differential phase 中文意思是什麼

differential phase 解釋
微分相位
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  1. Differential thermal analysis did not reveal the ammonium perchlorate phase change from rhombic to cubic.

    差熱分析沒有測出過氯酸銨從正交晶向立方晶的相變。
  2. 1 solid - phase extraction of barbitone - - ultraviolet differential derivative spectrophotometry in this paper the solid - phase extraction and uv differential derivative spectrophotometry quantitative determination method for 5 of drugs, including barbital, phenobarbital, pentobarbital, amobarbital and secobarbital in blood, urine, liver, kidney, lung and brain

    1巴比妥藥物固相萃取? ?紫外差示導數光譜檢測法本文建立了血、尿、肝、腎、肺、腦中巴比妥、苯巴比妥、戊巴比妥、異戊巴比妥、速可眠的分析方法。
  3. The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium

    測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上,通過改進單參數margules方程並引入新的變量溫度,達到了將此方程用於固液平衡計算的目的。
  4. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料,採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系,繪制了這11組體系的t - x相圖,測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定;並對18烷-羧酸系列進行了熱力學理論預測。
  5. We have already seen that glint is an apparent movement of a target due to motion causing differential phase changes at the receiver.

    我們早已了解,閃爍是目標的視在移動,這是由於目標的運動在接收機中引起不同相位變化的緣故。
  6. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。
  7. Quadrature differential phase shift keying qdpsk

    四相差分相移鍵控
  8. Quadrature differential phase shift keying

    四相差分相移鍵控
  9. Differential group delay measurement of single - mode components and devices by the differential phase shift method

    利用微分相移法進行單模元器件和裝置的群時延差測量
  10. So the likelihood function of the differential phase peaks can be formed as means to identify m - ary psk

    於是可利用相位突變峰值的似然函數來識別信號為哪一種進制的psk信號。
  11. Triggered differential phase discrimination technology used for pzt modulated interferometer

    調制干涉儀的外觸發式差動數字鑒相技術
  12. Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications, we have explained two applications, binary phase - shift keying ( bpsk ), and differential phase - shift keying ( dpsk ), we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter

    第五章研究了聲表面波濾波器在移動通信、無線通信中的應用,主要介紹了三種應用:二進制相移鍵控( bpsk ) 、差分相移鍵控( dpsk ) ,以及用saw匹配濾波器實現cck調制和解調。
  13. Some critical coding and modulation techniques in uav communication have been discussed in this thesis, including differential phase keying ( dpsk ), modulation multiple symbol detection ( msd ), adaptive trellis coded modulation ( atcm ), and space - time coding. this work was supported by the national defense 973 project. uav communication has many sophisticated technologies

    本論文在國防973項目「無人機信息傳輸理論與方法研究」的資助下,結合現代數字通信領域的新技術,根據無人機通信的特點和需求,對其中的幾項關鍵技術做了深入研究。
  14. Differential phase measuring set

    微分相位測量器
  15. The differential phase shift changes as the change in the thickness of the ferrite phase shifter is calculated with the transcendental equation

    根據超越方程對單環非互易鐵氧體移相器的差相移隨鐵氧體厚度的變化進行了數值計算。
  16. Dg dp measurements of the electrical properties of transmitting tubes - methods of measuring the distortion in the chrominance signal due to the luminance differential gain and differential phase

    發射管電性能測試方法由亮度信號不同引起的色度信號失真
  17. Chromatic dispersion measurement of single - mode optical differential phase shift method

    利用微分相移法進行單模光纖的色散測量
  18. 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。
  19. As for the m - ary psk signals, the differential phase peaks at the transients are used. the pdf ( probability density function ) of the differential phase peaks of m - ary psk are the mean of m - 1 pdfs of m - 1 phase peaks

    由於進制的數字調相信號每個子碼間具有個相位突變,其相位突變的峰值滿足一個概率密度為的分佈,若信號為元psk信號,則相位突變峰值的概率密度函數就是個概率密度之和的平均。
  20. Differential phase keying

    差分相移鍵控
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