為:研製汽車正面碰撞假人一個;設計專用的數字信號分析系統一套(包括傳感、信號預處理、信號採集和數字信號處理軟體) ;將假人作簡易碰撞試驗以檢驗是否有響應信號,並對不同部的傳感在受到同沖擊的情況下的響應信號進行對比以驗證假人的物力學響應特性;假人的物力學特性由國家汽車檢驗中心進行標定試驗來論證。
  14. Pass the research and the test datas of this article, the major work done can be summarized as follows : 1. provide the detailed test data, analyze the existing synchronous controler some shortage, and produce to suffer from the hidden danger

    通過本課題的研究和實際數據測試,研製工作獲得如下結果: 1 .提供詳盡的測試數據,分析現有的tri - tek 704d電流/幅值同步控制存在的一些不足之處,以及由此對並聯雙振動臺系統所帶來的安全隱患。
  15. 7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented

    七、採用已建立的空間調制環路徑向剪切干涉儀及其波前重建演算法,和調制持性已知的兩塊液晶空間光調制,創建了一套用於模擬任意畸變波前並加以檢測和反饋控制的自適應光學硬體系統,並通過臺階波前對該系統實現了像素級校準。
  16. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號源電路,以增益檢測ad8302為核心構成檢測電路,以dsp晶元tms320vc5409為核心構成控制與運算電路,以及以at89s52為核心構成外圍介面電路。該測試儀能頻率范圍達100k ~ 100mhz ,功率范圍為- 45dbm ~ + 18dbm的掃頻信號,能對被測網路的頻率特性進行測量,並留有豐富的外圍介面,可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  17. Every unit of the hydrophone is designed to has the same sensitivity - 163db ( 0db = 1rad / upa ) with an ordinary hydrophone

    採用載波( pgc )調制解調方法,實現了光纖水聽信號的穩定輸出。
  18. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成是一種全數字化的頻率合成,由累加、波形rom 、 d a轉換和低通濾波構成, dds技術具有頻率解析度高、頻率切換速度快、頻率切換時連續、輸出噪聲低和可以任意波形等優點。
  19. Lithium niobate phase modulator has been widely used in the fiber communication, fiber sensing and some other areas. in fabricating of the device, some key technologies including the waveguide, v - groove, coupling, packing and the reliability of the device are very important in improving the performance of the device

    鈮酸鋰調制已經廣泛應用於光纖通信、光纖傳感等眾多領域,而在件的過程中,波導製作、 v型槽製作、件耦合封裝及可靠性等幾項關鍵技術對件整體性能的提高至關重要。
  20. Optical phase retarders are not only important optical components in laser technique and polarized light technique fields, but also the basic optical phase modulators that introduce a phase shift between orthogonal and linearly polarized component when light transmittes through them

    延遲,是偏光技術和激光技術領域中極為重要的光學件,也是最基本的光調制。它能使透過它的振動方向互垂直的兩束光波彼此之間一定的差,故稱光延遲
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