universal frequency 中文意思是什麼
universal frequency
解釋
通用頻率-
There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product
建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。 -
Furthermore, in order to supplement multi - object tt & c capability of new generation space tt & c system, gmsk modulation is recommended by ccsds because of its preferable frequency speciality and miscode performance. the thesis analyzed characteristic and demodulation realized of gmsk signal. attempting to design a universal multi - mode demodulator of bpsk, qpsk and gmsk, the thesis studied
本文分析了gmsk信號的特點及解調實現，試圖設計一種bpsk 、 qpsk 、 gmsk通用的多模式解調器，因而研究了調制識別技術，分析了以決策論為基礎的三種信號的調制識別方法，並提出了基於人工神經網路的調制識別方法。 -
On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。 -
Finally, this paper also suggests that the application of blade resonant frequency measuring instrument should be combined with a mathematic method of two - - grade fuzzy universal appraisal to form a novel and practical procedure to make a comprehensiye evaluation on the status of impel ler blades
最後，本文還提出了將葉片共振頻率測試儀與二級模糊綜合評判的數學方法相結合，對葉輪的狀態進行綜合評價的新穎實用的方法。 -
1driving form : speed - regulate of frequency converter + universal shaft coupling + synchronous belt with high accuracy in synchronism, high in mechanism and guarantee in lifetime of the components
傳動型式：變頻器調速+萬向聯軸器+同步帶，同步精度高，機械效率高，構件使用壽命保證。 -
Empowered by robust technological strength and sound development platform, we produce cdqc ua series, m2ua series and uabp series three - phase universal frequency conversion variable speed motors, ubpt series three - phase main shaft three - phase frequency conversion variable speed motors, ubps series three - phase main shaft long and thin motors, ubpd series special motors for washing machines, ubpg series three - phase main shaft frequency conversion high speed motors, ut series special motors for oil pumps ， sks ac servo motors, fd series special motors for escalators, ta series three - phase permanent - magnet synchronous motors, lk series three - phase asynchronous motors and tp series three - phase permanent - magnet frequency conversion variable speed motors
德驅馳憑借其雄厚的技術實力和良好的開發平臺，推出了「德驅馳」牌ua系列、 m2ua系列、 uabp系列三相通用變頻調速電機、 ubpt系列三相主軸變頻調速電機、 ubps系列三相主軸低慣量電機、 ubpd系列水洗機專用電機、 ubpg系列三相電主軸變頻高速電機、 ut系列油泵專用電機、 sks交流伺服電機、 fd系列扶梯專用電機、 ta系列三相永磁同步電機、 lk系列三相異步電動機、 tp系列三相永磁變頻調速電機。 -
Auto chain makers, high - frequency thermal processing devices, gas carbonnitriding furnaces, cn lathes, nc ball lathes, cnc hobbing machines, nc milling machines, amsler universal testers, three - dimensional measuring instruments, hardness testers
自動制鎖機，高頻率熱處理裝置，氣體滲碳氮化爐， cnc車床， nc軸承車床， cnc滾銑刀床， nc銑刀床，伸縮臂型萬能試驗機，三維測量器，硬度試驗機 -
Finally according to the above mentioned results, two universal ulpa were made and their performance were tested. these results indicated that on the whole, the values of parameters, such as sensitivity of each element, center frequency, relative bandwidth and cross coupling among near elements and so on, and their consistency all meet the ask of technique. therefore, both of transducers performance are favorable
最後根據上述研討結果，製作了兩個通用超產相控線陣換能器，並進行了性能測試，結果表明兩個換能器各陣元靈敏度、中心頻率、相對帶寬、相鄰陣元間串波等參數值及其一致性均基本滿足技術要求，換能器性能良好。 -
In this paper, for 2 ~ 2000mhz broadband rf front - end, using subsection processing fixed intermediate frequency superheterodyne architecture, and combining with the actual component ’ s level, a broadband rf front - end system simulation platform is presented, which provided the universal, standardization, and modularization of transmitter and receiver
本文針對頻率范圍2 2000mhz的寬帶射頻前端，採用分段處理的固定中頻超外差結構，並結合目前的器件水平，建立了一個通用化、標準化、模塊化的寬頻帶射頻前端發射機和接收機系統模擬平臺。 -
Part that needs frequency control adopts control technology of computer and universal electromotor and controls the transducer according to the formula that is voltage / frequency = const, which can adjust the speed of electromotor and accordingly control the working condition of ventilator
變頻調速部分採用計算機和通用電機控制技術的結合，按照電壓與頻率之比等於常值的方式對變頻器進行控制，達到調節電機轉速的目的，從而控制通風機的工況。 -
This thesis makes the analysis of the methods of frequency measurement, which is the main function of the universal counter, and decides to use the gate modification method to measure frequency
本文對計數器的主要功能之一，頻率測量方法進行了分析，提出採用閘門時間修正法進行測頻，降低了量化誤差的影響。 -
This dissertation adopts a universal digital ds / dmpsk modulation and demodulation scheme which is based on fpga. this scheme adopts quadrature balanceable modulation, intermediate frequency sampling, digital matched filtering, delay differential demodulation techniques and so on. it directly processes the digital signals on intermediate frequency without down - conversion, and doesn ’ t need pseudo random codes synchronization and carrier wave extraction circuits
本文採用了一種基於fpga的通用數字調制解調方案，該方案在調制端採用了正交平衡調制技術，在解調端採用了中頻帶通采樣、數字匹配濾波、延時差分解調等技術，直接在中頻上進行數字信號處理，不需要進行下變頻，也不需要增加額外的偽隨機碼同步捕獲和載波提取電路。 -
Universal high frequency signal amplifier
通用高頻信號放大器 -
The seminar will focus on the practical aspects of universal implementation of machine readable passports, the enhancement of machine readable travel documents with biometric identifiers and the use of radio frequency identification ( rfid ) technology at airports. more than 150 delegates from 18 statesterritories including the united states, the united kingdom, australia, canada, new zealand, japan, malaysia, singapore, thailand and republic of korea, will participate in the seminar
是次研討會將集中討論全球推行可供機器閱讀的護照的實際問題、加強使用附帶生物特徵的可供機器閱讀的旅遊證件及無線射頻科技在機場的應用。出席研討會的共有超過150名來自18個締約國地區的代表，包括美國、英國、澳洲、加拿大、紐西蘭、日本、馬來西亞、新加坡、泰國及南韓等。 -
On the basis of the theory of software radio, this paper discusses how to design and develop a realtime digital signal processing system in graphic programming language on a universal hardware workbench of digital signal processing aiming at satellitic intermediate frequency signal
本文論述了基於軟體無線電思想，在一個通用的數字信號處理硬體平臺上，針對衛星中頻信號，用美國國家儀器公司提供的開發虛擬儀器的labview平臺研製開發了一個實時的數字信號處理系統。 -
In this project, we adopt dsp + fpga structure. for its great flexible and universal characteristic, we will design and develop a digital storage oscillograph based on this structure, which sampling frequency is 5 gsps, bandwidth is 100 mhz
本項目是採用dsp + fpga結構，採用實時和隨機兩種取樣技術，實現5gsps最高等效采樣率， 20mhz等實時帶寬的手持式數字存儲示波器。 -
Main function and parameter setting about universal frequency convertible governors
通用變頻器的主要功能及參數設置
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