1.
One method is to filter the signal bef ore transmitting it in the channel in the low-frequency part of the chaotic sys tem.
一种改进的方法是在发射端用滤波器滤去混沌信号的高频部分 ,只传输低频部分。
2.
Simultaneously we append a high frequency amplifier in the high frequency sector, in order to recover the reduction of the gain in the new system.
同时，在改进后雷达的高频部分增加高频放大器，以抵消天线改进后引起的增益下降。
3.
VHF television IF strip
甚高频电视中频部分
4.
Basic Composition and Maintenance of the High-voltage Part in Middle Frequency and High-Frequency X-ray System
中、高频X线机高压部分的基本组成及检修
5.
Ultra-high Frequency Detection and Analysis for Partial Discharge in High-voltage Cable Accessories
高压电缆附件局部放电超高频检测与分析
6.
Audiometers Part 4: Equipment for extended high-frequency audiometry
GB/T7341.4-1998听力计:第4部分延伸高频测听的设备
7.
In the majority of cases, most of these partials are of very high frequencies.
在大多数情况下，大部分泛音的频率非常高。
8.
Simulation and Analysis on the Internal Fault of High-Frequency Transformer of EPT;
EPT中高频变压器内部故障的仿真和分析
9.
Field Test Analysis of On-line VHF PD Monitoring for Generators
发电机局部放电甚高频在线监测现场试验分析
10.
Envelope Analysis and Defects Identification of Partial Discharge UHF Signals in GIS
GIS局部放电超高频信号的包络分析与缺陷识别
11.
The middle part of an audio frequency.
中声频，中频声波频率的中间部分
12.
The digital portion includes low-frequency video, the pulses that keep receivers synchronized with transmitters, and the audio signal for high-quality stereo sound.
数字部分包括低频视频(使接收机与发射机保持同步的脉冲)以及用于高质量立体声的音频信号。
13.
high frequency analysis
高周波分析，高频分析
14.
The high-speed digital-to-analog conversion circuit is the core of a high-speed audio cassette duplicator.
高速的D/A转换电路是高速音频复录设备的核心部分。
15.
A Matrix Analysis of the Spectral Evolution of Partially Coherent Light in Gaussian Resonator;
高斯光腔中部分相干光频谱演化特性的矩阵分析
16.
An Efficient Algorithm for Mining Frequent PartialPeriodicity Patterns in Time Series Database;
从时序数据库中挖掘频繁部分周期模式的高效算法
17.
High-Resolution Widen Frequency Processing Technology Research in Ta112 Area in the North of Songliao Basin
松辽盆地北部塔112工区高分辨率拓频处理技术研究
18.
Study on Fourth-Order Fractal Antenna and Signal Processing and Recogntion for UHF Monitoring of PDs in Power Transformers
变压器局部放电超高频监测四阶分形天线与信号处理及识别研究