相位旋轉器 的英文怎麼說
中文拼音 [xiāngwèixuánzhuǎnqì]
相位旋轉器
英文
phase rotator- 相 : 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...
- 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...
- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 轉 : 轉構詞成分。
- 器 : 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
- 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
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In this paper, a new technique is proposed for rotation, scaling and translation invariant image watermarking based on log - polar mappings and phase - only filtering
該文的研究工作和貢獻是:基於對數極坐標仿射lpm和相位濾波器pof ,提出了一種不受旋轉按比例縮放和位移rst影響的數字圖像水印技術。This algorithm is based on the 16 - fft about square root decomposition, and using the phase revolution unit replaces multiplication, and uses the serial butterfly operation unit. at last, gives the correspond realization measure in fpga
本文根據一種基於平方根分解的16點fft演算法,採用相位旋轉因子取代乘法器,並利用串列流水蝴蝶運算單元給出了一種新的實現演算法,並介紹了其在fpga中相應的實現方法。For the users " convenience, users are allowed to install the encoder anyway. in other words, the range used actually of the encoder is allowed to span its zero point, and the ascending direction of the encoder ' s output and that of the floodgate ' s opening can be identical or not
為了方便用戶的使用,允許用戶將閘位計(即旋轉編碼器)安裝在任意位置,包括閘位計實際使用范圍跨越閘位計零點的情況,閘位計輸出增大的方向與閘門開度增大的方向可以相同,也可以不同。Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device
目前,隨著計算機技術和電子技術的飛速發展, i / o設備介面控制技術領域有了長足進步。其中, pci介面成為主流的微機標準介面,而與操作系統平臺的發展相適應, wdm已成為業界普遍採用的驅動程序模式;同時,在傳感器應用方面,高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者,而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers
在氣門相位測量中,採用光柵位移傳感器和光電軸角編碼器,分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣,輸入計算機,對三路信號加以比較找出氣門的相位關系,從而為設計開發人員、品質控制人員提供可靠的測量參數。The mi peak is mainly attributed to the effect of circumferential anisotropy where the dominating magnetization process varies from domain wall movement to the magnetization rotation
答案:磁場指示器的峰值主要由於,從疇壁位移到磁化旋轉中,不同的主導/顯性磁化過程的圓周各向相異磁場的作用(造成的) 。If your system clock is set to the correct time, the detectors will be shown in proper relation to the stars. they move around the celestial sphere once in 24 hours
如果你的系統時間設置正確,屏保中的探測器與天體位置將與現實中的相符。如果你對著屏保看一天,它們也將在24小時內圍繞天球旋轉一圈。The stirred fluid and beads have multidimensional circulation motion and self - rotation for the stirrer rotation in the grinding chamber of a stirred media mill. high intensity motion is caused by multi - direction displacement of fluid and beads. the powder is comminuted by compression caused by beads gravity and helical turn for rubbing, impacting and shearing
攪拌磨磨筒中,在攪拌器的攪動下,物料與磨介作多維循環運動和自轉運動,從而在磨筒中不斷地上下、左右相互置換位置產生激烈的運動,由磨介重力以及螺旋迴轉產生的擠壓力對物料進行摩擦、沖擊、剪切作用而粉碎。When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting
測量裝置採用了步進電機帶動檢偏器旋轉,運用光柵編碼器測角裝置測量檢偏器的轉動角度,使用光電探測器採集檢偏器在四個方位角度的光強值,根據移相演算法得出波片的相位延遲角。In this proposed algorithm, the phase rotation can be compensated using higher order statistics, nonlinear transform of equalizer outputs, and decision feedback algorithm, the faster convergent speed can be obtained by introducing sign algorithm, and the mse can be reduced via employing decision feedback equalization algorithm
該演算法充分利用高階統計量所包含的相位信息、均衡器輸出信息的非線性變換及判決反饋演算法來補償相位旋轉;利用符號演算法可以減少計算量的特點來加快收斂速度;利用判決反饋濾波器的性能來減小均衡器輸出的均方誤差。For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics, statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed
摘要為了克服多途水聲通道引起信號的相位旋轉及基於高階統計量的線性均衡器( le )收斂后均方誤差大的不足,提出了基於統計特性均衡準則的線性符號判決反饋盲均衡演算法。The common are quarter - wave plate and half - wave plate. fitted with other polarimetric elements, they can realize converting and rotating of polarization states, and modifying of all kinds of light wave
光相位延遲器同其他偏光器件相配合,可以實現光的各種偏振態之間的相互轉換、偏振面的旋轉以及各類光波的調制。Having studied the data tables, we got the relation between optical correlation s / n and distortion parameter ( scale rotation azimuth ) and then constructed the proper rfl, and so the puzzle of distortion of 3d objects in practical opr system is now resolved
從實測數據出發,得出了opr對畸變參數(比例畸變、旋轉畸變、方位角畸變等)的寬容度,並由此構成了與之相適應的參考濾波器庫,從而解決了實用系統中的三維畸變目標問題。By storing a beacon image in aircraft as reference and regarding actual beacon image as the sum of reference image and additive gaussian white noise, the values of rotation and translation for beacon image were calculated according to phase correlation and dft ( discrete fourier transfer )
該方法的原理是在航天器上存儲一幅信標圖像作為參考,把實際信標圖像看成參考信標圖像和附加高斯白噪聲和的形式,基於離散傅里葉變換和相位相關技術對信標的旋轉因子和平移因子進行計算。As initiates release the machines and electrical thought - form associated, the new chakras open in their place allowing for soul to spin the field instead of machines
當提升者釋放機器和相關的電性思想形態時,新脈輪在相應位置打開,從而允許靈魂取代機器而旋轉能量場。分享友人