fixed adj. 1.固定的;確定的,不變的,固執的。 2.【化學】凝固的,不易揮發的。 3.〔美口〕(在經濟上)處境…的。 4.〔美俚〕(比賽等)通過作弊預先安排好結果的。 a fixed deposit 定期存款。 a fixed fact 〔美國〕確定事實。 a fixed gun 【軍事】固定機槍。 a fixed income 固定收入。 a fixed point 警察常駐的地方。 fixed par of exchange 匯兌的法定平價。 a fixed oil 不揮發性油,固定油。 well fixed 〔美國〕生活寬裕。
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例句與用法
Rules for the preparation of detail specifications for pulsed fixed - frequency magnetrons of assessed quality 經質量評定的固定頻率脈沖磁控管詳細規范編制規則
According to the variety characteristic of frequency , radio station can be divided into two types : " fixed - frequency radio " and " hop - frequency radio " 按照無線電波頻率的變化特征,無線電臺可分為“固頻電臺”和“跳頻電臺”兩大類。
In the meantime , the paper introducted the method of fixed - frequency sampling in combination with commutation method by overlap in order to hold back the torque ripple of bldcm 論文主要研究了兩相和三相無位置傳感器永磁無刷直流電機由電流換相引起的轉矩波動,推導出相應的轉矩波動公式,提出一種采用定頻采樣和重疊換相相結合的方法對換相轉矩波動進行抑制和控制。
The three - phase high - frequency ac pulse density modulation ( pdm ) converter , which is proposed in this paper , can efficiently synthesize low - distortion variable frequency variable amplitude low frequency voltage signals from the fixed - frequency voltage of the high frequency link 本文闡述的高頻交流脈沖密度調制( pdm )的控制策略能夠較容易地將高頻交流信號低失真地合成幅值和頻率變換的低頻信號。
Abstract : a new current feedback control method of brushless dc motor ( bldcm ) is introduced in this paper , which combines the traditional overlap method with the fixed - frequency sampling current control method . it both stabilizes the work frequency of the inverter , and improves the commutative performance of bldcm . and it is verified by the result of the simulation 文摘:提出一種永磁無刷直流電機電流反饋新的控制方法,即采用常規重疊換相法與定頻采樣電流控制相結合的方法,既能穩定逆變器的工作頻率,又改善了永磁無刷直流電機的換相性能,利用仿真對提出的方法進行了驗證。
It applies to all kinds of soild microwave sources and supports manual and automatic measurement . with it , one port reflection coefficient , swr and two ports s matrix can be got at fixed - frequency . one port reflection parameters , two ports transmission parameters and q value of microwave resonator can be measured over wide frequency 該網絡分析儀可適應各種固體微波源,一機多用;可以進行自動和手動的獨立測量:它將點頻測量與掃頻測量功能集合于一身,可在點頻狀態下測量二端口網絡的反射系數、駐波比、二口網絡的s參數,在掃頻狀態下測量傳輸參量、反射參量、微波諧振腔q值等。