移頻器 的英文怎麼說
中文拼音 [yíbīnqì]
移頻器
英文
frequency mover-
Jhs - m shift frequency feedback controller is made of digital shift frequency and four sect parameter balance with two routes balance and no balance input end
Ds - m數字移頻反饋控制器:海之升數字移頻反饋控制器性能簡介Middle conference room six microphone : jhs - d shift frequency aptitude transmitter mixer 1 6 set conference microphone hc - 808 bigger conference room 12 set microphone jhs - d shift frequency aptitude transmitter mixer 2 12 set conference microphone hc - 808
中小會議室六支麥克風: jhs - d型移頻智能話筒混音器1臺6支會議麥克風hc - 808Jhs series power ampilifier is a new generation equipment of teaching power amplifier, which can restrains howl and can increase plus by 6 - 10db. the distance of picking up sound can be increased to 3 - 6 meters. if only you install three or four pcs of interface mike, the scope of picking up sound can cover with all over the platform without any equipment and you can prelect
Jhs教學型數字移頻擴聲器是新一代教學擴聲設備，它能夠有效的抑制擴聲嘯叫，提高傳聲增益6 - 10db ，話筒的拾音距離提高到3 - 6米，只需在教室安裝3 - 4支界面話筒，拾音范圍就能覆蓋整個講臺，無需攜帶任何設備，即可進行講課，使演講者徹底擺脫話筒的束縛，擴大了演講者的活動范圍Verification regulation of low frequency phaser shifter
低頻移相器試行檢定規程Frequency transposition algorithm in hearing instruments
移頻助聽技術與移頻助聽器2. chairman unit goes with a set of earphone with reprehensive unit
網路實名：海之升數字移頻器Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on
與普通矩形波導相比，脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點，使其得到了越來越多的應用，例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。It can directly control and drive the stepmotor and dc servomotor, and it can control the ac servomotor by controlling the ac transducer, and it also has the function of detecting the feedback position signal of photoelectric coder and induction phase shifter
它能直接控制和驅動步進電機和直流伺服電機，並可通過控制交流變頻器對交流伺服電機進行控制，而且具有光電編碼器和感應移相器位置反饋信號檢測功能。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。In order to meet the requirement of phase - error and physical dimension, high - pass / low - pass filter phase shifter and solid - structure are applied in the design of if broad - band five - bit digital phase shifter
考慮對相位誤差和物理尺寸的要求，中頻寬帶五位數字移相器採用高通/低通濾波器形式和立體結構進行設計。Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm
最後，對加工出的毫米波四位數字移相器進行了測試，測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內，最大相移誤差小於10 ，插入損耗小於10 . 74db ，輸入輸出回波損耗大於- 14 . 88db ，整個電路尺寸為80mm 35mm 20mm 。Several simulations for the designed phase shifter were performed in hp - ads. various factors were considered in influencing the insertion loss and the phase shift of the phase shifter. some effective measures were put forward to improve its performance
採用高頻電磁模擬軟體hp - ads對設計的移相器進行模擬，分別考察了移相器各組成部分對插入損耗和移相度的影響，並提出了改進移相器性能的措施。Impact will allow you to hear the high frequency speech cues that traditional amplification does not
「移頻」可以使您聽到並辨別傳統助聽器無法使您聽到的高頻語言聲。There are three controlling signs for output : the displacement of casting roller, the casting temperature, the surface height of melting pool. the executing element for rotate speed is the frequency conversion
三個控制信號，即三路輸出，分別為：鑄輥轉速、鑄輥位移、熔池液面高度，控制轉速的執行元件為變頻器，位移和熔池液面高度都用伺服閥進行控制。T / r module is a functional module for the new radar, that is active phase control array radar, and t / r nodule system - integrates high frequency switches, phase shifter, lna and power amplifier, etc. if using low cost thick film technology to manufacture t / r module, it will be benefit to accelerate the applicants and development of the active phase control array radar
T r模塊是實現新型雷達? ?有源相控陣雷達需求的功能模塊，它系統地集成高頻開關、限幅器、移相器、 lna及功放等。利用厚膜的廉價成膜工藝技術製作t r組件模塊，則有利於加速有源相控陣雷達的應用與發展。Traditional feedback exterminating means include improving rooms ’ acoustic property, cascading equalizers or frequency - shifters in the sound amplifying link, etc. nevertheless, these means are inconvenient to operate and cause unnecessary decrease of gain and sound fidelity
傳統的聲反饋抑制方法，包括改善房間聲學環境、在系統中串聯均衡器或移頻器等。但這些方法操作不便，對音質損傷大，而且傳聲增益提高甚微。Due to the good performance of gaas devices of high frequency, high electron mobility and low noise, the high frequency devices are mostly made of gaas materials now
由於gaas器件優良的高頻、高電子遷移率、低噪聲性能，所以現在高頻器件一般都選用gaas材料。Csl series sound pole surface mike series special microphone
Jhs - d移頻智能話筒混音器During the 10 months of project implementation, a team to support the business in all aspects were recruited, a factory dedicated to electronic product manufacturing was designed and installed, sap was implemented to cover all the scope of business, technology of atv28 was transferred from the original factories ( tsij in japan and semb in indonesia ) - a range of drives for simple oem machines
短短10個月，他們招聘並組建了一個新的團隊，設計並建成了專業的電子產品製造工廠，並在所有的業務領域都運用了先進的sap管理系統。 ssd生產的第一批產品是適用於簡單oem客戶需求的變頻器產品atv28系列，將其技術從母工廠（日本的tsij和印度尼西亞的semb ）轉移並通過質量確認后， ssd已經達到atv28的規模生產能力。It is presented that the theory and the manufacturing technology of such analog phase shifter, which are made from conventional 3db quadrature hybrids coupler with two identical varactor - diode networks to provide a shifted phase that varies continuously with biased dc voltage. several analog phase shifters have been made for different operating frequencies. each phase shifter has phase range more than 180, return loss better than - 20db, insertion loss 4. 8db including 3db attenuator, transmission difference less than0. 075 db. computer code phases. bas can present the referenced component values
介紹了利用鐵氧體磁環製作窄帶3db耦合器的原理和方法，詳細分析了利用此耦合器設計製作模擬壓控移相器的理論和製作技巧，以及所製作的多種頻率的壓控移相器的測試技術指標和實際運行情況。分享友人