調諧天線 的英文怎麼說
中文拼音 [diàoxiétiānxiàn]
調諧天線
英文
tuned antenna-
In addition, this paper numerically investigated the influence of the lumped parameters of the gunn diode on the frequency of the oscillation, and the tuning techniques of the oscillation frequency of the active antenna
本文還利用fdtd法數值研究了gunn二極體的集總參數對振蕩頻率的影響以及有源天線振蕩頻率的調諧技術。Ati aerial tuning inductance
天線調諧電感Aerial tuning inductor
天線調諧線圈Antenna automatic tuning
天線自動調諧Thin films of ferroelectric materials can be developed to present very few losses and add no significant weight to the antenna structure. the permittivity of these materials changes with an applied dc voltage ; and this change can be used to control the resonant frequency of an antenna
將鐵電材料應用到天線的設計中,外加直流偏壓可以控制鐵電材料的介電常數,從而控制天線的諧振頻率,這樣就可以製作出可調諧天線。General specification for antenna couplers
天線調諧器通用規范Design of a novel automatic antenna tuning coupler in hf communication
一種新的短波自適應天線調諧器的設計Antenna tuning indicator
天線調諧指示器Implementation of a far - field antennas automation measurement system
天線調諧裝置自動測試系統Methods of measurement on receivers for satellite broadcast transmissions in the 12 ghz band - electrical measurements of overall performance of receiver systems comprising an outdoor unit and a dbs tuner unit
12ghz頻帶衛星廣播接收機的測量方法.第3部分:接收天線系統包括戶外裝置和dbs調諧裝置通用性能電測量Methods of measurement on receivers for satellite broadcast transmissions in the 12 ghz band ; part 3 : electrical measurements of overall performance of receiver systems comprising an outdoor unit and a dbs tuner unit
12ghz頻帶衛星廣播接收機的測量方法.第3部分:接收天線系統包括戶外裝置和dbs調諧裝置總性能的電測量This thesis presents the theoretical analysis about the design of the tunable antennas with multilayered structure theory and microstrip antenna ' s analytical methods. and it improves three typical kinds of antennas, and uses the voltage controlled ferroelectric materials. we analyze the tuning features of the antenna by simulation under the condition of different permittivity of the ferroelectric materials, and discuss the feasibility of improvement from microstrip antenna to tunable antenna
本文結合多層介質理論及微帶天線的分析方法對可調諧天線進行理論分析,並對矩形貼片天線、圓形貼片天線、微帶振子天線三種典型的微帶天線結構進行改進,引入壓控鐵電薄膜材料,模擬分析在改變鐵電薄膜介電常數條件下天線的調諧特性,討論微帶天線改進為可調諧天線的可行性。This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element
這種陣列反射天線具有反射天線和陣列天線共同的優勢,它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列,然後由一個饋源照射這個天線,通過調節介質板上每個單元對于入射波的散射相位,使得反射波在特定的方向實現同相位,發射出方向性極強的筆形波束。Aerial tuning coil
天線調諧線圈At last we make a conclusion about design methods of tunable antenna that could be a valuable reference to practical work
文章最後對可調諧天線的設計方法步驟進行了總結,可以在實際設計中作為參考。This eliminated the need to have many antennas, thus reducing the required area for the antennas and effects of co - site interference
使用可調諧天線可減少系統中天線的數量,節省空間,且有利於電磁兼容。But nowadays the research works about the tunable antenna are still underway, and there is still no report about practical product of it
作為一種新技術,鐵電薄膜可調諧天線目前尚處于研究的初期階段,還沒有相關實用產品出現。Antenna tuning house
天線調諧室The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability
鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件,如相控陣天線上的移相器,諧振器,濾波器等。Antenna tuning motor
天線調諧電動機分享友人