It deals with IF and high-frequency signal.
提出一种针对高中频信号的宽带数字中频设计,优点是减少模拟环节,降低信号失真,减小噪声,简化电路,实现数字中频带宽、频带可调。
OBJECTIVE To study on hypoglycemic effects of high frequency Chinese medicines(HFCMs) for diabetes.
目的研究治疗糖尿病高频中药的降血糖作用。
Design and Application of a High Frequency Synthesizer in the Frequency-hop System;
跳频通信系统中高频频率合成器的设计与工程应用研究
"bandwidth:The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies."
带宽:电磁辐射频带中高频与低频之间的数值差,尤指某设定的无线电频率范围。
The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.
带宽电磁辐射频带中高频与低频之间的数值差,尤指某设定的无线电频率范围
VHF television IF strip
甚高频电视中频部分
Study on Several Problems in Ultra High Frequency Radio Frequency Identification;
超高频射频识别(RFID)中的若干问题研究
Noise Analysis of the Homodyne UHF RFID Receiver
超高频RFID零中频接收机噪声分析
high and medium frequency diagraphic meter used for television
电视机用高-中频图示仪
socket for V.H.F. medium aerial | socket for V.H.F. medium antenna
超高频中波天线插孔
Marantz2130- OK bass, midrange and treble forward and" light" sounding.
马兰士2130低音不错,中频和高频前倾,属亮声机。
Marantz 2130 - OK bass, midrange and treble forward and "light" sounding.
69马兰士2130低音不错,中频和高频前倾,属亮声机。
Research on the IF Signal Process of High Performance Spectrum Analyzer;
高性能频谱分析仪中频信号处理技术研究
Research on Intermediate Frequency Sampling System and Dither Technique in HF Radar;
高频地波雷达中频采样系统及抖动技术的研究
Research on High Frequency Structure and Dynamic Characteristics of Digital-controlled 400Hz Inverter System;
数字化中频逆变器动态特性及其高频化研究
The Application of Frequency-Tracing Technology Based on PLL for HF-Inverter Power Supply;
锁相环频率跟踪技术在高频逆变电源中的应用
Influence of Metals in Rabbit after High Frenquency Electric Therapy or Medium Frenquency Electric Therapy on Tissues Around It
中频高频电疗对兔金属内固定物周围组织影响
Application of XRD98L63 in the video signal processing of high frame rate CCD Array
XRD98L63在高帧频面阵CCD视频信号处理中的应用
High Precision Frequency Measurement Method and Its Application in Four Frequency Laser Gyros
高精度测频方法及其在四频激光陀螺中的应用
Time-frequency characteristics of the ionospheric clutters in high-frequency surface wave radars
高频地波雷达中电离层杂波的时频特征
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