frequency characteristics 中文意思是什麼

frequency characteristics 解釋
頻率特性
  • 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。
  • characteristics : 產品性能描述
  1. In current practice, array parameters are usually calculated according to the strength and types of interference wave, frequency characteristics, and azimuth, whereas the effect of array center is often ignored, and simply view the graphic center as array center

    指出現在施工設計中，組合參數的確定主要圍繞干擾波、頻率特性和方位角等方面進行論證，忽視了其組合中心的確定。
  2. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  3. Methods of measurement for radio transmitters ; part 4 : amplitude frequency characteristics and non - linearity distortion in transmitters for radiotelephony and sound broadcasting

    無線電發射機測量方法.第4部分:無線電話和播音發射機
  4. Methods of measurement for radio transmitters. part 4 : amplitude frequency characteristics and non - linearity distortion in transmitters for radiotelephony and sound broadcasting

    無線電發射機的測量方法.第4部分:無線電話和播音發射機的幅頻特性及非線性失真
  5. Frequency characteristics and analysis of quantum resonant tunneling diodes

    量子共振隧穿二極體的頻率特性與分析
  6. Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits

    具有良好的高頻開關特性反向恢復時間短，可實現對電路開和關的控制功能，可完成開關限幅檢波高頻整流邏輯控制等功能，適用於各類數位電路類比電路。
  7. In the part of thesis ' s design, we calculated the frequency characteristics, radiation characeristics and resistance characteristics of outboard - driven flextensional transducer, and optimized the size of structure

    在論文的設計部分，對外部驅動的彎張換能器的頻率特性、輻射特性及阻抗特性進行了詳細的計算，對結構尺寸進行了設計優化。
  8. Baseband frequency characteristics evaluation equipment

    基頻傳輸特性檢測器
  9. Study of the high frequency characteristics of ridge - loaded ring - plane twt

    脊加載環板行波管高頻特性的研究
  10. Log magnitude - frequency characteristics

    對數幅頻特性
  11. Log phase - frequency characteristics

    對數相頻特性
  12. Crosstalk - frequency characteristics

    串音頻率特性
  13. Scales and sizes for plotting frequency characteristics and polar diagrams

    繪制頻率特性圖和極坐標圖的標度和尺寸
  14. Sclaes and sizes for plotting frequency characteristics and polar diagrams iec 60263 : 1982

    繪制頻率特性曲線和極座標圖用的標度和尺寸
  15. Electro - acoustics. scales for plotting frequency characteristics ofelectro - acoustic instruments

    電聲.電聲儀器頻率特性的繪圖標度
  16. A x - band six - cavity tro is studied. with the voltage 760kv 6ka and the magnetic field 2. 6t in the simulation, output power is about 1. 5gw is obtained, and interaction efficiency is 31 %. a noveland high accurate numerical synthetic technique is presented for determining the high frequency characteristics of six - cavity with open boundary

    對粒子模擬的輸出微波功率的作出診斷，找到讀取微波功率快速有效的方法：在電場和磁場同相的前提條件下，對時域波形進行傅立葉變換，微波功率頻域的二倍頻所對應的幅度即為微波x波段渡越輻射振蕩器的理論和實驗研究平均功率的大小。
  17. In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1

    本論文以曲折波導慢波系統和槽波導傳輸線為基礎，綜合二者的優點和目前曲折波導在thz輻射振蕩器中遇到的問題，提出一種新型的曲折槽波導慢波系統的概念，並對這種新型慢波結構的高頻特性進行了詳細的研究。
  18. The article analyses the time - frequency characteristics of the main climatic elements in heilongjiang province more particularly, and discusses the main regularity of the climatic variations in heilongjiang province, the conclusions obtained are of referential importance for they can provide the background and main features of climatic changes in short - term climate forecast for heilongjiang province and the northeast areas in our country

    本文採用不同方法，比較詳細地分析了黑龍江省主要氣候要素的時頻變化特徵，討論了黑龍江省氣候變化的主要規律，所得結論可以為黑龍江省乃至我國東北地區的短期氣候預測業務提供氣候變化的背景及其主要特徵，具有一定的參考意義。
  19. Because engine noise takes on complicated frequency characteristics, if original noise signal is not collected, the noise control effect will not be evident

    由於發動機噪聲的頻率成分比較復雜，如果採用主動降噪技術不能適時採集到源噪聲信號，就達不到理想的降噪效果。
  20. Sequently it deals with frequency characteristics of the rudder and loading systems in matlab and simulate the system with 20 - sim. when improve the loading performance with adding the structure invariance principle to eliminate surplus force. to improve loading performance of loading system controlled by p - q servo - valve, this dissertation analyzes the uncertainties of electro - hydraulic load simulator, then designs a robust controller

    在此基礎上，應用matlab對舵機系統和加載系統進行頻域分析，利用20 - sim軟體完成對系統的時域模擬，並採用結構不變性原理來抑制多餘力干擾，改善系統的加載性能。
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