pseudo-problem 中文意思是什麼
pseudo-problem
解釋
虛假問題-
Used perturbed method and making inexact generalized gradient projection with cone, perturbed generalized gradient projection method is proposed. the field of the algorithm is extended. numerical experiments show that the method is effective. secondly, using the trust region form and the pseudo - directional derivative of minimax problem, we propose the trust region form of minimax problem
對信賴域法作了進一步的研究，藉助minimax問題的偽方向導數，構造出其信賴域二次模型，並結合非單調策略，給出求解minimax問題的簡單易行的信賴域演算法。 -
The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals
第四章首次引入一種重分配方法，得到干擾項少而解析度高的重分配平滑偽魏格納維爾分佈（ rspwvd ） ；對發動機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振動信號特徵進行了全面地比較分析；通過對各種異響故障特徵信號的分析研究，提出基於rspwvd的發動機多異響故障診斷策略，利用該策略可以準確識別不同的發動機異響故障。 -
Application of improved pseudo - parallel genetic algorithm for job - shop scheduling problem
一種新的偽并行遺傳演算法在車間調度中的應用研究 -
The solution of the original nonlinear problem is reasonably approximated by means of a series of random vibration analyses for the linearized structure using the pseudo excitation method
本文方法充分利用了虛擬激勵法求解復雜線性結構高效、精確的優點，以一系列線性問題的迭代分析，迅速地求得原非線性問題合理的近似解。 -
This paper tries to prove the uniqueness of weak solution to the initial - boundary problem of a pseudo - parabolic equation
摘要征明了一個偽拋物型方程初邊值問題弱解的唯一性。 -
In the theoretical research part of the project, liang zhi yong adopted the pseudo - spectral matrix method to simulate the friction reduction by microbubble on flat plates numerically ; and lin li ming used the model of ipsa ( inter - phase slip algorithm ) provided in phoenics to study this problem
在微氣泡減阻基金項目理論研究方面，梁志勇採用偽譜矩陣方法對平板微氣泡減阻進行了數值模擬；林黎明則主要是採用phoenics軟體提供的ipsa模型進行平板微氣泡減阻計算。 -
Based on the uniformly extended system and pseudo - arclength continuation, an uniform algorithm is given. before showing the numerical examples we discuss the relation between the singularities in the original problem and the uniformly extended system, which is very important for our algorithm
為了克服正則擴展系統方法的缺點，我們提出確定奇異性的普適擴展系統，結合同倫參數的擬弧長延拓，給出了計算各類高階奇異點的一個統一演算法。 -
With the aid of the muskhelishvili ' s complex potentials theory, boundary conditions on the crack faces and the single value condition of displacement, the problem of a plate under compressive loading is turned into hilbert problem and the fundamental solution for cracks with different surface forms under concentrated pseudo - tractions are given
根據muskhelishvili的復勢理論，結合裂面邊界條件和位移單值條件，將受壓構件的裂紋問題轉化為對應的hilbert問題，並分別給出了在偽集中力作用下，不同裂面形態的基本解。 -
( 2 ) a new digital frequency - hopping communication system based on cipher - quasi - chaotic sequence is proposed, which combines the cryptography and frequency - hopping technology. the system ' s protocol, base - band signal processing and modulation / demodulation algorithms of the radio - frequency part are designed, and the hardware experiment conducted on a prototype of the system show that the system functions well. the finite precision problem arising while taking use of chaotic signal to generate pseudo - random sequence is studied and the anti - tracking capability of the cipher - quasi - chaotic sequence is studied with the volterra - tls method proposed in this dissertation
（ 2提出一種新的基於密碼準混飩序列的密碼與跳頻技術相結合的跳頻通信系統，並且進行了協議部分、拂信號處聊分、射頻調制解調演算法部分的模擬研究和系統的硬體實驗研究；研究了利用混飩信號產生偽隨機序列的有限精度實現問題，利用本文提出的m業肚m 113方法對密碼準混飩序列產生的跳頻碼的抗鵬干擾能力進行了模擬實驗研究。 -
Pseudo excitation method ( pem ) is used, thus one random process excitation can be transformed into a deterministic transient excitation, so the joint - random problem is turned into a single - random problem accurately, it can be solved easily by means of perturbation method and sequence orthogonal decomposition theory respectively. the probabilistic approach is used to transform stochastic optimization into deterministic optimization, therefore the optimization can be achieved through multiple objective decision making theory
以虛擬激勵法為基礎，將隨機過程激勵轉化為確定性動力激勵，從而將復合隨機問題精確地轉化為僅結構參數具有隨機性的問題，分別利用攝動理論和次序正交分解理論推導了確定性動力激勵下隨機結構響應特徵，採用概率方法將隨機優化問題轉化為確定性優化問題，從而可以通過多目標決策理論進行結構優化設計。 -
For this reason, the paper is aimed at the electro - hydraulic servo - system nonlinear problem, and proposes the feedback linearity means ( that is the inverse system method ) against the system mode systematically to transform such nonlinearity into the pseudo linear system. the system mode not merely continues to have system message completely feedback the linearity means, but also achieves the great limit linearization of controlled device, for designing the controller to advance system dynamic characteristic and performance index and supply the ideal terrace in the interest of the application linearity control theory
為此，本文針對該非線性問題，提出了逆系統狀態反饋線性化方法，將其非線性系統轉化成偽線性系統，不僅完全保留了系統的信息，而且還實現了被控對象的大范圍線性化，為應用線性控制理論去設計控制器為提高系統的動態特性和性能指標提供了理想的平臺。 -
This thesis first turns the double random problem exactly into a single random problem by using the pseudo excitation method which turns the stationary random excitations into deterministic sinusoidal excitations
本論文用虛擬激勵法將平穩隨機激勵轉化為簡諧激勵，從而將復合隨機問題（結構參數隨機且外激勵隨機）轉化為單隨機問題（僅結構參數隨機） 。
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