標題: Titlebook: Introduction to Communication Science and Systems; John R. Pierce,Edward C. Posner Book 1980 Springer Science+Business Media New York 1980 [打印本頁] 作者: 磨損 時間: 2025-3-21 19:29
書目名稱Introduction to Communication Science and Systems影響因子(影響力)
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書目名稱Introduction to Communication Science and Systems讀者反饋學科排名
作者: 史前 時間: 2025-3-21 22:39
John R. Pierce,Edward C. Posnerfic subject matter and recipient. This applies to a much greater extent to the mature and proficient letter writer, who should not be obsessed with a servile devotion to authoritative prescriptions, but should be free to develop a personal, distinctive voice.作者: cuticle 時間: 2025-3-22 00:39 作者: 遭遇 時間: 2025-3-22 07:05
John R. Pierce,Edward C. Posnerhe long road had turned a wanderer southward. I rejoiced to see that road was no longer mined and booby-trapped, but broad, smooth, and welcoming” (332). In fact, Spencer chooses to close her memoir with a description of this homecoming rather than to discuss the decade of work that follows it. In t作者: theta-waves 時間: 2025-3-22 12:03
John R. Pierce,Edward C. PosnerFirst Dark’s” characters are instantly recognizable even to the most novice student of southern literature: they comprise a sort of rogue’s gallery of gothic figures—the aging and ever-stoic belle; the dutiful, if tentative, daughter; the prescient but muted outsider; and the eerie but strangely ear作者: CURB 時間: 2025-3-22 13:30
John R. Pierce,Edward C. Posner a series of biographies of individual queens, .Elizabeth of York and Her Six Daughters-in-Law. is a careful, illuminating examination of the nature of Tudor queenship.?.978-3-319-85902-6978-3-319-56381-7Series ISSN 2730-938X Series E-ISSN 2730-9398 作者: 驚奇 時間: 2025-3-22 17:21 作者: 草本植物 時間: 2025-3-22 21:51
John R. Pierce,Edward C. Posnerses the work of Howard Barker,? Peter Barnes, Edward Bond, Howard Brenton, David Edgar, Elaine Feinstein and the Women’s Theatre Group, David Greig, Sarah Kane, Dennis Kelly, Bernard Kopps, Charles Marowitz, Julia Pascal and Arnold Wesker..978-1-137-44453-0Series ISSN 2947-4043 Series E-ISSN 2947-4051 作者: BALE 時間: 2025-3-23 04:57
John R. Pierce,Edward C. Posnerses the work of Howard Barker,? Peter Barnes, Edward Bond, Howard Brenton, David Edgar, Elaine Feinstein and the Women’s Theatre Group, David Greig, Sarah Kane, Dennis Kelly, Bernard Kopps, Charles Marowitz, Julia Pascal and Arnold Wesker..978-1-137-44453-0Series ISSN 2947-4043 Series E-ISSN 2947-4051 作者: 不能妥協(xié) 時間: 2025-3-23 09:09
John R. Pierce,Edward C. Posneray have exaggerated England’s importance, especially to Philip, who had more urgent concerns in the Mediterranean. The most immediate danger to England emanated from France, which retained its hold on Scotland and had a direct interest in Elizabeth’s crown after Mary Queen of Scots — Elizabeth’s cou作者: OVERT 時間: 2025-3-23 12:12
John R. Pierce,Edward C. Posnert a herald to the French court to initiate conflict by proclaiming their ‘defiance’ of France, Elizabeth and Philip slid into war without observing the medieval diplomatic niceties. In part, this was because neither side really wanted the war, which made them refrain from public commitments which wo作者: ELUC 時間: 2025-3-23 15:00 作者: 完成才能戰(zhàn)勝 時間: 2025-3-23 21:07 作者: sigmoid-colon 時間: 2025-3-24 01:21 作者: 散開 時間: 2025-3-24 05:00
heory and quantum limits, and source encoding. We have not included communications traffic, switching, and multiplexing, nor protocols for digital and computer communications. For these, Reference 6 is excellent. In general, our book does not discuss the circuits used for communication or the physics of radio978-1-4899-1889-5978-1-4899-1887-1作者: 疏遠天際 時間: 2025-3-24 08:49
https://doi.org/10.1007/978-1-4899-1887-1Modulation; Signal; Switching; communication; communication system; communication systems; computer; comput作者: MEN 時間: 2025-3-24 10:57
Antennas and Transmission,Communication is usually limited by the amount of power that we can transfer from the transmitter to the receiver, because this, in part, determines the ratio of received signal power to noise power.作者: DRILL 時間: 2025-3-24 15:49
,The Link between Continuous and Pulsed Signals—Sampling and Digitization,We usually think of two distinct sorts of transmission: the transmission of continuous signals such as ssb, am, or fm signals, and the transmission of discrete, successive pulses.作者: 存在主義 時間: 2025-3-24 22:51 作者: Seizure 時間: 2025-3-25 03:05
978-1-4899-1889-5Springer Science+Business Media New York 1980作者: coddle 時間: 2025-3-25 06:03 作者: 浪費物質 時間: 2025-3-25 10:26
mill tasks of ruling a kingdom and diplomacy were composed and written by court ministers and officials. By comparison with the Queen’s other holograph correspondences, such as her letters to James VI and Henry IV, the collection of letters written to Francis, Duke of Anjou (1555–84), or, as he was 作者: STALL 時間: 2025-3-25 14:18
John R. Pierce,Edward C. Posnerity and functionality In criticizing the overzealous rule-givers of his time for their slavish adherence to the Ciceronian model, he warns his contemporaries of the dangers of confining the structure and the language of a letter to suffocating prescriptions.. He opts instead for a greater freedom in作者: 強制性 時間: 2025-3-25 15:57
John R. Pierce,Edward C. Posnerity and functionality In criticizing the overzealous rule-givers of his time for their slavish adherence to the Ciceronian model, he warns his contemporaries of the dangers of confining the structure and the language of a letter to suffocating prescriptions.. He opts instead for a greater freedom in作者: cravat 時間: 2025-3-25 22:51
John R. Pierce,Edward C. Posners triggered in large part by her health; as Spencer approached her mid-60s, Montreal’s long winters were taking a measurable toll in the form of recurring bouts of pneumonia that left her physically weakened. As a result, when Louis Rubin, the southern scholar—and friend and admirer of Spencer’s—arr作者: GLOSS 時間: 2025-3-26 02:31 作者: filicide 時間: 2025-3-26 06:42
John R. Pierce,Edward C. Posnerr queens on the royal court and the realm‘s stability.Appeal.This study of early modern queenship compares the reign of Henry VII’s queen, Elizabeth of York, and those of her daughters-in-law, the six queens of Henry VIII. It defines the traditional expectations for effective Tudor queens—particular作者: SOB 時間: 2025-3-26 09:03
John R. Pierce,Edward C. Posnerr queens on the royal court and the realm‘s stability.Appeal.This study of early modern queenship compares the reign of Henry VII’s queen, Elizabeth of York, and those of her daughters-in-law, the six queens of Henry VIII. It defines the traditional expectations for effective Tudor queens—particular作者: 摘要記錄 時間: 2025-3-26 13:44
John R. Pierce,Edward C. PosnerExplores a range of derivative works, from Tom Stoppard‘s RoThis book examines British playwrights‘ responses to the work of?Shakespeare and his contemporaries since 1945, from Tom Stoppard‘s?.Rosencrantz and Guildenstern are Dead.?to Sarah Kane’s .Blasted .and Jez Butterworth’s .Jerusalem..?Using t作者: 心神不寧 時間: 2025-3-26 17:56 作者: 使苦惱 時間: 2025-3-26 23:05
John R. Pierce,Edward C. Posnerf war and anxious about the prospects of further conflict. Although fighting had been suspended and peace talks had begun, England was still technically at war with France. Its relationship with Philip II of Spain — the realm’s king-consort until Mary’s death and sovereign of a vast agglomeration of作者: 漂亮 時間: 2025-3-27 02:57 作者: 1分開 時間: 2025-3-27 06:58
John R. Pierce,Edward C. Posnerdie posttraumatische Gelenksteife; diese beinhaltet den Verlust eines Teils des natürlichen Bewegungsumfangs. In den meisten F?llen ist eine Bewegungsrichtung mehr betroffen, so da? man zur Unterscheidung von einer residualen Flexionskontraktur bzw. einer Extensionskontraktur sprechen kann. Auch Kom作者: innovation 時間: 2025-3-27 13:19
John R. Pierce,Edward C. Posnerdie posttraumatische Gelenksteife; diese beinhaltet den Verlust eines Teils des natürlichen Bewegungsumfangs. In den meisten F?llen ist eine Bewegungsrichtung mehr betroffen, so da? man zur Unterscheidung von einer residualen Flexionskontraktur bzw. einer Extensionskontraktur sprechen kann. Auch Kom作者: FRONT 時間: 2025-3-27 13:39
Sources of Noise,ansmitted power is picked up by the receiving antenna. The receiving antenna also picks up as . random electromagnetic radiation from any body that lies within its beamwidth, and some noise from interstellar space, which is filled with electromagnetic radiation. Thus the electromagnetic wave which t作者: flourish 時間: 2025-3-27 18:41
Signals and Frequencies,complicated signals. Before we proceed to consider the transmission of such signals, we need to know a little about the representation of complicated waveforms, and even of two-dimensional patterns, by sums of sine waves. Why sines and cosines? Because these functions are the stable or bounded solut作者: 防銹 時間: 2025-3-28 00:56
Modulation and Noise,frequency carrier signal of constant amplitude. We have specified the noisiness of a receiver in terms of a noise temperature. We have discussed the noise performance of an ideal receiver which is, of course, better than that of any actual receiver. Given transmitter power, antenna sizes including a作者: 影響帶來 時間: 2025-3-28 05:48 作者: Isthmus 時間: 2025-3-28 09:05
Pulse Shape, Filtering, and Arraying,igital transmission. We will find that variational techniques permit us to match pulses optimally to channel transfer functions. This is useful when we can do something about the pulses but cannot modify the channel, which may be provided by a common carrier. We shall also study optimal signal combi作者: 導師 時間: 2025-3-28 10:25
Random Processes and Gaussian Signals and Noise,nted with entire . These are random, but they are not described by a single distribution of values. We need a way of describing their randomness that will provide answers to communication questions that depend on the entire waveform. For example, we may wish to know the actual energy in a noise wave作者: 冷峻 時間: 2025-3-28 15:48
Some Aspects of Data Transmission, be transmitted with any desired degree of fidelity as a discrete number by means of a pulse or a group of pulses having discrete amplitudes. We have seen that the transmission of sequences of numbers, or data, has an increasing application in telephony and television as well as in the transmission 作者: Systemic 時間: 2025-3-28 20:47
Limits to Error Performance: Information Theory,mplitudes per second. We have seen in Section 5.6 that, allowing a certain error in the representation and recovery of the sample amplitudes, these amplitudes can be quantized and represented by a number of discrete amplitudes or levels. Further, if we wish we can designate these amplitudes or level作者: 拍下盜公款 時間: 2025-3-29 02:30
,Applying Information Theory—Coding and Randomization,gonal codes of ever-increasing bandwidth. In this chapter we shall study another coding scheme, convolutional coding. Convolutional codes give good performance at a moderate bandwidth expansion. They are now nearly universally used as the general-purpose coding technique for communication from dista作者: 宏偉 時間: 2025-3-29 07:06 作者: 刺激 時間: 2025-3-29 10:58 作者: nutrients 時間: 2025-3-29 13:17
Random Processes and Gaussian Signals and Noise,will provide answers to communication questions that depend on the entire waveform. For example, we may wish to know the actual energy in a noise waveform over some period of time. This is a random variable, but it depends on more than just a single value of the waveform.作者: BLINK 時間: 2025-3-29 16:24 作者: ligature 時間: 2025-3-29 20:42
Sources, Source Encoding, and Source Characterization,accurately gaussian. When we take more and more samples, the sum of the squares of the samples is more and more nearly the number of samples . times the variance σ.. More and more nearly, the signal represented by the . samples will lie within, and, indeed, almost on the surface of an .-dimensional sphere of radius ..σ.作者: 吝嗇性 時間: 2025-3-30 01:29 作者: 不規(guī)則 時間: 2025-3-30 07:03
Sources of Noise,it unavoidable, in the process of amplification, so that the amplified signal, prior to detection or demodulation, has some carrier-to-noise power ratio, ../.., or noise-to-carrier power ratio, ../... We will study these phenomena for microwave and optical communication systems in this chapter.作者: 歡呼 時間: 2025-3-30 10:18
,Applying Information Theory—Coding and Randomization,ill see what the loss in capacity is when we make a gaussian channel into a digital channel. We also will study the capacity of systems that use photon counters, and compare the results with those of Chapters 2 and 11 for ideal amplification.作者: 聚集 時間: 2025-3-30 16:18 作者: 詳細目錄 時間: 2025-3-30 17:58
Modulation and Noise,perture efficiencies and separation, wavelength, the temperature of space, and receiver bandwidth, we can calculate the carrier-to-noise ratio for an electromagnetic transmission system in free space.
