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公开(公告)号：US5172396A
公开(公告)日：1992-12-15
申请号：US260184
申请日：1988-10-20
摘要： In a multiple site radio frequency simulcasting RF transmission system, data transmitted from a control point to the RF transmitter sites exhibits random time delay skew because multi-phase modems recover clock signals from an arbitrary one of the multiple phases. The outputs of the modems are temporarily stored at the sites by memory buffers. The control point derives resynchronization signals from a source data clock, this signal containing frequency and timing information. The resynchronization signal is distributed to the various sites via additional phase-stable, delay compensated channels. Each site is provided with a clock recovery circuit that recovers the original source data clocking signal from the resynchronization signal and also extracts read-out timing information from the resynchronization signal. The recovered data clocking signal and the readout timing information are used to synchronize the readout from the FIFO memory buffers--providing approximately simultaneous (coherent) readout of the same data bits from the respective buffers of the different simulcasting transmitter sites.
摘要翻译： 在多站点射频同播RF传输系统中，从控制点发送到RF发射机站点的数据表现出随机的时间延迟偏差，因为多相调制解调器从多个相位中的任一个恢复时钟信号。 调制解调器的输出由存储器缓冲器临时存储在站点处。 控制点从源数据时钟导出重新同步信号，该信号包含频率和定时信息。 再同步信号经由附加的相位稳定的延迟补偿信道分配给各个站点。 每个站点都设有一个时钟恢复电路，它从再同步信号恢复原始源数据时钟信号，并从再同步信号中提取读出定时信息。 恢复的数据时钟信号和读出定时信息用于使来自FIFO存储器缓冲器的读出同步 - 提供来自不同同播发射器站点的相应缓冲器的相同数据位的大致同时（相干）读出。
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公开(公告)号：US5680319A
公开(公告)日：1997-10-21
申请号：US450390
申请日：1995-05-25
摘要： A computer-assisted method for predicting the three-dimensional structure of a protein fragment from its amino acid sequence. A hierarchic procedure ascends the folding hierarchy in discrete stages with concomitant accretion of structure. The protein fragment may be represented by a simplified geometry and folds under the influence of a primitive energy function.
摘要翻译： 一种用于从其氨基酸序列预测蛋白质片段的三维结构的计算机辅助方法。 分级程序在离散阶段上升到折叠层次结构，伴随着结构的增加。 蛋白质片段可以由简化的几何形状表示，并在原始能量函数的影响下折叠。
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公开(公告)号：US5127101A
公开(公告)日：1992-06-30
申请号：US649049
申请日：1991-02-01
申请人： George D. Rose, Jr.
发明人： George D. Rose, Jr.
摘要： In a multisite radio frequency simulcasting transmission system involving microwave-multiplex distribution paths to several transmitting sites, each path including manually settable amplitude and time delay devices for equalization of the modulation in signal overlap areas among the various transmitter sites, an automatic simulcast alignment device is included in each distribution path whereby transmissions between a control point and each site transmitter are periodically tested and each path is compensated for amplitude and time delay variations to thus maintain equalized amplitude and time of arrival of the modulation in the transmitter site overlap areas. Thus, the instantaneous distribution of the FM modulation sidebands is maintained to be ideally identical in the signal overlap areas.
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公开(公告)号：US06245550B1
公开(公告)日：2001-06-12
申请号：US09045193
申请日：1998-03-20
申请人： Sherin S Abdel-Meguid , Rajeev Aurora , Derk J Bergsma , Catherine E Ellis , Stephanie F Guerrera , Preston Hensley , Jeffrey L Mooney , George D Rose , Peter R Young , Yuan Zhu
发明人： Sherin S Abdel-Meguid , Rajeev Aurora , Derk J Bergsma , Catherine E Ellis , Stephanie F Guerrera , Preston Hensley , Jeffrey L Mooney , George D Rose , Peter R Young , Yuan Zhu
IPC分类号： C12N121
摘要： EF-7 polypeptides and polynucleotides and methods for producing such polypeptides by recombinant techniques are disclosed. Also disclosed are methods for utilizing EF-7 polypeptides and polynucleotides in therapy, and diagnostic assays for such.
摘要翻译： 公开了通过重组技术产生这种多肽的EF-7多肽和多核苷酸和方法。 还公开了在治疗中利用EF-7多肽和多核苷酸的方法，以及用于其的诊断测定法。
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5.发明授权Method and apparatus for determining with high resolution the fidelity of information received on a communications channel 失效用于以高分辨率确定在通信信道上接收的信息的保真度的方法和装置
公开(公告)号：US5553243A
公开(公告)日：1996-09-03
申请号：US178547
申请日：1994-01-07
CPC分类号： H04W84/08
摘要： A method and apparatus for determining with high resolution the fidelity of communications over a communications channel is disclosed. Portable/mobile radios freely roaming between multiple trunked RF communications sites calculate the fidelity of communications received over current and alternate channels with comprehensive, high bit error resolution using a weighted average error dispersion procedure. The weighted average error dispersion analysis generates for each group of redundant messages (and in some instances subpreamble bits) received by a roaming radio in each message frame a weighted average error dispersion number whose incrementally increasing magnitude reflects deteriorating signal fidelity. Decisions about switching to alternate communications channels are made by the roaming radio based on the incrementally changing weighted error dispersion number so that communication channels may be selected to achieve optimum signal fidelity and continuity of communication.
摘要翻译： 公开了一种用于以高分辨率确定通信信道上的通信的保真度的方法和装置。 在多个集群RF通信站点之间自由漫游的便携式/移动无线电通过加权平均误差色散程序，可以计算使用全面的高位误差分辨率通过当前和备用信道接收的通信的保真度。 加权平均误差色散分析针对每个消息帧中的漫游无线电接收的每组冗余消息（并且在某些情况下，产生子前同步码）生成加权平均误差色散数，其加权平均误差色散数目反映恶化的信号保真度。 关于切换到备用通信信道的决定由漫游无线电基于递增改变的加权误差色散号进行，使得可以选择通信信道以实现最佳信号保真度和通信连续性。
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公开(公告)号：US5517680A
公开(公告)日：1996-05-14
申请号：US824123
申请日：1992-01-22
摘要： Arrangements are disclosed for maintaining time synchronization of simulcast radio frequency communications system transmissions. A circuit continually instructs a modem to use the common system clocking signal, and modems are retrained whenever a channel is taken out of service because of a test call failure.
摘要翻译： 公开了用于维持联播射频通信系统传输的时间同步的安排。 电路连续地指示调制解调器使用公共系统时钟信号，并且每当通道由于测试呼叫失败而被取消服务时，调制解调器被重新训练。
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公开(公告)号：US4388703A
公开(公告)日：1983-06-14
申请号：US181423
申请日：1980-08-26
IPC分类号： G11C17/06 , G11C17/16 , H01L23/525 , H01L27/02 , H03K19/091 , G11C11/40
CPC分类号： H01L23/5256 , G11C17/16 , H01L27/0244 , H03K19/091 , H01L2924/0002 , H01L2924/3011
摘要： A memory device is provided for an integrated injection logic (I.sup.2 L) device in solid state form by a resistor connected at one end to the logic device, and a diode having its cathode connected to the other end of the resistor at a programming junction, and its anode connected to a common point. If the diode conductors are melted or deformed by reverse diode current from the programming junction to the common point, a low impedance path is formed, and the logic portion is provided with a first logic input. If the diode conductors are left unmelted or intact, the logic portion is provided with a second logic input.
摘要翻译： 通过在一端连接到逻辑器件的电阻器以及在阴极连接到编程接点处的电阻器另一端的二极管，以固态形式提供集成注入逻辑（I2L）器件的存储器件，以及 其阳极连接到公共点。 如果二极管导体由编程结到公共点的反向二极管电流熔化或变形，则形成低阻抗路径，逻辑部分提供第一逻辑输入。 如果二极管导体未熔化或完整，则逻辑部分设置有第二逻辑输入。
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