low-frequency parameter 中文意思是什麼

low-frequency parameter 解釋
低頻參數
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • 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。
  • parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. For farther research in practical status and birth mechanism of information man - oeuvre rent seeking, the thesis usees decision - making and game theory to build gamemodel, linking to character of information manoeuvre rent seeking and adding some hypothesis and parameter. use typical sampling with punish decision from security monitor committee of china, and do positive research, result shows that from those years information manoeuvre rent seekings in china have been in a high frequency state, many prescripts of < security law > have not been enforced well on checking of lawless cases, degree of punish cant hold back the information manoeuvre rent - seek - ing impulsing. at the effective monitor of stock market, not only probability of check is low, but rate of succeed is low too

    實證研究結果表明，近年來，我國證券市場的信息操縱行為處于高頻率狀態， 《證券法》的有關處罰規定在現實中沒有得到嚴格的實施，懲罰力度不足以有效遏止市場的尋租沖動，在市場有效監管上，不僅稽查的概率偏低，而且稽查的成功率也有待提高，合理改進稽查概率、稽查成功率、懲罰力度、中小投資者抗租能力等相關參數，是提高市場效率的有效途徑。
  2. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  3. In order to obtain actual deformation amount, when the deformation amounts of tenon and mortise place of floorboards are changed, it mainly gather low frequency signal amounts after the fore - process device on the electricity eddy senses is deciphered, so as to offer references for measuring the deformation amount parameter of other kinds of floorboards

    該法主要通過採集電渦流傳感器中前置器解調后的地板榫接部位變形時的低頻信號值獲得其實際變形量，並為檢測其它種類地板的變形量參數提供參考。
  4. Low - frequency spectrometer analyzer with varied parameter filters

    參數可調濾波器的低頻頻譜分析儀
  5. The innovations of this thesis are as the follows : 1 ) it is analyzed that the lower - order jacobi - anger expansion model for an incoherently distributed source has better accuracy performance than some other approximate source models such as space frequency model, two - point source model, and low - rank approximate model. using the parametric decoupling property of the ja - based model, a novel angular parameter estimator is proposed, which is very robust in case of large angular spreading

    本文從這三個方面開展了空間分佈源波達方向估計研究，創新點包括： 1 ）分析了低階jacobi - anger級數展開近似模型的誤差性能；利用該近似模型的參數解耦特性，提出了一種新的波達方向估計器，在大角度擴展條件下，該估計器表現非常穩健。
  6. Chapter 4 presents a detailed analysis of low frequency inter - area oscillations of the south china interconnected power system for the year of 2005 based on the eigenvalue analysis method. participation factors and mode shape diagrams of generators related to the inter - area oscillations are figured out, and locations of pss are determined accordingly, the parameter setting for the pss is studied as well

    採用特徵值分析法詳細分析了2005年夏大運行方式下南方電網的低頻振蕩特性，計算了對應主要振蕩模式的發電機參與因子和模態分布圖，並根據參與因子的大小研究了南方電網的pss配置方案及其參數整定。
  7. Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount

    本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計，首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義，接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型，並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法，然後根據實際應用的實時性要求，為了減小運算量，在基音周期參數的提取的演算法實現上，本文採用在時域進行基音粗估運算，在頻域進行基音精細估計運算。
  8. Through the test of the separating sieve ' s and beams vibration acceleration, the dynamic bending moment, torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft, the change regularity of the vibration of the separating sieve, the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained. research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve. the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam, appropriately amending the vibration acceleration of the separating sieve, the loading and vibration of the mam beam can be directly improved

    通過分檔測試主軸轉速在300 600r min范圍內分離篩與梁的振動加速度、梁所承受的動態彎矩、扭矩和剪力以及各參量的時頻域分析，得到了主軸轉速與分離篩振動、主梁的振動及其危險截面的動態載荷間的變化規律，研究表明梁的振動和其所承受的動載與分離篩的振動之間具有明顯的相關性，分離篩的振動主要影響梁振動的低頻成分，適度改善分離篩的振動加速度，可直接改善梁的負載和振動特性。
  9. On the other hand, we give the condition of correctly solving range ambiguity and performance calculating formula of for stagger frequency difference ; condition of constraint for deciding stagger parameter value ; range " s analysis result for targets with multiple scattering centers or low altitude. this part includes chapter 2, 3, 4, 5

    另外，我們還給出了參差比相測距正確解模糊的條件以及參差測距下的性能公式；提出了決定參差參數取值的約束條件；給出了多散射中心目標和低空目標的多頻連續波測距性能的結論。
  10. Chapter 2 introduces the theory of frequency - hopping and omsk, at the same time gives out a fh - gmsk radio model in high frequency band under the matlab simulink environment. chapter 3 respectively proposes the parameter blind estimation algorithms for high - speed - hop and low - speed - hop fh signals based on smoothed pseudo wvd ( spwvd ). furthermore, the simulation results are given to demonstrate the algorithms performance

    第三章用「平滑偽wvd （ spwvd ） 」時頻分析技術分別研究了對高速跳和低速跳的跳頻信號的參數盲估計演算法，並對這兩種演算法，分別在matlab的環境下做了模擬和性能分析。
  11. The linear model is feasible to the system that has relatively low frequency and small parameter variation and outer disturbs

    線性化模型對一些頻寬不太高，參數變化和外干擾不太大的系統是可行的。
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