時(shí)間恒定的
The Waveform and Spectrum of Input and Output Random Processes of A Linear Time Invariant System. 輸入與輸出線性非時(shí)變系統(tǒng)之隨機(jī)電壓其波形及頻譜。
The solvability conditions of the LQ inverse problem for the multivariable linear time invariant system is studied iwth the polynomial matrix method. 利用多項(xiàng)矩陣方法研究了多變量線性定常系統(tǒng)LQ逆問(wèn)題的可解性條件，得到了一般情形下的LQ逆問(wèn)題解的充要條件及其代數(shù)描述。
The robust fault detection filter（RFDF） design problem for linear time invariant（LTI） system with unknown inputs is studied. 摘要 針對(duì)包含未知輸入的線性時(shí)不變系統(tǒng)，研究了其魯棒故障檢測(cè)濾波器設(shè)計(jì)問(wèn)題。
A support hyperplane method is presented to find the response set defined for a linear time invariant vibration system under the excitations modeled by some convex sets. 對(duì)激勵(lì)由凸集合建模的線性振動(dòng)系統(tǒng)提出了響應(yīng)集的概念，將數(shù)學(xué)上的微分包含問(wèn)題簡(jiǎn)化為求解多自由度振動(dòng)系統(tǒng)的響應(yīng)集問(wèn)題。
If reciprocity and symmetry exist for passive two port networks of linear time invariant under zero intial condition,the circuit parameters will have some important characters. 對(duì)于線性非時(shí)變的無(wú)源二端口網(wǎng)絡(luò)，在零初始條件下，若存在互易性及對(duì)稱(chēng)性，則其電路參數(shù)具有一定的特殊性。
Aiming at the linear time invariant system，a characteristic value was proposed and the prediction error of RUL was analyzed under some assumptions for system structure and hidden fault. 針對(duì)線性時(shí)不變系統(tǒng)構(gòu)造了預(yù)測(cè)特征量，并分析了在一定的系統(tǒng)結(jié)構(gòu)假設(shè)和故障假設(shè)下的剩余有效壽命預(yù)測(cè)誤差。
