传输

Large systems and computer networks typically use more sophisticated methods of transmission, such as synchronous or bisynchronous, because of the large overhead penalty of 20% in asynchronous transmission.

大型系统和计算机网络通常使用更为复杂的传输方法，例如同步或双同步。异步传输中存在超过20%的传输损失。

The relates to the prevention of channel package losing in audio code transmission, featuring in the BCH encoding for each audio parameter for barrel shape displacement superposition, packing and channel transmission.

抗信道恶劣丢包伴随误码的语音编码传输方法属于语音编码传输抗差错技术领域，其特征在于，该方法在编码端对语音参数码流分组并对每个分组进行BCH编码，然后对信道编码后的数据分组进行桶形移位联合叠加，打包合路送信道传输。

According to the high need of multi-channel cardiograph testing instrument for the wide bandwidth of data-transmitting interface of PC interface, adopted USB2.0's 480Mbps high-speed data-transmitting mode, described a data-transmitting interface design of USB2.0 which is based on microprocessor ADSP2188 and USB interface chip CY7C68001 of EZ-SX2 series, and make a detail dissertation about the key technique of the design in hardware and software .

针对多通道心电测试仪对PC机接口提出的高数据传输带宽的要求，采用USB2.0规范推出的480Mbps的高速数据传输模式，介绍了一种以数字信号处理器ADSP2188为外部微控制器，以EZ-SX2系列USB接口芯片CY7C68001为接口控制芯片的USB2.0数据传输接口设计方法，并对软硬件设计上的关键技术作了详细的论述。

The inertial navigation system is needed in the development of navigation, aviation and spaceflight. Communication system is one of the most important part in the data transmission of inertial alignment, the veracity, anti-interference and secrecy of which has an impact on the navigation, especially for data transmission between the aircraft carrier and carrier plane.

航海、航空和航天事业的迅速发展离不开惯性导航系统，惯性初始对准数据的传输离不开通信系统，而数据传输的准确性、抗干扰性、高保密性是事关导航的关键，其中在航母与舰载机之间数据传输的可靠性、保密性尤为重要。

Then, the characteristic of DMS parameters transmission evolving in dispersion map, which including amplitude, width, chirp and energy of pulse, are studied. With help of the numerical methods, it not only can be validated the results of guiding. center "breathing" soliton transmission theory, but also proved that robustness of DMS in changefully averaged dispersion value line.

结合数值计算方法研究了DMS参量如幅度、脉宽、啁啾以及脉冲能量在色散管理周期内演化特性，该结果传输系统的稳定传输的特性，从而不但验证了导引中心"呼吸"孤子传输理论的结果，而且证明DMS在不同的平均路径色散条件下的鲁棒性。

Researched influence of frequency on characteristic of electromagnetic wave transmission in tunnels, and analyzed characteristic of electromagnetic wave transmission in circular, arches and curved tunnels by method of metal wave guide, and gives approximate formulas of attenuation rate. Main conclusions we obtain are as follows: in circular,rches tunnels, if frequency is higher, attenuation rate is smaller, it is beneficial for EM waves to transmit, in curved tunnel, higher frequency, more attenuation rate ...

研究了频率对井下电磁波传输特性的影响，采用金属波导法分析了圆形、拱形及弯曲隧道中电磁波的传输特性并给出衰减率近似公式，得出主要结论：在圆形和拱形隧道中，频率越高，衰减率越小，越有利于电磁波的传播；在弯曲隧道中，频率越高，衰减率越大，不利于电磁波的传播；通过特性曲线与井下实验数据相比较得出在900MHz左右为井下无线通信系统传输信号最佳频段。

A mathematical upper bound of the modulation index for nonlinear distortionless transmission of wireless signal over fiber was derived according to the speciality of analog optical link modulation process.

3通过具体分析马赫—曾德调制器非线性失真的原因和所导致的影响，根据模拟信号光纤传输链路光载波信号的调制特点，推导出无线光传输链路进行信号无失真传输的光调制指数上限。

Each of the converting elements generates signal charge. K transfer electrodes (k is a positive integer more than 1) are provided for each of the photoelectric converting elements in the column direction. 2k signal lines are connected to the transfer electrodes for adjacent two of said photoelectric converting elements. The 2k signal lines are used to supply driving clock signals to the transfer electrodes for the adjacent two photoelectric converting elements, respectively.

每一个转换单元用于产生信号电荷。K个传输电极（K是大于1的正整数），被提供来用于在行方向中的光电转换单元的每一个。2K条信号线，接到该传输电极，以便邻接两个该光电转换单元，并且用于把驱动时钟信号分别地提供到用于两个相邻的光电转换单元传输电极。

Recently, mud pulse modulate means of wireless has been paid attention; current transmitter technology also has been more and more extensively used in industry condition, because of its stronger anti-jamming and farer transmission distance.

近年来，无线传输中的泥浆脉宽调制方法引起各方关注，电流环技术由于它的抗干扰性强、传输距离远，也越来越多的被应用在工业环境的信息传输中。

The propagation of cosh Gaussian beams through a first order paraxial optical system with rectanglar hard aperture is studied. By using the expansion of the rectangle function into a finite sum of complex Gaussian functions a closed form propagation equation of cosh Gaussian beams is derived.

对双曲余弦高斯光束通过有硬边光阑的一阶ABCD光学系统的传输进行了研究，采用将矩形域函数表示为复高斯函数叠加的技巧，推导出了解析的传输公式，在特殊情况下，该公式简化为在无光阑情况下的传输公式。

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