OFDMA is based on the idea of frequency-division multiplexing, which is a method to transmit multiple data streams over a channel.
OFDMA是根据频分多路传输系统的思想，这是一种在一个频道上传输多个数据流的方法。
In wireless technology, collision occurs when two transmitters transmit at the same time with the same modulation scheme on the same frequency.
在无线技术中，冲突发生在两个发射器在相同的时间、相同的频率发送相同的调制方式。
For improving the SNR and the reducing transmit power of the SAR simultaneously, airborne SAR often use high PRF (Pulse Repetition Frequency).
机载SAR为提高信噪比并同时减少发射功率，往往使用较高的脉冲重复频率(PRF)。
Digital wireless transmit video frequency for max-range 87 kilometers.
最大距离达到87公里数字化无线传输音视频；
The MIMO systems use multiple antennas at both the transmitter and receiver to transmit signal in the same frequency band at the same time can significantly increase the channel capacity.
MIMO系统在发送端和接收端利用多个天线同时在相同的频带内传输信号，使得信道容量得到很大的增加。
With the subaperture method, data rate and radar transmit peak power can be effectively reduced, the time variant of Doppler center frequency can be resolved.
通过子孔径方法，可以有效降低数据率及雷达发射峰值功率，并可解决多普勒中心频率的时变问题。
Analog The simple way to transmit speech, which is translated into electronic signals of different frequency andor amplitude.
用于传输语音的简单方法，它们转换为不同频率和或振幅的电子信号。
An optimal algorithm based on partial transmit sequences (PTS) for reducing the peak to average power ratio (PAPR) of orthogonal frequency division multiplexing signal is presented.
提出了一种基于分割传输序列(PTS)改善正交频分复用信号峰值平均功率比(PAPR)的优化算法。
ADSL is a branch of DSL technology, but also the use of ordinary telephone lines to transmit data, but it is used in high frequency band than the voice.
ADSL是DSL技术的一个分支，同样也是使用普通电话线路来传输数据，但它使用的频率要比语音波段高。
Frequency display. The frequency display displays the currently selected transmit and receive frequency.
频率显示，频率显示所显示的是当前选择的发射和接收频率。
Digital Power line USES a network, known as a High Frequency Conditioned Power network (HFCPN), to transmit data and electrical signals.
数字式输电线使用一个网络，以一个高频率被适应的力量网络(HFCPN)著名，传送数据和电信号。
Partial transmit sequences (PTS) is a method with high complexity to reduce the Peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) system.
部分传输序列(PTS)是一种复杂度较高的减小正交频分复用(OFDM)系统峰均功率比(PAPR)的方法。
The design scheme of a RFID (Radio Frequency Identification)System is given in this paper. The backscatter modulation technique is used to transmit the data to the reader from a tag.
文中给出射频识别系统的设计方案，系统采用反向散射调制技术完成从电子标签到读写器的数据传输。
After equalization, data from one transmit antenna on all frequency tones are processed together and transformed into time domain.
单频点均衡后，联合考虑一根天线上发送数据所有频点的值，然后把他们转化到时域。
The lower frequency signals carry power, while the higher frequency signals can transmit data.
而更高的频率信号可能传送数据，更低的频率信号运载力量。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。
Modulation methods primarily through changes in the rate of sine wave, phase and frequency to transmit information.
调制的方法主要是通过改变正弦波的幅度、相位和频率来传送信息。
By monitoring system as example, Ann based on Ethernet defend the system, Ann defends the audio frequency and video information in the system to transmit the comprehensive wiring network.
本文以安防监控系统为例，提出一个建立在以太网上的安防系统，用综合布线网络传输安防系统中的音视频信息。
Traditional traveling wave differential protection needs to transmit large amount of real-time high-frequency sampling data, which is difficult for current telecommunication methods.
但传统的行波差动保护要求实时传送所有高速采样数据，目前的通信手段难以胜任；
With this system, two nearby repeaters can share the same frequency pair (for receive and transmit); so more repeaters (and hence more users) can be accommodated in a particular area.
经过这个系统，两个临近的中继器能够运用不异的频率停止接纳和传布，如许更多的中继器和挪动设备能够在统一个区域内正常工作。
In current OFDM systems, only a single user can transmit on all of the subcarriers at any given time, and time division or frequency division multiple access is employed to support multiple users.
在目前的OFDM系统中，在任何一个特定的时间，只有一个用户可以在所有副载波上进行传送；利用时分或者频分多路访问机制来支持多个用户。
It can transmit audio frequency signal and video frequency signal at the same time.
本系统能同时传送视频和音频两路信号。
In the usual sense of "2fsk" refers to the use of carrier frequency to transmit digital information.
通常意义的“2fsk”指的是利用载波的频率变化来传递数字信息。
On the 3g network, all of the cell towers use the same frequency to transmit information.
然而在3g网络中，所有的中继站用同样的频率。
Position measuring instrument and method, navigation instrument and method, information service and audio-frequency information transmit-receive method.
位置测量仪器和方法，导航仪器和方法，信息服务及声频信息收发方法。
HRR analysis did not show a significant difference in the allelic(A and G) frequency of PLA2G4A gene between transmit and untransmit(P>0.05);
单倍型相对风险分析（HRR）结果显示，传递和未传递的等位基因A、G的频数分布病例组与对照组比较差异无显著性（P>0.05）；
Simulation results demonstrate the validity of the novel labeled-delay transmit diversity scheme and the performance of the blind estimation of frequency-selective channels.
仿真结果表明了上述标签延迟发射分集方法的有效性及其信道盲估计方法的性能。
A new transmission scheme, which combines transmit preprocessing with multiuser MIMO downlink system over frequency-selective fading channel is proposed.
提出了一种适用于频率选择性衰落信道，新的下行多用户MIMO系统预处理传输方案。
The primary results show that the ultra low-frequency pulses may produce in the process of nucleation of micro-cracks and faults, and transmit to the air as infrasonic sound.
初步结果表明，微破裂的集结和断层的破裂起始会出现超低频脉冲，并透射到空气中形成次声波。
The primary results show that the ultra low-frequency pulses may produce in the process of nucleation of micro-cracks and faults, and transmit to the air as infrasonic sound.
初步结果表明，微破裂的集结和断层的破裂起始会出现超低频脉冲，并透射到空气中形成次声波。
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