相角計 的英文怎麼說
中文拼音 [xiāngjiǎojì]
相角計
英文
phase angle meter-
The enterprise beijing zhongke moshi dafang science and technology co., ltd. offers among other things goniometer and machine control
公司專業從事量角器、測角計、測向器、評判以及反射器和視頻照相機業務。The hero and heroine recruitment campaign for the tv drama versions of wisely scientific novel series, to which qjy owns exclusive adaptation rights, will be launched as a major project under qjy chongqing performing arts center. it is expected that the recruitment campaign to be announced after the spring festival will create high noise level across the country
此外，勤緣擁有獨家改編版權之衛斯理科幻系列男女主角亦將是重慶勤緣演藝經理業務之重拳重點項目，相信于春節后公布招聘衛斯理系列式電視劇男女主角計劃時，會引起全國轟動。First the idea of visual protractor is introduced, then a kalman filtering method is used to fuse visual information with encoder information to correct the mobile robot tracks obtained with encoder
首先，介紹了視覺量角計的思想，進而利用卡爾曼濾波的方法將視覺信息與碼盤信息相融合，對依靠碼盤得到的航跡進行了修正。Models with different measurements precision based on phasor measurements are built. as for measurements with low precision, the voltage phasor of nodes with pmus are iterated as state variables. as for the measurements with enough precision, the measurements of pmu are regarded as state results directly
在此基礎上，建立了基於相角量測的狀態估計模型，對不同精度的pmu量測值採用不同的狀態估計模型， pmu精度較低時，在增加量測量冗餘度的同時， pmu所在節點的電壓相量仍然作為狀態變量參加迭代； pmu精度足夠高時，直接將pmu的量測值作為狀態估計的狀態解， pmu所在節點的電壓相量不參加狀態估計。Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。It really provides convenience to evaluate and optimize the design result. 3 ) vibration analysis has been fulfilled by calling some math libraries and graphic libraries in matlab to plot graphics such as velocity - time, displacement - velocity, step response, impulse response, gain - frequency and phase - frequency. we can know the capabilities of the spring system from the graphics
3 、在matlab環境下調用相應的數學函數庫和圖形庫對設計的彈簧進行分析，繪制彈簧加載后系統的速度-時間響應曲線、速度-位移響應曲線、階躍響應曲線、脈沖響應曲線、增益-頻率響應曲線和相角-頻率響應曲線，根據曲線來分析系統的各項性能。First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive - slope and the negative - slope of triangle wave. this method has the following characteristics : easy to calculate, simple to realize and high precision
首先用簡單的數值方法較準確的計算出零點時刻;進而根據三角波掃頻時正程和逆程相位變化符號相反的特性，巧妙的完成了相位計算，該方法具有計算簡單、實現方便、準確度高等特點。Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation
鑒于湯陰變電站的諧波主要來自電力牽引負荷，本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況，得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器，分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波，推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據，歸納了電力牽引負荷注入湯陰變電站的諧波的特點。After investigating the relationship between generator measuring speed pulse and its on - load voltage at phase a, it is proposed in the thesis that we can obtained phasor of generators through messuring dividing frequency signal of generator measuring speed pulse
我們研究了發電機測速脈沖和其a相空載電勢相位的關系，提出了只需測量與發電機同軸的測速發電機發出的測速脈沖的分頻信號，經過計算就可以得出發電機相角的測量方法。In this topic, the error characteristic of resistance voltage sensor was analyzed in theory, by using electric circuit analysis, the reasons which affected its error were gotten. based on theory analyses, initial structure was designed. then by using fem ( finite element method ) of simple resonance field, several structures electromagnetic field was calculated, and their amplitude errors, phase errors, maximum of electric field intensity and frequency characteristic of amplitude error were contrasted
本文從理論上分析了電阻式電壓傳感器的誤差，用電路分析法定性的研究了影響電阻分壓器誤差的因素；在理論分析的基礎上進行了電阻分壓器結構的初步設計；基於該設計，利用簡諧場的有限元方法進行了場的計算，比較了幾種結構方案的幅值誤差、相角誤差、最大場強值及其幅值誤差的頻率特性，從而得到一種最優方案；製作了分壓器樣機，並在本實驗室進行了實驗；最後，對電子電路部分進行了初步設計，並提出了抗干擾的措施。3 after analysed the deformation of the structures and fractures, predicted 2 - d fractural degree through the study of natural fracture net, indentified and evaluated fracture though logging data, analysed 3 - d seismic coherence data > counted the dip angle " s of strata etc, the distribution of fracture is pointed out, the prediction methods which combined with geological and geophysical technologies of the fractural zones in the tight sandstone is also presented
3通過構造及斷裂形變分析、天然裂縫網路二維裂縫度預測、測井裂縫識別與評價、地震三維相干分析、地層傾角計算等預測裂縫分佈區，提出地質裂縫預測技術和地球物理裂縫預測技術相結合的緻密砂巖儲層裂縫發育帶預測方法。The calculation and measurement methods for voltage, turns and phase - shifting angle of winding with extended delta connection in 24 pulse traction rectifier transformer are introduced
摘要介紹了24脈波牽引整流變壓器延邊三角形聯結的網側繞組的電壓，匝數及移相角的計算和測量方法。Its principle is analyzed in this paper, and the relation of phase shifted angle, the amplitude of each harmonic content and the thd is also analyzed in detail. then the system is simulated in matlab. in the end, this paper analyses and designs the power and the control circuit by taking a 2kva inverter for an example
本文分析了工作原理，並對移相角與輸出各次諧波的幅值， thd的關系做了詳細的理論分析。同時運用matlab對系統進行了模擬，最後本文以一臺2kva逆變器為例，分析設計了功率電路和控制電路。Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability
高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。The phasor measurement technology based on gps is introduced briefly. and how to add these phasor measurements into state estimation is analysed from several aspects. the state estimation differences between based on phasor measurements and conventional scada are given
簡要介紹了基於gps的相角測量技術，從幾個方面分析了如何將pmu測得的相角量測量加入到狀態估計中，並比較了加入相角量測量后的狀態估計與傳統狀態估計的不同。The phasemeters will be calibrated by applying two digitally synthesized low distortion sine waves generated by the laboratory s phase angle standard
本所將用本所相角標準所提供的兩個數字合成低失真正弦波，對相位計進行校正。Signal forming and different demodulation of gmsk baseband signal are mainly discussed in the dissertation. gauss filter, phase integral, sin table, matched filter, calculate angle, bit - synchronization 、 output filter 、 a / d 、 d / a and etc of gmsk baseband signal are carefully studied through software emulation in systemview environment. the modulation and demodulation of gmsk baseband signal are carried out by the way of using tms320vc549 of ti to integrate software and hardware
本文重點討論了gmsk基帶信號的形成以及gmsk基帶信號的差分解調，系統在systemview的環境下進行了軟體模擬，通過對系統的模擬工作，仔細的研究了gmsk基帶信號的高斯預濾波器、相位積分、 sin查表、匹配濾波器、相角計算、位同步、幀同步、輸出濾波、 a / d和d / a等。It involves not only the detection of signal frequency, signal phase and power factor but also calculation and control of phase. the method of calculating phase is based on fast fourier transform algorithm ( fft ). it is used to calculate signal frequency, signal phase, power factor and the phase on / off time according to sampling instantaneous value of voltage and current
本文主要提出了採用信號處理技術（快速傅里葉變換fft ） ，根據電壓、電流采樣的瞬時值，計算信號頻率、信號相位、功率因數、分合閘相角的選相控制方法，並介紹了最終控制分合閘的原理與實現方法Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults
首先論文對三相均勻換位線路的故障定位進行了公式推導和數值計算分析，並在頻域內對故障函數的頻譜曲線幅值、相角和頻率特性進行了分析，提出了相應的故障定位判據。The basic calibration for a phasemeter include checking of phase angle measurement accuracy at equal signal levels for 4 different frequencies
相位計的基本校正工作包括按四個不同頻率的相等訊號電平，檢查相角測量的準確度。分享友人