The main products has: DSP series intelligent digital frequency shift, radio speaker series, the interface microphone series, meeting series, wireless microphone series.
主要产品有：DSP智能数字移频系列、广播音箱系列、界面麦克风系列、会议系列、无线麦克风系列。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。
It is an important technology to shift the frequency in digital vocal (musical) signal processing.
频移处理是数字语音(音乐)信号处理中一项十分重要的技术。
For the conventional modulation and demodulation of Minimum Frequency Shift Keying (MSK), the new models for modu - lation and demodulation on digital MSK based on VHDL are developed.
针对传统的最小频移键控(MSK)的调制解调方式，提出一种基于甚高速硬件描述语言(VHDL)的数字式MSK调制解调模型。
The minimum (frequency) shift keying (MSK) is a digital modulation with good performance.
最小频移键控（MSK）是一种性能较优的数字调制。
The Frequency Shift Keying modulation is widely used in HF digital communication.
控是短波数字通信中常用的一种调制方式。
Dsm dsp frequency feedback controller is made of dsp shift frequency and dsp automatism digital filter. dsp software searches howl point and lock it by locale condition with no adjusting.
dsp数字移频反馈控制器，由dsp数字移频-dsp自动数字滤波器组成，根据现场环境dsp软件自动寻找啸叫点并锁定，无需人工调节。
In the paper, a novel instantaneous frequency measure method, which is applicable for the frequency measure system of frequency hopping radar, is presented according to the digital phase-shift theory.
本文根据时钟数字移相原理，提出了一种新的瞬时测频方法，适用于捷变频雷达测频系统。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
Digital mod technology in the digital communication occupies a very important position, commonly used digital modulation are: frequency shift keying (FSK) and phase-shift keying (PSK), and so on.
数字调制解调技术在数字通信中占有非常重要的地位，常用的数字调制有：移频键控(FSK)和移相键控(PS K)等。
Digital mod technology in the digital communication occupies a very important position, commonly used digital modulation are: frequency shift keying (FSK) and phase-shift keying (PSK), and so on.
数字调制解调技术在数字通信中占有非常重要的地位，常用的数字调制有：移频键控(FSK)和移相键控(PS K)等。
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