中频,intermediate frequency
1)intermediate frequency中频
1.The designed analysis of 50kWintermediate frequency generator;50kW中频发电机设计分析
2.Designing of the Intermediate Frequency Source for Electric Heating Oil Recovery;电加热采油中频电源设计
3.Key Techniques of Channel Simulation System for Intermediate Frequency;中频信道模拟系统关键技术的研究
英文短句/例句
1.video frequency/IF/RF pre-correction视频、中频、射频预校正
2.Intermediate frequency amplifier center frequency中频放大器的中心频率
3.The middle part of an audio frequency.中声频，中频声波频率的中间部分
4.VHF television IF strip甚高频电视中频部分
5.sound IF amplifier tube声频信号中频放大器
6.swept IF type spectrum analyzer扫中频式频谱分析仪
7.2.4GHz CMOS Zero-IF Receiver;2.4GHz CMOS零中频射频接收机
8.I.F. (intermediate frequency)中频（千周30～3000/秒）
9.Application of Digital Up-Converter in IF Digitalization数字上变频器在中频数字化中的应用
10.The Research of the Downconverter of the Intermediate Frequency(if) Digital Receiver;中频数字化接收机中的下变频器研究
11.Low and intermediate frequency instability models are taken up first.首先处理低频和中频不稳定性的模型。
12.Our teams have notched up a number of wins in the tournament.我们的运动队在这次联赛中频频获胜。
13.Design of CMOS RF Circuits for a Zero-IF Transmitter;一种CMOS零中频发端射频模块电路设计
14.Research on UHF RFID Reader if Scheme;UHF频段RFID读写器中频方案研究
15.center frequency中心频率未调制频率
16.Variable Dividers in Frequency synthesizer of Rb Frequency Standard用于铷频标频率综合器中的可变分频器
17.Design of Frequency Hopping Synthesizer in Frequency Hopping Transceiver跳频收发系统中的跳频频率合成器设计
18.He served the ball out quite often in this set.在这局中他频频发球出界。
相关短句/例句
medium frequency中频
1.Design ofmedium frequency transformer of arc welding inverter;逆变弧焊电源中频变压器的设计
2.Practice of Raising Melting Rate of Medium Frequency Coreless Induction Furnace;提高中频无芯感应电炉熔化速度的实践
3.Effects ofmedium frequency current on the convalescence of facial paralysis;面神经麻痹半年后的中频电治疗观察
3)IF[英][?f][美][?f]中频
1.The principle and implementation ofIF signal quadrature demodulating;中频信号正交解调原理与实现
2.A FPGA-Based Microwave Landing SystemIF Receiver;基于FPGA的微波着陆系统中频接收机
3.Design of CMOS Variable GainIF Amplifier for DVB-T Tuner;应用于DVB-T调谐器的CMOS可变增益中频放大器设计
4)mid-frequency中频
1.Preparation of light-induced hydrophilic TiO_2 thin films by reactivemid-frequency magnetron sputter;中频反应磁控溅射制备具有光致亲水性TiO_2薄膜
2.Plasma Characteristics of Mid-frequency Dual-targets Magnetron Sputtering System and Oxide Films Deposition Research;中频孪生磁控溅射等离子体特性与氧化物薄膜沉积研究
3.Amorphous WO_3 electrochromic films are deposited by advancedmid-frequency dual-target magnetron sputtering method using pure tungsten as targets.采用先进的中频孪生非平衡磁控溅射技术,以金属钨为靶材,制备非晶态WO3电致变色薄膜。
5)medium-frequency中频
1.Prediction onmedium-frequency induction quenching of steel based on improved BP network algorithm;基于改进BP算法的中频淬火工艺参数预测
6)middle frequency中频
1.A blind watermark scheme replacing the coefficients ofmiddle frequency in DCT domain is proposed.该文提出的置换DCT域中频系数的盲水印算法不仅突破了传统的水印嵌入公式,如加性算法,而且很好地解决了被提取水印中含有原始图像DCT系数,从而影响检测准确性的问题,并给出了验证。
2.Result Heating atmiddle frequency lowers 10-20 kW and saves 20% power when compared with high frequency.结果中频电加热比工频电加热功率平均降低 10～2 0 k W,平均节电率达到 2 0 %。
3.A new Variable Voltage Variable Frequency(VVVF)middle frequency supply is introduced based on the intellectualized single chip ATmega128.基于ATmega128单片机的智能化特点,设计了一种新型变压变频中频电源。
延伸阅读
中频1.高于低频﹑低于高频的电磁振荡，其范围一般是10－550千周。在超外差式收音机中，由收音机本身产生的振荡和接收到的高频混合而取得中频。
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