intermediate frequency 中文意思是什麼

intermediate frequency 解釋
【無線電】中頻。

  • intermediate : adj 中間的，居間的。 The intermediate class （船的）特別三等。 An intermediate compound 中間化合...
  • 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。
  1. We possess accurate processing equipments, such as hydrogen making equipment, reducing furnace, isocratic press machine, 500t capacity hydraulic machine, intermediate frequency induction furnace, high or low temperature fritting durance and forging equipment, which forms whole production line

    公司擁有制氫裝置、系列制粉還原爐、等靜壓力機、 500噸油壓機、中頻感應爐、高低溫燒結爐、鍛造設備及精密加工設備。
  2. Low and intermediate frequency instability models are taken up first.

    首先處理低頻和中頻不穩定性的模型。
  3. Intermediate frequency instability has had the most uneven history.

    中頻不穩定性的研究經歷了極為曲折的道路。
  4. Heating principle of intermediate frequency induction furnace and some factors affecting its power factor are discussed, some betterments that parallel connection spacer circuit is replaced by interfusion connection spacer circuit are put in practice

    摘要對中頻感應爐的加熱原理以及其功率因數的影響因數進行了探討，並將不能恆功率輸出的並聯逆變電路改進為混聯逆變電路。
  5. Low or intermediate frequency combustion instability generally involves the interaction of several components of an engine system.

    低頻或中頻燃燒不穩定性通常包含發動機系統中幾個組件的相互作用。
  6. Intermediate frequency transformers for broadcast receiver

    收音機用中頻變壓器
  7. Intermediate frequency of radio receiver for broadcast

    廣播用無線電接收機的中間頻率
  8. Talking about picture intermediate frequency of tv receiver

    電視接收機圖像中頻的探討
  9. Intermediate frequency for television receivers

    電視接收機用中間頻率
  10. Design and realization of a digital - intermediate frequency receiver

    一種數字中頻接收機的設計與實現
  11. 13 one suit of intermediate frequency power

    13中頻電源一套
  12. Intermediate frequency of fm receivers

    調頻接收機中間頻率
  13. There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product

    建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。
  14. Digital intermediate frequency system is one of the hotspots in radio communication and military research, it provided a superexcellent way for high - speed double direction digital communication

    數字中頻系統是當前軍事與移動通信領域的研究熱點之一，它為高速雙向無線數據通信提供了思路與方案[ 1 ] 。
  15. Sanfeng electrical equipment co., ltd. is a professional manufacturer which products hf, solid hf, intermediate frequency, supersound frequency induction heating equipment, intermediate frequency overall anneal equipment and the installation of all - digital dc governor

    經營高頻焊管全套設備及其配件保定市三豐電器有限公司是專業生產高頻固態高頻中頻超音頻感應加熱設備中頻整體退火設備和全數字直流調速裝置的專業廠家。
  16. Intermediate - frequency transformers and oscillator coils for transistorized amplitude modulation broadcast receivers

    半導體調幅廣播收音機用中頻變壓器及振蕩線圈
  17. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制，目前的軟體無線電系統多採用折中的實現方案，增加專用的數字變頻器或者運行數字變頻演算法，將射頻信號變頻到中頻，然後再進行基帶信號處理，這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ，它並不是真正意義上的軟體無線電。
  18. After establishing the model of intermediate frequency direct sequence spreading spectrum ( if dsss ) receiver, comparing and analyzing several conventional code acquisition methods, code and carrier two - dimension fast acquisition scheme based on two - dimension fft is proposed. finally, the situation for two targets is analyzed

    首先在建立了中頻直擴接收機的模型之後，本文對常用的偽碼捕獲方法進行了詳細地分析和比較，然後提出了本文的基於二維傅立葉變換技術的快速捕獲方法，並且分析了兩個目標時的情況。
  19. Intermediate frequency furnace ? continuous casting billets ? heated by heating furnace ? rough rolling ? head and tail end cutting ? intermediate rolling ? head and tail cutting ? finish rolling ? water cooling treatment ? multiple - length cutting and dividing ? cooling on the cooling bed ? cutting - to - length by cold shear ? collecting and bundling ? to warehouse

    中頻熔爐連續的鑄件鋼坯重復加熱的熔爐粗軋頂端和尾端切斷中間壓軋頂端和尾端切斷完成壓軋水冷處理多功能的長度切割和分段在冷床上冷卻冷卻后冷剪長度聚集捆包運到倉庫。
  20. When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt

    上電復位后，晶元處于接收狀態，工作在突發模式下，採用dpsk調制方式，將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調，通過中斷將解調完的基帶信號送入單片機處理；處于發送狀態時，可將數據擴頻、調制，經ad9768送出。
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