查询词典 transmission channel

The realization monolithic integrated circuit system double audio frequency, this radio has used double audio frequency decoding chip MT8870, demodulates the tonic train signalling from the frequency-modulated signal, and separates the double tonic train signalling from the tonic train signalling to enter the double audio frequency decoding electric circuit implementation letter command to decode, thus carries on the low gear rate using the frequency modulation channel the control command transmission.

为实现单片机控制的双音频解码，本收音机采用了双音频译码芯片MT8870，从调频信号中解调出音频信号，并从音频信号中分离出双音频信号进入双音频解码电路实行信令解码，从而利用调频信道进行低速率的控制指令的传输。

The transmission is conducted in the form of action potentials along the axon of DRG neuron to the presynaptic membrane in spinal dorsal horn. Action potential depolarizes the presynaptic membrane and activates the voltage-dependent Ca〓 channel. The influx of Ca〓 then triggers the release of neurotransmitter.

外界感觉信息以动作电位的形式沿DRG细胞轴突由外周传向DRG细胞在脊髓背角的突触前膜，导致细胞膜去极化，引起电压依赖性〓通道的开放，〓内流介导突触前膜神经递质的释放，从而完成感觉信息由外周向脊髓的传递。

In a direct market-based financial system, as the result of the diversification of financial assets, the channel of monetary policy transmission diversifies.

在银行信贷是企业唯一外部融资方式的环境下，间接货币政策工具可以影响但不会限制银行自主经营的行为，而直接货币政策工具不仅影响而且限制银行的自由经营行为，银行冲抵政策变化影响的能力相对较弱。

In terms of channel coding, a frame-level unequal error protection scheme and performance estimation model for wireless video transmission is proposed, and a novel algorithm for video data packeting is presented.

利用这些预测公式，通过少量计算便可以较为准确的预测H.264输出码流的码率和恢复质量；在信道传输方面，本文主要提出了一种帧级不平等保护策略及其编码质量的预测算法以及一种新型的数据打包方法。

First of all, a station estimates the congestion condition periodically and piggybacks its congestion information within the transmission packets. After an AP receives the information, it has a complete picture of the channel utilization. Then it uses SyncScan mechanism to send the congestion information to the stations with the Beacon frame.

首先我们使用壅塞情况的预测，让所有的工作站周期性的侦测目前通道壅塞的状况，并且将目前侦测到的壅塞情况的资讯附加在封包中传送出去，在附近的AP收到这些讯息后，利用同步化扫描的方式，将它所收集到的通道的资讯附加在Beacon的封包中，当STA接收到Beacon后，会把通道资讯储存在比较表内。

After transformation,line protection can select phase correctly when cross country fault occurs,the transmission of protection signals can be more reliable and rapid in optic fiber channel,to provide more.

改造后，线路跨线故障时保护能正确选相，保护信号通过光纤通道能更可靠快速地传输，为500 kV线路更加安全稳定运行提供保障。

With its extensive use in many fields, it's reasonable and suitable for us to use it.This paper researches on the subjects of the routing algorithm, the security of system and the process scheduling. We will also focus on the wireless data transmission between FMU and ammeters through the ISM channel so as to realize the whole system.

本文主要研究了路由算法，系统所需要的安全技术和任务调度，在公用ISM频段上实现电表与集中器之间的无线通信数据传输，从而实现整个无线采集系统。

Based on statistics states for source coding and study of a design of CDMA structured codebooks, the paper also presents the basic set-up of side information-aided at decoder, and approaches a good transmission performances under low-WNR and high-WNR that corresponds to the attack channel ambiguity.

该方法在分析信源编码的统计基础上，通过研究CDMA结构性码本的设计条件，在接收端利用边信息辅助解码，达到了在攻击信道条件下，适应于高低WNR环境的数据隐藏通信模式。

For meeting the needs of automated real-time dynamic monitoring of heavy fog events by means of a weather satellite remote-sensing technique for specialized meteorological services like military operations and highway traffic, the paper presents a systematic study of spectral characteristics of visible and infra red light, the textures and dynamic dispersals of fogs on satellite imagery in the context of theory on the transmission of atmospheric radiation, thereby revealing their abruptness, waviness and mass-like features, which, in combination with a synthetic technique for cloud/fog maps of multi-channel remote-sensing spectra are used to set up a model for automatic separation of fogs from clouds based on the integrative application of spectral features and texture structures, for which are constructed corresponding discfiminant functions and criteria, and on this basis prepared is a"system for remotely-sensing monitoring of low cloud and heavy fog"which has been used for tests, with the main conclusions shown as follows.

本文针对军事和高速公路等专业气象服务中应用气象卫星遥感技术对大雾进行自动化实时动态监测的实际需要，从大气辐射传输理论入手，系统地研究了气象卫星遥感图像上云雾的可见光和红外光谱特征、纹理结构特征和大雾的消散动态特征，揭示了雾的突发性、波动性和团状雾特性，通过研究多通道遥感光谱的云雾图像合成技术，建立了综合应用光谱特征和纹理结构特征的云雾自动分离模型，给出了相应的判别函数和判别准则，研制了&低云大雾遥感监测系统&，并进行了实际应用试验。

OFDM is actually one kind of multi-carrier modulation .and the main idea of OFDM is Channel will be divided into several subchannels orthogonal,and then turn High-speed data signals into parallel low-speed data-flow , modulation in each of the subchannels on transmission.

OFDM技术实际上是多载波调制的一种。其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了