Objective To investigate the effects o ultrashort wave and low-medium frequency electrotherapy on the patients with disc hernia after surgery.
目的观察超短波联合低中频电治疗腰椎间盘突出症术后神经功能恢复的临床疗效。
A Novel Image Cancelling Algorithm for Low-IF Scanners;
低中频扫频接收机中的一种去镜频干扰方法
Design and implementation of a 5th Butterworth LPF in Low-IF GPS receiver
低中频GPS接收机中低通滤波器的设计与实现
9GHz down-conversion CMOS mixer with a novel folded Gilbert cell,intended for use in GSM1900(PCS1900) low-IF receivers,is fabricated in a RF 0.
介绍了一种0·18μm CMOS工艺基于GSM1900(PCS1900)标准低中频接收机中的混频器。
An RF front-end circuit for a fully integrated CMOS DTV tuner is presented in this paper,where double-conversion low IF architecture is employed.
该电路采用二次变频低中频结构,集成了低噪声放大器、上变频混频器、下变频混频器等模块。
Reduction of low frequency concepts in the concept drift based on the frequency
基于频度的概念漂移中低频概念的消减
Medium and low frequency underwater acoustic signals detecting with laser interferometry
中低频水下声信号的激光干涉法探测
lowmedium frequency radio range
低中频无线电导航信标
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。
APPLICATION OF ZOOM FFT TECHNIQUE TO DETECTING EM SIGNAL OF SLF/ELF
频率细化技术在超低频/极低频电磁信号检测中的应用
Design and implementation of a 5th Butterworth LPF in Low-IF GPS receiver
低中频GPS接收机中低通滤波器的设计与实现
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。
Study of Resonant Frequency in Diagnosing of Low Conductive Hearing Loss;
传导性低频听力损失患者中耳共振频率的研究
Low-IF receiver using frequency adjustation and phase cancellation
频域校准相位抵消法的低中频接收机设计
EFFECT OF EARTH RESISTIVITY ON ELF/SLF TRANSMISSION TECHNIQUE
大地电阻率在超低频/极低频电波传播技术中的作用
The Longitudinal Distribution of Atmospheric Low-frequency Oscillations in Middle-High Latitude and the Impacts Affected by ENSO Events;
中高纬低频振荡的经向分布特征及ENSO事件对低频振荡的影响
FEATURES AND DRIVING MECHANISM OF MID-LOW LF WAVE IN SUMMER
夏季中低纬低频波的活动特征和驱动机制
Low Noise Low Power CMOS Radio Receivers Design for Wireless Communication;
无线通信中低噪声低功耗CMOS射频接收芯片设计
Determination of the Low Carbon and Low Sulfur in the Steel and Iron with the High Frequency Burning-Infrared Absorption Law;
高频燃烧-红外吸收法测定钢铁中低碳低硫
Quad FM4- Very nice midrange, good resolution, extended treble, rolled off bass.
国都FM4，非常华丽的中频，很好的解析力，高频延伸好，低频比较收敛。
This paper presents the methods of reducing medium frequency generator noise.
本文给出降低中频发电机噪声的方法。
A Slow Frequency Hopping (FH) Synchronization Method and Experimental Simulation
一种中低速跳频同步方案及模拟实验