移位器移相器 的英文怎麼說
中文拼音 [yíwèiqìyíxiāngqì]
移位器移相器
英文
shift unit- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 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...
- 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 : 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...
- 移位 : bit shift
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Choosing y type reflection fiber optic detector, this thesis create a tiny displacement - detecting sensor that is made up of led ( light emitting diode ), fiber optic detector, electric eye, lock - in amplifier, display and other electro circuits
本論文採用y型反射式光纖探頭設計製作了一種微位移測量裝置,它主要由發光二極體、光纖探頭、 、鎖相放大器、顯示器及相關電路組成。The mos dynamic shift registers do not consist of flip-flops, but of inverters.
MOS動態移位寄存器不是用觸發器組成,而是用反相器組成。A novel multi - octave gaas monolithic 5 - bit digital phase shifter
單片五位數字移相器Every phased - array rader needs thousands of phase shifters, which control the phase of radiator elements in the antenna aperture surface to scan beams fast
每部相控陣雷達需要上千個移相器,才能控制天線孔徑面上各輻射單元的相位變化進而實現快速掃描。It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter
它能直接控制和驅動步進電機和直流伺服電機,並可通過控制交流變頻器對交流伺服電機進行控制,而且具有光電編碼器和感應移相器位置反饋信號檢測功能。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。In order to meet the requirement of phase - error and physical dimension, high - pass / low - pass filter phase shifter and solid - structure are applied in the design of if broad - band five - bit digital phase shifter
考慮對相位誤差和物理尺寸的要求,中頻寬帶五位數字移相器採用高通/低通濾波器形式和立體結構進行設計。The key for phased array antennas with good functions is the use of controllable phase shifters. however, phase quantization errors affect the accuracy of phased array antenna beam pointing badly, which is mainly researched here
其中可控數字移相器的使用,是相控陣天線優越性能實現的關鍵,但由此引入的相位量化誤差,嚴重影響了相控陣天線的波束指向精度。This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7
本文對微波數字式移相器的基本理論進行了較深入的研究;綜述了各種微波數字式移相器電路的工作原理,著重對加載線式移相器電路進行了理論分析,並根據計算公式作出一系列相應設計曲線;提出利用軟體ansoftserenade8 . 7所提供的測量數據擬合功能,通過測量s參數來確定pin二極體等效電路參數的新穎實驗方法;利用微波電路設計軟體ansoftserenade8 . 7對6位數字式移相器電路進行模擬、優化設計,做出樣品,並對其性能測試分析,對研製微波數字式移相器具有重要的參考意義。Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm
最後,對加工出的毫米波四位數字移相器進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內,最大相移誤差小於10 ,插入損耗小於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。A selecting method of phase shifters ' digit of phased array radar beam control system
相控陣雷達波控系統移相器位數的選取According to the reciprocal characteristic of dual - mcde reciprocal ferrite phase shifters, the antenna only requires to provide the sa : lle beams of operation between the trtinsmit and receive beams. in addition, 1he phased shifter can operate in various polarizations such as linear polarization or circular polarization, which is adiipted to the development of modern ra ( 1ar technologies
對電掃描相控陣天線來說,雙模互易式鐵氧體移相器的互易特性可使收、發在同一特定波束位置上工作;此外,雙模互易鐵氧體移相器可以在線極化、圓極化等多種極化方式下工作,適應了現代雷達技術的發展。The research of this paper is much practical. this dissertation discusses the work principles of several digital phase shifters respectively, and describes their characteristics. based on this, the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip, incorporating the guideline and the level of process
在此基礎上,結合所給的指標要求和實際的加工工藝水平,採用71的微帶線作為移相器的主線,四位移相位採用了不同的電路形式,針對大移相位相位精度誤差大的缺陷對傳統的反射型移相器電路進行了改善,設計出了毫米波四位數字移相器。All the individual circuits are designed to interface to 50
Cad優化模擬移相器電路,每一位電路的設計介面均為50 。The loaded - line - type, switched - line - type and reflection - type phase shifters are studied in this thesis. considering the defect of loaded - line phase shifter, a new type of switched - line with loaded - line phase shifter is proposed in this thesis. this design not only make advantageous debugging of circuit, but also minimize phase - error in a given frequency band
本文對加載線型、開關線型和反射型移相器進行了分析研究,並針對開關線型移相器的缺陷,提出了一種加載式的開關線型移相器設計方法,不但便於對電路進行調試,也減小了一定帶寬內的相位誤差。Referring to the existed methods and abundant experiments, a new engineering - oriented technique named single - point phase - detecting vibration - resistant method is presented. it uses piezoelectric transition ( pzt ) as its device for phase compensation to guarantee measure precision
當振動引起干涉條紋變化時,控制壓電陶瓷( pzt )移相器向相反方向移相來鎖定干涉條紋相位不變,穩定干涉圖保證測量精度。When the phase is changed, the used phase transformers is voltage - control phase transformer which is changed by phase transformer consist of ordinary operation amplifier consist of ordinary operational amplifier
在相位調整時所運用的移相器是由普通運算發大器構成的移相器改造成的壓控移相器。The phase shifter circuit consists of five digital bits corresponding to differential phase shifts of 180, 90, 45, 22. 5 and 11. 25 cascaded in a linear arrangement. the three lower phase shift circuits are of loaded - line type, in which the 11. 25 phase shift bit use a single loaded - line configuration. the 90 and 180 phase shift bits are of reflection type, using lange coupler to realize the separation between the incident and reflection signals
移相器電路由五位移相電路級聯而成, 11 . 25 、 22 . 5和45移相電路為加載線型,其中11 . 25採用了單加載線形式; 90和180為反射型移相電路,使用蘭格耦合器實現輸入、輸出信號的隔離。According to process rules of the gaas mmic product line, we properly designed the circuit layout. in order to reduce the overall chip size, the transmission lines are folded with sufficient spacing to avoid interline coupling. the lange couplers are also folded to keep the 90 and 180 bits " sizes similar to other phase shift bits " sizes
結合實際mmic工藝線,合理設計移相器電路版圖,折疊微帶線並留出足夠大的線間距,以避免線間寄生耦合的發生,並折疊蘭格耦合器使90和180移相位的尺寸與其它相位的晶元尺寸保持一致。For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm
實測結果表明:中頻寬帶五位數字移相器在60mhz 10mhz頻率范圍內, 32個相位狀態的插入損耗都低於2 . 3db ,幅度不平衡小於0 . 3db ,相位誤差小於3 . 3度,輸入和輸出電壓駐波比都小於1 . 7 。分享友人