operating frequency 中文意思是什麼
operating frequency
解釋
工椎率-
Based on the real situation of submarine and antisubmarine warfare ( asw ), according to the classical design theory of transducer or transducer array, a sonar will be researched and made, which has the feature of more wider bandwidth, more lower operating frequency, more lager radiation acoustic power, more farther operating distance, more higher researching efficiency and more higher directive accuracy
本文根據現代潛戰和反潛戰（ asw ）的實際情況，按照經典的換能器和基陣的設計理論，研製聲吶，旨在擴展其頻帶寬度、降低其工作頻率、增大其發射功率、擴大其作用距離以及提高其搜索效率和定向準確度。 -
In the forth chapter the series negative feedback and interstage mismatching are presentation, and a low noise amplifier whose operating frequency is 1. 5ghz 1. 8ghz is developed
第四章詳細介紹了源極串聯負反饋和級間失配法，並設計和製作了1 . 5ghz 1 . 8ghz低噪聲放大器。 -
The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained
採用線性理論推導了無窮大引導磁場下的同軸tm模式色散關系式，並編程數值求解了一定條件下的色散曲線、時間增長率、空間增長率。 -
Several factors affecting selection of operating frequency of mine geologic radar
影響地質雷達工作頻率選擇的若干因素 -
With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展，功率mosfet在各種電力半導體器件中的重要地位日益顯著，使用功率mosfet作為開關器件的功率轉換電路也日益增多，但隨著器件開關頻率的提高（大於200khz ） ，由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率，特別是在以mosfet作為開關器件的高頻感應加熱電源中（工作頻率可達兆赫） ， mosfet在開關過程中的能量損耗嚴重影響到電源的效率，因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。 -
The numerical results of the dispersion relation show some nonlinear effects : for a fixed geometry of a waveguid, beam parameters and plasma density, the increment of the modulation parameter may lead to a slight increment of the operating frequency, however, as the modulation parameter increases further, saturation may occur and the dispersion relations are hard to be separated, it is due to the overmodulation of the microwave power, this phenomenon itself belongs to the nonlinear effects
對於一定的波導、電子注參量和等離子體密度值，等離子體調制系數的增加，使工作頻率略微升高。但是，隨著等離子體調制系數的進一步增加，色散曲線變得彼此之間不可分辨，可以認為是等離子體的過調制導致了柵的飽和。這一現象是非線性的，可見，等離子體柵和調制場中文摘要是非線性關系，等離子體柵是非線性j 。 -
With a view to improving operating frequency, mosfet " hf characteristic is discussed in detail. it is considered that hf loss is one of the key factors for influencing operating frequency of inverter
為提高逆變器工作頻率，詳細分析了mosfet的高頻特性，認為高頻損耗是影響逆變器工作頻率的關鍵因素之一。 -
In the fifth chapter the shunt negative feedback is presented, and a low noise amplifier whose operating frequency is 0. 2ghz 2ghz is developed
第五章分析了漏極並聯負反饋在寬帶低噪聲放大器設計中的作用和原理，並設計、製作了0 . 2ghz 2ghz低噪聲放大器。 -
Using fourier transformation computational method, the fir filter was designed. the acceleration signal dynamic error was revised through the fft 、 ifft and frequency correction in the operating frequency scope. the signal processing had been realized on dsp, and the signal data was really recorded
應用傅里葉變換的計算方法，並且完成了fir濾波器的設計，通過傅里葉正反變換和頻率補償實現工作頻率范圍內加速度信號動態誤差修正，在dsp上實現了信號處理，真實地記錄了信號數據。 -
Low distortion at high current operating, highly stable on operating frequency
-高電流下超低歪，高穩定性工作頻率 -
" soft switching " is zero voltage switching or zero current switching, which the voltage ( or current ) of the switch varies by law of sine or quasi sine, the switch is on when its voltage reaches zero ( or switch is off when its current reaches zero ) by resonance. it makes switch loss is zero, so it can increase the operating frequency and raise power density, minimize the size of transformer and inductor
「軟開關」是指零電壓開關或零電流開關，它是利用諧振原理，使開關變換器的開關管電壓（或電流）按正弦（或準正弦）規律變化，當電壓過零時，使器件開通（或電流自然過零時，使器件關斷） ，實現開關損耗為零，從而提高開關頻率，減小變壓器、電感的體積。 -
Abstract : an analysis on the damage of flame arrester of oil tank has been made from its structure as well as daily care. countermeasures against its disability have been presented, that is, casting the two semi - casing into one piece, leaving out the intermediat flanges, thickening the casing, and increasing the casting round - angle between the flanges and casing. in this way, the strength of casing can be enhance and local stress will be decreased. in addition, in order to enlongate the service life, the operating frequency of flame arrester should be properly reduced in daily care
文摘:從設計結構及維護保養的角度分析了儲油罐阻火器損壞的原因，並提出了相應的改進措施，即在結構方面可以將阻火器外殼鑄為一體，省去中間法蘭，增加殼體厚度，加大法蘭與殼體之間的鑄造圓角，以增加強度減少局部應力:在維護保養方面，應適當減少操作次數，延長阻火器的使用壽命。 -
Above all, the study status and trends in development of rfid antenna are summarized in this thesis. the basic composition and operational principle of rfid system are discussed systematically as well as the division of the fields of antenna and the coupled modes of energy capacity. and the operating frequency and typical application of rfid are investigated to determine basic antenna structure
本文首先對rfid技術的研究和發展現狀進行了綜述，系統的闡述了rfid的基本組成和工作原理、天線場區的劃分、能量耦合的方式以及rfid的典型工作頻率與應用，並確定基本的天線形式。 -
Used in bipolar chipmaking in place of the more expensive gallium arsenide process, sige allows for significant improvements in operating frequency, current, noise, and power capabilities
在二極體晶元製造中用來代替功耗更高的砷化鎵， sige可以顯著地改善操作頻率、電流、噪音和電源容量。 -
In the control loop, the phase - lock loop was used to trace the operating frequency, the vibrating - amplitude loop was used to control the driving influence, the compensate control loop was used to adjust balance, and the measuring loop was used to measure. with the simulation charts of various subsystems, the system parameters were designed
在控制迴路中，利用鎖相迴路來追蹤工作頻率，用振幅控制迴路來控制驅動力，用補償控制迴路調節平衡，用感測迴路進行感測，並且利用各分系統的模擬圖設計出系統參數。 -
The serpentine feed is the core of a frequency scanning antenna feed system, which produce proper amplitude and phase distribution for the antenna arrays. most of all, it make the beam scanning over a large angle range by means of changing operating frequency
它為天線陣提供要求的幅度、相位分佈，更為重要的是當頻率發生少許變化時使線源的等相位面產生顯著的傾斜，完成波束在空間掃描。 -
Design principles and rules of y type and s type sensors including input and output idts multistrip coupler and mass loading area are introduced in detail. their operating frequency, bandwidth and insertion loss are 122mhz
所研究的y型和s型雙聲路saw質量傳感器件的工作頻率為122mhz ，帶寬為2 . 75mhz ，插入損耗約為14db 。 -
In the sixth chapter a low noise amplifier whose operating frequency is 6ghz 12ghz is presented. it is a balanced amplifier. in this chapter we discuss the calculation of lange coupler, the matching of balanced amplifier and the influence of thin film mic in the design
第六章設計的6ghz 12ghz的低噪聲放大器為平衡放大器，詳細討論了蘭格耦合器的計算、平衡放大器中匹配電路的設計和薄膜mic工藝對電路設計的影響。 -
The operating frequency, acceptance range and other essential parameters are confirmed. the high frequency array is designed
其次，進行了高頻基陣設計，確定了基陣的各基本參數。 -
As far as the wide slot antenna is concerned, a broad s11 - 10db frequency bandwidth of 158 % and an operating frequency band of 1. 9 ~ 16. 25 ghz are produced by applying this method to it
對寬槽天線而言，應用這種方法得到了阻抗帶寬為158 %的超寬帶寬槽天線，工作頻率為1 . 9 ~ 16 . 25ghz 。
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