combination frequency 中文意思是什麼

combination frequency 解釋
復合頻率
  • combination : n 1 結合，合併，混合，聯合，配合，組合。2 合作；共謀，同謀；同黨。3 〈pl 〉〈英國〉連褲襯衣。4 【...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. They were technology paradigm shifting from analog signals to digital signals in xihu electronic co. and the shifting from dynamic frequency to fixed frequency of air condition manufacturing in haixin co. at last, by the combination of efa ( exploratory factor analysis ) and cfa ( confirmative factor analysis ) method we proposed and approved the interaction among learning, unlearning and innovationess

    通過研究西湖電子從模擬技術向數字技術轉變一以技術推動為主導的範式轉變和海信集團以市場拉動為主導的範式轉變，生產變頻空調的案例說明組織在技術範式轉變時期的組織學習模式。
  2. A building of high, the breadth, long comparison is very important. house for combination in an ideal of big set, reruns hour then contain the best frequency to respond to the width. frequency response range in other words, the combination can broadcast tallest to can also fully develop to the lowest frequency, and the equilibrium degree is as well high, and halt a circumstance is very tiny. the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion. combination that fundermental the diapason wave harmonics is again perfect

    大套組合在一間理想的房子里，重播時便有最佳的頻率響應寬度frequency response range 。換句話說，組合所能播放的最高至最低頻率也可以盡情發揮，平衡度亦高，駐波情況極微。第一反射音波primary reflection和多次反射音波secondary reflection的互相干擾情度不至造成混亂。
  3. By calculating large quantity of examples, this text studies earthquake resistant behavior of tapered portal frame with pined bases and analyzes its natural frequency, natural period of vibration and vibration mode. by comparing interior forces of pillar top, beam end and span midpoint in two conditions that seismic action effect participates combination of forces and not when portal frame is n ' t changed, ensure conditions that combination of seismic action effect has controlling f unction during tapered portal frame design, and tapered portal frame demands anti - earthquake design

    本文通過大量算例分析，研究柱腳鉸接楔形變截面門式剛架的抗震性能，並對其自振頻率、振型進行了分析；通過比較地震作用效應參與荷載組合與不參與荷載組合兩種情況下，樑柱截面尺寸不變時，柱上端、梁端、跨中截面處的內力大小，確定在什麼情況下地震作用效應組合起控製作用，變截面門式剛架需要進行抗震設計。
  4. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著，對信號功率譜、平方譜及四次方譜進行研究，針對通信中常用的調制方式，結合前人提出的基於決策理論中的特徵參數，設計了一組對信噪比和信號調制參數不敏感的分類特徵參數，利用上述參數完成了一種基於信號頻域的識別方法，可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  5. The merits of dds such as super fine frequency resdutlon 、 high frequency accuracy 、 easy programmed can be in combination with the excellent character of narrow - band tracing filter merits of pll

    它可以將dds的超高頻率解析度、高頻率精確度、容易實現程式控制等優點與鎖相環良好的窄帶跟蹤濾波特性相結合。
  6. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。
  7. The series genrating set combination of single and three phase brushless generator 、 control panel 、 common base produced by liuzhou jiali electric manufacturing co. ltd and engine produced by nanning machine factory ( abbreviation : nanji ) 、 changzhou engine co. ltd ( abbreviation : changfa ), which appears small size 、 light in weight 、 easy to start 、 low in fuel consumption and noise production with stale voltage and frequency output. it is an ideal power supply for banks 、 post office 、 public places of entertainment 、 households and pasturelands, so on

    本系列機組由柳州佳力電力電工有限責任公司生產的單相無刷發電機、控制箱及公共底座與南寧機械廠（簡稱南機） 、常發集團（簡稱常發）等柴油機廠生產的柴油機組成，具有穩定的電壓和頻率輸出及體積小、重量輕、啟動方便、油耗低、噪音低等特點，充分地體現了高性能、高質量發電機所應具備的要素，是銀行、郵局、娛樂場所、家庭及牧場等的理想電源。
  8. The results showed that high concentration of 2, 4 - d was required for callus induction from mature seeds of tall fescue, and combination of 8mg / l 2, 4 - d with 2mg / l aba gave best induction effects. by slicing sterilized seeds longitudinally or cutting embryos, callus induction frequency was profoundly increased over intact seeds from one and half to eight times. adoption of ms basal medium and supplementation of 0. 5g / l casamino acids and 0. 5g / l glutamine in medium were found to help to facilitate callus induction

    研究表明，高羊茅成熟種子愈傷組織誘導需要較高濃度的2 ， 4 - d ，以8mg l2 ， 4 - d與2mg laba配合能獲得最佳的誘導效果；種子滅菌后縱切或切胚，可使出愈率成倍提高；採用ms基本培養基和在培養基中添加0 . 5g l的水解酪蛋白與谷氨酰胺也有助於提高出愈率；低劑量（ 10gy ）射線輻照處理對成熟種子愈傷組織尤其是胚性愈傷組織形成有一定的刺激效應。
  9. Fxv series is derived from fx series. in structure, it adopts air cooling of net flow. it shows apparent function against blocking by fibers, suitable for textile, printing and dyeing machines for cotton, wool, linen, silk and chemical fibers. it works effectively under the environment of plentiful dust, short fibers, high temperature and high humidity. it features even speed regulation in combination with frequency changer

    本系列電動機主要是fx系列電動機的派生系列，結構上採用凈流式風冷，具有較強的防纖維堵塞能力，適用於棉、毛、麻、絲、化纖等各種紡織印染機械，能在多塵埃、短纖維及溫濕度較高的環境下工作，與變頻器配套，調速均衡。
  10. This text aim at the measure and control ' s system at the experiment to equip of the air condition function and combination shanghai chijiang technology develop company new set up the enthalpy different laboratory, makes use of the visual basic 6. 0 developped the measureand control ' s system of the enthalpy different laboratory. this system adopts n ow programmable control technique that spread of boundary of domestic and international work control, the regulating speed technique by changing frequency and the rs - 485 / rs - 232 technique

    本文就針對空調性能實驗裝置中的測控系統並結合上海弛疆科技發展公司的焓差室新建工程，利用visualbasic6 . 0開發了焓差室的計算機測控系統，該系統採用了目前國內外工控界流行的可編程式控制制技術、變頻調速技術和rs - 485 rs - 232通信網路技術，是一套完善的管控一體化系統。
  11. High - frequency software defined radar ( hfsr ) is the combination of the software radio technology and high - frequency radar

    軟體高頻雷達是軟體無線電技術與高頻雷達的結合。
  12. In this paper, dynamic stability of parametrically excited flexible cam - follower system on the weakly nonlinear condition is investigated by using the combination of both the method of multiple scales and the technique of fourier series expansion. the equations of approximate transition curves in the plane of the dimensionless frequency and excitation ( amplitude ) parameter that separate stable from unstable solution are derived

    隨后，本文採用多尺度法並結合fourier級數展開，分析了不同的凸輪從動件運動規律和不同的凸輪的升程、停程以及回程的時間分配規律下，無間隙的周期時變凸輪系統模型的穩定性，獲得了各種規律下的凸輪系統的穩定區間圖。
  13. Bifurcation and combination resonance of the hysteretic nonlinear system with three - frequency excitation

    三個激勵作用下滯后非線性系統的組合共振及分叉
  14. The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses

    組合式雙管正激變換器由雙管正激變換器串並聯構成，應用交錯控制策略，在保留雙管正激變換器功率開關管電壓應力低和可靠性高的優點同時，克服了等效占空比小、副邊二極體電壓應力高、輸出電流脈動大等缺點。
  15. Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving

    引進通力成熟的自動扶梯技術，採用先進的微機控制系統，高強度的桁架結構經典的驅動技術完善的保護裝置，使產品安全可靠耐用，乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型，使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用，使產品省電節能，而室外型自動扶梯能經受各種氣候環境條件考驗。
  16. Combination pulse and frequency coding system

    脈沖與頻率組合編碼制
  17. Results the combination therapy had better results than those of conventional corticosteroid therapy, including the improvement of the clinical manifestations, immunological indexes, renal functions, decreasing of incidence of renal failure and the frequency of side - effects

    結果環磷酰胺沖擊療法聯合小劑量皮質類固醇激素療法組的臨床癥狀及免疫學指標的改善、腎功能的改善及腎衰率的降低均明顯優于單用激素療法組，且不良反應不大。
  18. The paper reviews the research progress on the curative effects of the different electroacupuncture parameters, including frequency, waveform, intensity time and their combination, and makes forward prospects for future researches

    摘要總結不同電針刺激參數：頻率、波形、電針強度、刺激時間及其不同組合產生效應的研究進展，並對今後的電針參數效應研究進行展望。
  19. At present, there are three kinds of modes of modulation including pulse width modulation ( pwm ), pulse frequency modulation ( pfm ) and the modulation of combination of pwm and pfm. lots of products using above modulations are designed in many famous companies

    目前，在功率變換系統中常見的有三種調制模式:脈寬調制模式（ pwm ， pulsewidthmodulation ） 、脈頻調制模式（ pfm ， pulsefrequencymodulation ）和二者可以相切換的pwm / pfm模式。
  20. Wideband receiver frequency design for avoiding the interfere of combination frequency

    寬帶接收機抗組合干擾設計
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